changeset 955:e3d011d59a33 jdk7-b132

Merge
author lana
date Thu, 24 Feb 2011 18:05:10 -0800
parents 80bbd1da4a72 de5524670f80
children e77e98f936e8
files
diffstat 40 files changed, 1323 insertions(+), 282 deletions(-) [+]
line wrap: on
line diff
--- a/make/build.xml	Thu Feb 24 15:16:13 2011 -0800
+++ b/make/build.xml	Thu Feb 24 18:05:10 2011 -0800
@@ -868,8 +868,10 @@
                executable="${boot.java.home}/bin/javac"
                srcdir="${make.tools.dir}/GenStubs"
                destdir="${build.toolclasses.dir}/"
-               classpath="${build.bootstrap.dir}/classes:${ant.core.lib}"
-               includeantruntime="false"/>
+               classpath="${ant.core.lib}"
+               includeantruntime="false">
+            <compilerarg value="-Xbootclasspath/p:${build.bootstrap.dir}/classes"/>
+        </javac>
         <taskdef name="genstubs"
                  classname="GenStubs$$Ant"
                  classpath="${build.toolclasses.dir}/"/>
--- a/src/share/bin/launcher.sh-template	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/bin/launcher.sh-template	Thu Feb 24 18:05:10 2011 -0800
@@ -31,8 +31,7 @@
       mydir=`cygpath -m $mydir`
       ;;
 esac
-
-mylib="`dirname $mydir`"/lib
+mylib="$mydir/../lib"
 
 # By default, put the jar file and its dependencies on the bootclasspath.
 # This is always required on a Mac, because the system langtools classes
@@ -73,4 +72,4 @@
 unset DUALCASE
 
 IFS=$nl
-"#TARGET_JAVA#" "${bcp:+-Xbootclasspath/p:"$bcp"}" ${ea} ${javaOpts} -jar "${mydir}"/../lib/#PROGRAM#.jar ${toolOpts}
+"#TARGET_JAVA#" "${bcp:+-Xbootclasspath/p:"$bcp"}" ${ea} ${javaOpts} -jar "${mylib}/#PROGRAM#.jar" ${toolOpts}
--- a/src/share/classes/com/sun/tools/javac/code/Scope.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/code/Scope.java	Thu Feb 24 18:05:10 2011 -0800
@@ -74,7 +74,7 @@
 
     /** A list of scopes to be notified if items are to be removed from this scope.
      */
-    List<Scope> listeners = List.nil();
+    List<ScopeListener> listeners = List.nil();
 
     /** Use as a "not-found" result for lookup.
      * Also used to mark deleted entries in the table.
@@ -219,12 +219,27 @@
         Entry e = makeEntry(sym, old, elems, s, origin);
         table[hash] = e;
         elems = e;
+
+        //notify listeners
+        for (List<ScopeListener> l = listeners; l.nonEmpty(); l = l.tail) {
+            l.head.symbolAdded(sym, this);
+        }
     }
 
     Entry makeEntry(Symbol sym, Entry shadowed, Entry sibling, Scope scope, Scope origin) {
         return new Entry(sym, shadowed, sibling, scope);
     }
 
+
+    public interface ScopeListener {
+        public void symbolAdded(Symbol sym, Scope s);
+        public void symbolRemoved(Symbol sym, Scope s);
+    }
+
+    public void addScopeListener(ScopeListener sl) {
+        listeners = listeners.prepend(sl);
+    }
+
     /** Remove symbol from this scope.  Used when an inner class
      *  attribute tells us that the class isn't a package member.
      */
@@ -258,9 +273,9 @@
             te = te.sibling;
         }
 
-        // remove items from scopes that have done importAll
-        for (List<Scope> l = listeners; l.nonEmpty(); l = l.tail) {
-            l.head.remove(sym);
+        //notify listeners
+        for (List<ScopeListener> l = listeners; l.nonEmpty(); l = l.tail) {
+            l.head.symbolRemoved(sym, this);
         }
     }
 
@@ -393,7 +408,32 @@
                 };
             }
         };
+    }
 
+    public Iterable<Symbol> getElementsByName(Name name) {
+        return getElementsByName(name, noFilter);
+    }
+
+    public Iterable<Symbol> getElementsByName(final Name name, final Filter<Symbol> sf) {
+        return new Iterable<Symbol>() {
+            public Iterator<Symbol> iterator() {
+                 return new Iterator<Symbol>() {
+                    Scope.Entry currentEntry = lookup(name, sf);
+
+                    public boolean hasNext() {
+                        return currentEntry.scope != null;
+                    }
+                    public Symbol next() {
+                        Scope.Entry prevEntry = currentEntry;
+                        currentEntry = currentEntry.next(sf);
+                        return prevEntry.sym;
+                    }
+                    public void remove() {
+                        throw new UnsupportedOperationException();
+                    }
+                };
+            }
+        };
     }
 
     public String toString() {
@@ -488,7 +528,7 @@
         }
     }
 
-    public static class StarImportScope extends ImportScope {
+    public static class StarImportScope extends ImportScope implements ScopeListener {
 
         public StarImportScope(Symbol owner) {
             super(owner);
@@ -500,8 +540,13 @@
                     enter(e.sym, fromScope);
             }
             // Register to be notified when imported items are removed
-            fromScope.listeners = fromScope.listeners.prepend(this);
+            fromScope.addScopeListener(this);
         }
+
+        public void symbolRemoved(Symbol sym, Scope s) {
+            remove(sym);
+        }
+        public void symbolAdded(Symbol sym, Scope s) { }
     }
 
     /** An empty scope, into which you can't place anything.  Used for
@@ -538,6 +583,151 @@
         }
     }
 
+    /** A class scope adds capabilities to keep track of changes in related
+     *  class scopes - this allows client to realize whether a class scope
+     *  has changed, either directly (because a new member has been added/removed
+     *  to this scope) or indirectly (i.e. because a new member has been
+     *  added/removed into a supertype scope)
+     */
+    public static class CompoundScope extends Scope implements ScopeListener {
+
+        public static final Entry[] emptyTable = new Entry[0];
+
+        private List<Scope> subScopes = List.nil();
+        private int mark = 0;
+
+        public CompoundScope(Symbol owner) {
+            super(null, owner, emptyTable);
+        }
+
+        public void addSubScope(Scope that) {
+           if (that != null) {
+                subScopes = subScopes.prepend(that);
+                that.addScopeListener(this);
+                mark++;
+                for (ScopeListener sl : listeners) {
+                    sl.symbolAdded(null, this); //propagate upwards in case of nested CompoundScopes
+                }
+           }
+         }
+
+        public void symbolAdded(Symbol sym, Scope s) {
+            mark++;
+            for (ScopeListener sl : listeners) {
+                sl.symbolAdded(sym, s);
+            }
+        }
+
+        public void symbolRemoved(Symbol sym, Scope s) {
+            mark++;
+            for (ScopeListener sl : listeners) {
+                sl.symbolRemoved(sym, s);
+            }
+        }
+
+        public int getMark() {
+            return mark;
+        }
+
+        @Override
+        public String toString() {
+            StringBuilder buf = new StringBuilder();
+            buf.append("CompoundScope{");
+            String sep = "";
+            for (Scope s : subScopes) {
+                buf.append(sep);
+                buf.append(s);
+                sep = ",";
+            }
+            buf.append("}");
+            return buf.toString();
+        }
+
+        @Override
+        public Iterable<Symbol> getElements(final Filter<Symbol> sf) {
+            return new Iterable<Symbol>() {
+                public Iterator<Symbol> iterator() {
+                    return new CompoundScopeIterator(subScopes) {
+                        Iterator<Symbol> nextIterator(Scope s) {
+                            return s.getElements().iterator();
+                        }
+                    };
+                }
+            };
+        }
+
+        @Override
+        public Iterable<Symbol> getElementsByName(final Name name, final Filter<Symbol> sf) {
+            return new Iterable<Symbol>() {
+                public Iterator<Symbol> iterator() {
+                    return new CompoundScopeIterator(subScopes) {
+                        Iterator<Symbol> nextIterator(Scope s) {
+                            return s.getElementsByName(name, sf).iterator();
+                        }
+                    };
+                }
+            };
+        }
+
+        abstract class CompoundScopeIterator implements Iterator<Symbol> {
+
+            private Iterator<Symbol> currentIterator;
+            private List<Scope> scopesToScan;
+
+            public CompoundScopeIterator(List<Scope> scopesToScan) {
+                this.scopesToScan = scopesToScan;
+                update();
+            }
+
+            abstract Iterator<Symbol> nextIterator(Scope s);
+
+            public boolean hasNext() {
+                return currentIterator != null;
+            }
+
+            public Symbol next() {
+                Symbol sym = currentIterator.next();
+                if (!currentIterator.hasNext()) {
+                    update();
+                }
+                return sym;
+            }
+
+            public void remove() {
+                throw new UnsupportedOperationException();
+            }
+
+            private void update() {
+                while (scopesToScan.nonEmpty()) {
+                    currentIterator = nextIterator(scopesToScan.head);
+                    scopesToScan = scopesToScan.tail;
+                    if (currentIterator.hasNext()) return;
+                }
+                currentIterator = null;
+            }
+        }
+
+        @Override
+        public Entry lookup(Name name, Filter<Symbol> sf) {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        public Scope dup(Symbol newOwner) {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        public void enter(Symbol sym, Scope s, Scope origin) {
+            throw new UnsupportedOperationException();
+        }
+
+        @Override
+        public void remove(Symbol sym) {
+            throw new UnsupportedOperationException();
+        }
+    }
+
     /** An error scope, for which the owner should be an error symbol. */
     public static class ErrorScope extends Scope {
         ErrorScope(Scope next, Symbol errSymbol, Entry[] table) {
--- a/src/share/classes/com/sun/tools/javac/code/Symbol.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/code/Symbol.java	Thu Feb 24 18:05:10 2011 -0800
@@ -731,7 +731,7 @@
 
         /** members closure cache (set by Types.membersClosure)
          */
-        Scope membersClosure;
+        Scope.CompoundScope membersClosure;
 
         public ClassSymbol(long flags, Name name, Type type, Symbol owner) {
             super(flags, name, type, owner);
--- a/src/share/classes/com/sun/tools/javac/code/Type.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/code/Type.java	Thu Feb 24 18:05:10 2011 -0800
@@ -270,10 +270,6 @@
     public Type              getUpperBound()     { return null; }
     public Type              getLowerBound()     { return null; }
 
-    public void setThrown(List<Type> ts) {
-        throw new AssertionError();
-    }
-
     /** Navigation methods, these will work for classes, type variables,
      *  foralls, but will return null for arrays and methods.
      */
@@ -388,14 +384,6 @@
      */
     public void complete() {}
 
-    public Object clone() {
-        try {
-            return super.clone();
-        } catch (CloneNotSupportedException e) {
-            throw new AssertionError(e);
-        }
-    }
-
     public TypeSymbol asElement() {
         return tsym;
     }
@@ -817,8 +805,7 @@
         }
     }
 
-    public static class MethodType extends Type
-                    implements Cloneable, ExecutableType {
+    public static class MethodType extends Type implements ExecutableType {
 
         public List<Type> argtypes;
         public Type restype;
@@ -880,10 +867,6 @@
         public Type              getReturnType()     { return restype; }
         public List<Type>        getThrownTypes()    { return thrown; }
 
-        public void setThrown(List<Type> t) {
-            thrown = t;
-        }
-
         public boolean isErroneous() {
             return
                 isErroneous(argtypes) ||
@@ -1068,12 +1051,10 @@
         public List<Type> getThrownTypes() { return qtype.getThrownTypes(); }
         public List<Type> allparams() { return qtype.allparams(); }
         public Type getUpperBound() { return qtype.getUpperBound(); }
-        public Object clone() { DelegatedType t = (DelegatedType)super.clone(); t.qtype = (Type)qtype.clone(); return t; }
         public boolean isErroneous() { return qtype.isErroneous(); }
     }
 
-    public static class ForAll extends DelegatedType
-            implements Cloneable, ExecutableType {
+    public static class ForAll extends DelegatedType implements ExecutableType {
         public List<Type> tvars;
 
         public ForAll(List<Type> tvars, Type qtype) {
@@ -1092,16 +1073,6 @@
 
         public List<Type> getTypeArguments()   { return tvars; }
 
-        public void setThrown(List<Type> t) {
-            qtype.setThrown(t);
-        }
-
-        public Object clone() {
-            ForAll result = (ForAll)super.clone();
-            result.qtype = (Type)result.qtype.clone();
-            return result;
-        }
-
         public boolean isErroneous()  {
             return qtype.isErroneous();
         }
--- a/src/share/classes/com/sun/tools/javac/code/Types.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/code/Types.java	Thu Feb 24 18:05:10 2011 -0800
@@ -2023,18 +2023,22 @@
             final MethodSymbol cachedImpl;
             final Filter<Symbol> implFilter;
             final boolean checkResult;
+            final int prevMark;
 
             public Entry(MethodSymbol cachedImpl,
                     Filter<Symbol> scopeFilter,
-                    boolean checkResult) {
+                    boolean checkResult,
+                    int prevMark) {
                 this.cachedImpl = cachedImpl;
                 this.implFilter = scopeFilter;
                 this.checkResult = checkResult;
+                this.prevMark = prevMark;
             }
 
-            boolean matches(Filter<Symbol> scopeFilter, boolean checkResult) {
+            boolean matches(Filter<Symbol> scopeFilter, boolean checkResult, int mark) {
                 return this.implFilter == scopeFilter &&
-                        this.checkResult == checkResult;
+                        this.checkResult == checkResult &&
+                        this.prevMark == mark;
             }
         }
 
@@ -2046,10 +2050,11 @@
                 _map.put(ms, new SoftReference<Map<TypeSymbol, Entry>>(cache));
             }
             Entry e = cache.get(origin);
+            CompoundScope members = membersClosure(origin.type);
             if (e == null ||
-                    !e.matches(implFilter, checkResult)) {
-                MethodSymbol impl = implementationInternal(ms, origin, Types.this, checkResult, implFilter);
-                cache.put(origin, new Entry(impl, implFilter, checkResult));
+                    !e.matches(implFilter, checkResult, members.getMark())) {
+                MethodSymbol impl = implementationInternal(ms, origin, checkResult, implFilter);
+                cache.put(origin, new Entry(impl, implFilter, checkResult, members.getMark()));
                 return impl;
             }
             else {
@@ -2057,8 +2062,8 @@
             }
         }
 
-        private MethodSymbol implementationInternal(MethodSymbol ms, TypeSymbol origin, Types types, boolean checkResult, Filter<Symbol> implFilter) {
-            for (Type t = origin.type; t.tag == CLASS || t.tag == TYPEVAR; t = types.supertype(t)) {
+        private MethodSymbol implementationInternal(MethodSymbol ms, TypeSymbol origin, boolean checkResult, Filter<Symbol> implFilter) {
+            for (Type t = origin.type; t.tag == CLASS || t.tag == TYPEVAR; t = supertype(t)) {
                 while (t.tag == TYPEVAR)
                     t = t.getUpperBound();
                 TypeSymbol c = t.tsym;
@@ -2066,7 +2071,7 @@
                      e.scope != null;
                      e = e.next(implFilter)) {
                     if (e.sym != null &&
-                             e.sym.overrides(ms, origin, types, checkResult))
+                             e.sym.overrides(ms, origin, Types.this, checkResult))
                         return (MethodSymbol)e.sym;
                 }
             }
@@ -2082,46 +2087,35 @@
     // </editor-fold>
 
     // <editor-fold defaultstate="collapsed" desc="compute transitive closure of all members in given site">
-    public Scope membersClosure(Type site) {
+    public CompoundScope membersClosure(Type site) {
         return membersClosure.visit(site);
     }
 
-    UnaryVisitor<Scope> membersClosure = new UnaryVisitor<Scope>() {
-
-        public Scope visitType(Type t, Void s) {
+    UnaryVisitor<CompoundScope> membersClosure = new UnaryVisitor<CompoundScope>() {
+
+        public CompoundScope visitType(Type t, Void s) {
             return null;
         }
 
         @Override
-        public Scope visitClassType(ClassType t, Void s) {
+        public CompoundScope visitClassType(ClassType t, Void s) {
             ClassSymbol csym = (ClassSymbol)t.tsym;
             if (csym.membersClosure == null) {
-                Scope membersClosure = new Scope(csym);
+                CompoundScope membersClosure = new CompoundScope(csym);
                 for (Type i : interfaces(t)) {
-                    enterAll(visit(i), membersClosure);
+                    membersClosure.addSubScope(visit(i));
                 }
-                enterAll(visit(supertype(t)), membersClosure);
-                enterAll(csym.members(), membersClosure);
+                membersClosure.addSubScope(visit(supertype(t)));
+                membersClosure.addSubScope(csym.members());
                 csym.membersClosure = membersClosure;
             }
             return csym.membersClosure;
         }
 
         @Override
-        public Scope visitTypeVar(TypeVar t, Void s) {
+        public CompoundScope visitTypeVar(TypeVar t, Void s) {
             return visit(t.getUpperBound());
         }
-
-        public void enterAll(Scope s, Scope to) {
-            if (s == null) return;
-            List<Symbol> syms = List.nil();
-            for (Scope.Entry e = s.elems ; e != null ; e = e.sibling) {
-                syms = syms.prepend(e.sym);
-            }
-            for (Symbol sym : syms) {
-                to.enter(sym);
-            }
-        }
     };
     // </editor-fold>
 
@@ -2413,6 +2407,38 @@
         };
     // </editor-fold>
 
+    public Type createMethodTypeWithParameters(Type original, List<Type> newParams) {
+        return original.accept(methodWithParameters, newParams);
+    }
+    // where
+        private final MapVisitor<List<Type>> methodWithParameters = new MapVisitor<List<Type>>() {
+            public Type visitType(Type t, List<Type> newParams) {
+                throw new IllegalArgumentException("Not a method type: " + t);
+            }
+            public Type visitMethodType(MethodType t, List<Type> newParams) {
+                return new MethodType(newParams, t.restype, t.thrown, t.tsym);
+            }
+            public Type visitForAll(ForAll t, List<Type> newParams) {
+                return new ForAll(t.tvars, t.qtype.accept(this, newParams));
+            }
+        };
+
+    public Type createMethodTypeWithThrown(Type original, List<Type> newThrown) {
+        return original.accept(methodWithThrown, newThrown);
+    }
+    // where
+        private final MapVisitor<List<Type>> methodWithThrown = new MapVisitor<List<Type>>() {
+            public Type visitType(Type t, List<Type> newThrown) {
+                throw new IllegalArgumentException("Not a method type: " + t);
+            }
+            public Type visitMethodType(MethodType t, List<Type> newThrown) {
+                return new MethodType(t.argtypes, t.restype, newThrown, t.tsym);
+            }
+            public Type visitForAll(ForAll t, List<Type> newThrown) {
+                return new ForAll(t.tvars, t.qtype.accept(this, newThrown));
+            }
+        };
+
     // <editor-fold defaultstate="collapsed" desc="createErrorType">
     public Type createErrorType(Type originalType) {
         return new ErrorType(originalType, syms.errSymbol);
--- a/src/share/classes/com/sun/tools/javac/comp/Attr.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/comp/Attr.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1584,6 +1584,11 @@
         if (!TreeInfo.isDiamond(tree)) {
             clazztype = chk.checkClassType(
                 tree.clazz.pos(), clazztype, true);
+        } else if (!clazztype.isErroneous() &&
+                !clazztype.tsym.type.isParameterized()) {
+            log.error(tree.clazz.pos(),
+                    "cant.apply.diamond.1",
+                    clazztype, diags.fragment("diamond.non.generic", clazztype));
         }
         chk.validate(clazz, localEnv);
         if (tree.encl != null) {
@@ -1609,7 +1614,7 @@
         List<Type> argtypes = attribArgs(tree.args, localEnv);
         List<Type> typeargtypes = attribTypes(tree.typeargs, localEnv);
 
-        if (TreeInfo.isDiamond(tree)) {
+        if (TreeInfo.isDiamond(tree) && clazztype.tsym.type.isParameterized()) {
             clazztype = attribDiamond(localEnv, tree, clazztype, mapping, argtypes, typeargtypes);
             clazz.type = clazztype;
         } else if (allowDiamondFinder &&
--- a/src/share/classes/com/sun/tools/javac/comp/Check.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/comp/Check.java	Thu Feb 24 18:05:10 2011 -0800
@@ -2106,32 +2106,32 @@
     void checkOverrideClashes(DiagnosticPosition pos, Type site, MethodSymbol sym) {
          ClashFilter cf = new ClashFilter(site);
          //for each method m1 that is a member of 'site'...
-         for (Scope.Entry e1 = types.membersClosure(site).lookup(sym.name, cf) ;
-                e1.scope != null ; e1 = e1.next(cf)) {
+         for (Symbol s1 : types.membersClosure(site).getElementsByName(sym.name, cf)) {
             //...find another method m2 that is overridden (directly or indirectly)
             //by method 'sym' in 'site'
-            for (Scope.Entry e2 = types.membersClosure(site).lookup(sym.name, cf) ;
-                    e2.scope != null ; e2 = e2.next(cf)) {
-                if (e1.sym == e2.sym || !sym.overrides(e2.sym, site.tsym, types, false)) continue;
+            for (Symbol s2 : types.membersClosure(site).getElementsByName(sym.name, cf)) {
+                if (s1 == s2 || !sym.overrides(s2, site.tsym, types, false)) continue;
                 //if (i) the signature of 'sym' is not a subsignature of m1 (seen as
                 //a member of 'site') and (ii) m1 has the same erasure as m2, issue an error
-                if (!types.isSubSignature(sym.type, types.memberType(site, e1.sym)) &&
-                        types.hasSameArgs(e1.sym.erasure(types), e2.sym.erasure(types))) {
+                if (!types.isSubSignature(sym.type, types.memberType(site, s1)) &&
+                        types.hasSameArgs(s1.erasure(types), s2.erasure(types))) {
                     sym.flags_field |= CLASH;
-                    String key = e2.sym == sym ?
+                    String key = s2 == sym ?
                             "name.clash.same.erasure.no.override" :
                             "name.clash.same.erasure.no.override.1";
                     log.error(pos,
                             key,
                             sym, sym.location(),
-                            e1.sym, e1.sym.location(),
-                            e2.sym, e2.sym.location());
+                            s1, s1.location(),
+                            s2, s2.location());
                     return;
                 }
             }
         }
     }
 
+
+
     /** Check that all static methods accessible from 'site' are
      *  mutually compatible (JLS 8.4.8).
      *
@@ -2142,16 +2142,15 @@
     void checkHideClashes(DiagnosticPosition pos, Type site, MethodSymbol sym) {
         ClashFilter cf = new ClashFilter(site);
         //for each method m1 that is a member of 'site'...
-        for (Scope.Entry e = types.membersClosure(site).lookup(sym.name, cf) ;
-                e.scope != null ; e = e.next(cf)) {
+        for (Symbol s : types.membersClosure(site).getElementsByName(sym.name, cf)) {
             //if (i) the signature of 'sym' is not a subsignature of m1 (seen as
             //a member of 'site') and (ii) 'sym' has the same erasure as m1, issue an error
-            if (!types.isSubSignature(sym.type, types.memberType(site, e.sym)) &&
-                    types.hasSameArgs(e.sym.erasure(types), sym.erasure(types))) {
+            if (!types.isSubSignature(sym.type, types.memberType(site, s)) &&
+                    types.hasSameArgs(s.erasure(types), sym.erasure(types))) {
                 log.error(pos,
                         "name.clash.same.erasure.no.hide",
                         sym, sym.location(),
-                        e.sym, e.sym.location());
+                        s, s.location());
                 return;
              }
          }
--- a/src/share/classes/com/sun/tools/javac/comp/Flow.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/comp/Flow.java	Thu Feb 24 18:05:10 2011 -0800
@@ -314,13 +314,22 @@
         for (PendingExit exit = pendingExits.next();
              exit != null;
              exit = pendingExits.next()) {
-            boolean synthetic = classDef != null &&
-                classDef.pos == exit.tree.pos;
-            log.error(exit.tree.pos(),
-                      synthetic
-                      ? "unreported.exception.default.constructor"
-                      : "unreported.exception.need.to.catch.or.throw",
-                      exit.thrown);
+            if (classDef != null &&
+                classDef.pos == exit.tree.pos) {
+                log.error(exit.tree.pos(),
+                        "unreported.exception.default.constructor",
+                        exit.thrown);
+            } else if (exit.tree.getTag() == JCTree.VARDEF &&
+                    ((JCVariableDecl)exit.tree).sym.isResourceVariable()) {
+                log.error(exit.tree.pos(),
+                        "unreported.exception.implicit.close",
+                        exit.thrown,
+                        ((JCVariableDecl)exit.tree).sym.name);
+            } else {
+                log.error(exit.tree.pos(),
+                        "unreported.exception.need.to.catch.or.throw",
+                        exit.thrown);
+            }
         }
     }
 
@@ -664,12 +673,15 @@
             // in an anonymous class, add the set of thrown exceptions to
             // the throws clause of the synthetic constructor and propagate
             // outwards.
+            // Changing the throws clause on the fly is okay here because
+            // the anonymous constructor can't be invoked anywhere else,
+            // and its type hasn't been cached.
             if (tree.name == names.empty) {
                 for (List<JCTree> l = tree.defs; l.nonEmpty(); l = l.tail) {
                     if (TreeInfo.isInitialConstructor(l.head)) {
                         JCMethodDecl mdef = (JCMethodDecl)l.head;
                         mdef.thrown = make.Types(thrown);
-                        mdef.sym.type.setThrown(thrown);
+                        mdef.sym.type = types.createMethodTypeWithThrown(mdef.sym.type, thrown);
                     }
                 }
                 thrownPrev = chk.union(thrown, thrownPrev);
@@ -1021,7 +1033,7 @@
                             List.<Type>nil());
                     if (closeMethod.kind == MTH) {
                         for (Type t : ((MethodSymbol)closeMethod).getThrownTypes()) {
-                            markThrown(tree.body, t);
+                            markThrown(resource, t);
                         }
                     }
                 }
--- a/src/share/classes/com/sun/tools/javac/comp/Lower.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/comp/Lower.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1425,25 +1425,55 @@
         }
     }
 
-    /** Optionally replace a try statement with an automatic resource
-     *  management (ARM) block.
+    /**
+     * Optionally replace a try statement with the desugaring of a
+     * try-with-resources statement.  The canonical desugaring of
+     *
+     * try ResourceSpecification
+     *   Block
+     *
+     * is
+     *
+     * {
+     *   final VariableModifiers_minus_final R #resource = Expression;
+     *   Throwable #primaryException = null;
+     *
+     *   try ResourceSpecificationtail
+     *     Block
+     *   catch (Throwable #t) {
+     *     #primaryException = t;
+     *     throw #t;
+     *   } finally {
+     *     if (#resource != null) {
+     *       if (#primaryException != null) {
+     *         try {
+     *           #resource.close();
+     *         } catch(Throwable #suppressedException) {
+     *           #primaryException.addSuppressed(#suppressedException);
+     *         }
+     *       } else {
+     *         #resource.close();
+     *       }
+     *     }
+     *   }
+     *
      * @param tree  The try statement to inspect.
-     * @return      An ARM block, or the original try block if there are no
-     *              resources to manage.
+     * @return A a desugared try-with-resources tree, or the original
+     * try block if there are no resources to manage.
      */
-    JCTree makeArmTry(JCTry tree) {
+    JCTree makeTwrTry(JCTry tree) {
         make_at(tree.pos());
         twrVars = twrVars.dup();
-        JCBlock armBlock = makeArmBlock(tree.resources, tree.body, 0);
+        JCBlock twrBlock = makeTwrBlock(tree.resources, tree.body, 0);
         if (tree.catchers.isEmpty() && tree.finalizer == null)
-            result = translate(armBlock);
+            result = translate(twrBlock);
         else
-            result = translate(make.Try(armBlock, tree.catchers, tree.finalizer));
+            result = translate(make.Try(twrBlock, tree.catchers, tree.finalizer));
         twrVars = twrVars.leave();
         return result;
     }
 
-    private JCBlock makeArmBlock(List<JCTree> resources, JCBlock block, int depth) {
+    private JCBlock makeTwrBlock(List<JCTree> resources, JCBlock block, int depth) {
         if (resources.isEmpty())
             return block;
 
@@ -1497,16 +1527,16 @@
 
         int oldPos = make.pos;
         make.at(TreeInfo.endPos(block));
-        JCBlock finallyClause = makeArmFinallyClause(primaryException, expr);
+        JCBlock finallyClause = makeTwrFinallyClause(primaryException, expr);
         make.at(oldPos);
-        JCTry outerTry = make.Try(makeArmBlock(resources.tail, block, depth + 1),
+        JCTry outerTry = make.Try(makeTwrBlock(resources.tail, block, depth + 1),
                                   List.<JCCatch>of(catchClause),
                                   finallyClause);
         stats.add(outerTry);
         return make.Block(0L, stats.toList());
     }
 
-    private JCBlock makeArmFinallyClause(Symbol primaryException, JCExpression resource) {
+    private JCBlock makeTwrFinallyClause(Symbol primaryException, JCExpression resource) {
         // primaryException.addSuppressed(catchException);
         VarSymbol catchException =
             new VarSymbol(0, make.paramName(2),
@@ -1525,22 +1555,30 @@
         List<JCCatch> catchClauses = List.<JCCatch>of(make.Catch(catchExceptionDecl, catchBlock));
         JCTry tryTree = make.Try(tryBlock, catchClauses, null);
 
-        // if (resource != null) resourceClose;
-        JCExpression nullCheck = makeBinary(JCTree.NE,
-                                            make.Ident(primaryException),
-                                            makeNull());
-        JCIf closeIfStatement = make.If(nullCheck,
+        // if (primaryException != null) {try...} else resourceClose;
+        JCIf closeIfStatement = make.If(makeNonNullCheck(make.Ident(primaryException)),
                                         tryTree,
                                         makeResourceCloseInvocation(resource));
-        return make.Block(0L, List.<JCStatement>of(closeIfStatement));
+
+        // if (#resource != null) { if (primaryException ...  }
+        return make.Block(0L,
+                          List.<JCStatement>of(make.If(makeNonNullCheck(resource),
+                                                       closeIfStatement,
+                                                       null)));
     }
 
     private JCStatement makeResourceCloseInvocation(JCExpression resource) {
         // create resource.close() method invocation
-        JCExpression resourceClose = makeCall(resource, names.close, List.<JCExpression>nil());
+        JCExpression resourceClose = makeCall(resource,
+                                              names.close,
+                                              List.<JCExpression>nil());
         return make.Exec(resourceClose);
     }
 
+    private JCExpression makeNonNullCheck(JCExpression expression) {
+        return makeBinary(JCTree.NE, expression, makeNull());
+    }
+
     /** Construct a tree that represents the outer instance
      *  <C.this>. Never pick the current `this'.
      *  @param pos           The source code position to be used for the tree.
@@ -3573,7 +3611,7 @@
         if (tree.resources.isEmpty()) {
             super.visitTry(tree);
         } else {
-            result = makeArmTry(tree);
+            result = makeTwrTry(tree);
         }
     }
 
--- a/src/share/classes/com/sun/tools/javac/comp/Resolve.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/comp/Resolve.java	Thu Feb 24 18:05:10 2011 -0800
@@ -776,10 +776,12 @@
                     // due to error recovery or mixing incompatible class files
                     return ambiguityError(m1, m2);
                 }
+                List<Type> allThrown = chk.intersect(mt1.getThrownTypes(), mt2.getThrownTypes());
+                Type newSig = types.createMethodTypeWithThrown(mostSpecific.type, allThrown);
                 MethodSymbol result = new MethodSymbol(
                         mostSpecific.flags(),
                         mostSpecific.name,
-                        null,
+                        newSig,
                         mostSpecific.owner) {
                     @Override
                     public MethodSymbol implementation(TypeSymbol origin, Types types, boolean checkResult) {
@@ -789,9 +791,6 @@
                             return super.implementation(origin, types, checkResult);
                     }
                 };
-                result.type = (Type)mostSpecific.type.clone();
-                result.type.setThrown(chk.intersect(mt1.getThrownTypes(),
-                                                    mt2.getThrownTypes()));
                 return result;
             }
             if (m1SignatureMoreSpecific) return m1;
@@ -852,13 +851,8 @@
             }
             //append varargs element type as last synthetic formal
             args.append(types.elemtype(varargsTypeTo));
-            MethodSymbol msym = new MethodSymbol(to.flags_field,
-                                                 to.name,
-                                                 (Type)to.type.clone(), //see: 6990136
-                                                 to.owner);
-            MethodType mtype = msym.type.asMethodType();
-            mtype.argtypes = args.toList();
-            return msym;
+            Type mtype = types.createMethodTypeWithParameters(to.type, args.toList());
+            return new MethodSymbol(to.flags_field, to.name, mtype, to.owner);
         } else {
             return to;
         }
--- a/src/share/classes/com/sun/tools/javac/file/CacheFSInfo.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/file/CacheFSInfo.java	Thu Feb 24 18:05:10 2011 -0800
@@ -49,16 +49,13 @@
     public static void preRegister(final Context context) {
         context.put(FSInfo.class, new Context.Factory<FSInfo>() {
             public FSInfo make() {
-                if (singleton == null)
-                    singleton = new CacheFSInfo();
-                context.put(FSInfo.class, singleton);
-                return singleton;
+                FSInfo instance = new CacheFSInfo();
+                context.put(FSInfo.class, instance);
+                return instance;
             }
         });
     }
 
-    static CacheFSInfo singleton;
-
     public void clearCache() {
         cache.clear();
     }
--- a/src/share/classes/com/sun/tools/javac/file/JavacFileManager.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/file/JavacFileManager.java	Thu Feb 24 18:05:10 2011 -0800
@@ -164,9 +164,7 @@
 
         fsInfo = FSInfo.instance(context);
 
-        // retain check for system property for compatibility
-        useZipFileIndex = options.isUnset("useJavaUtilZip")
-                && System.getProperty("useJavaUtilZip") == null;
+        useZipFileIndex = options.isSet("useOptimizedZip");
         if (useZipFileIndex)
             zipFileIndexCache = ZipFileIndexCache.getSharedInstance();
 
@@ -499,8 +497,7 @@
 
             if (!useZipFileIndex) {
                 zdir = new ZipFile(zipFileName);
-            }
-            else {
+            } else {
                 usePreindexedCache = options.isSet("usezipindex");
                 preindexCacheLocation = options.get("java.io.tmpdir");
                 String optCacheLoc = options.get("cachezipindexdir");
--- a/src/share/classes/com/sun/tools/javac/file/Paths.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/file/Paths.java	Thu Feb 24 18:05:10 2011 -0800
@@ -247,10 +247,16 @@
         public Path() { super(); }
 
         public Path addDirectories(String dirs, boolean warn) {
-            if (dirs != null)
-                for (File dir : getPathEntries(dirs))
-                    addDirectory(dir, warn);
-            return this;
+            boolean prev = expandJarClassPaths;
+            expandJarClassPaths = true;
+            try {
+                if (dirs != null)
+                    for (File dir : getPathEntries(dirs))
+                        addDirectory(dir, warn);
+                return this;
+            } finally {
+                expandJarClassPaths = prev;
+            }
         }
 
         public Path addDirectories(String dirs) {
--- a/src/share/classes/com/sun/tools/javac/parser/Scanner.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/parser/Scanner.java	Thu Feb 24 18:05:10 2011 -0800
@@ -282,12 +282,6 @@
         sbuf[sp++] = ch;
     }
 
-    /** For debugging purposes: print character.
-     */
-    private void dch() {
-        System.err.print(ch); System.out.flush();
-    }
-
     /** Read next character in character or string literal and copy into sbuf.
      */
     private void scanLitChar() {
--- a/src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java	Thu Feb 24 18:05:10 2011 -0800
@@ -55,6 +55,7 @@
 import com.sun.tools.javac.api.JavacTrees;
 import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.code.Symbol.*;
+import com.sun.tools.javac.file.FSInfo;
 import com.sun.tools.javac.file.JavacFileManager;
 import com.sun.tools.javac.jvm.*;
 import com.sun.tools.javac.main.JavaCompiler;
@@ -1069,6 +1070,10 @@
             if (tl != null)
                 next.put(TaskListener.class, tl);
 
+            FSInfo fsInfo = context.get(FSInfo.class);
+            if (fsInfo != null)
+                next.put(FSInfo.class, fsInfo);
+
             JavaFileManager jfm = context.get(JavaFileManager.class);
             Assert.checkNonNull(jfm);
             next.put(JavaFileManager.class, jfm);
--- a/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Thu Feb 24 15:16:13 2011 -0800
+++ b/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Thu Feb 24 18:05:10 2011 -0800
@@ -800,6 +800,11 @@
 compiler.err.unreported.exception.default.constructor=\
     unreported exception {0} in default constructor
 
+# 0: type, 1: name
+compiler.err.unreported.exception.implicit.close=\
+    unreported exception {0}; must be caught or declared to be thrown\n\
+    exception thrown from implicit call to close() on resource variable ''{1}''
+
 compiler.err.unsupported.cross.fp.lit=\
     hexadecimal floating-point literals are not supported on this VM
 
@@ -1579,6 +1584,10 @@
 compiler.misc.diamond=\
     {0}<>
 
+# 0: type
+compiler.misc.diamond.non.generic=\
+    cannot use ''<>'' with non-generic class {0}
+
 # 0: list of type, 1: message segment
 compiler.misc.diamond.invalid.arg=\
     type argument {0} inferred for {1} is not allowed in this context
--- a/test/tools/javac/4241573/T4241573.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/4241573/T4241573.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -123,7 +123,7 @@
         if (!dir.mkdirs())
             throw new Exception("cannot create directories " + dir);
         for (String e: entries) {
-            writeFile(new File(dir, getPathForEntry(e)), getBodyForEntry(e));
+            writeFile(new File(dir, getPathForDirEntry(e)), getBodyForEntry(e));
         }
         return dir;
     }
@@ -134,7 +134,7 @@
         try {
             JarOutputStream jos = new JarOutputStream(out);
             for (String e: entries) {
-                jos.putNextEntry(new JarEntry(getPathForEntry(e)));
+                jos.putNextEntry(new JarEntry(getPathForZipEntry(e)));
                 jos.write(getBodyForEntry(e).getBytes());
             }
             jos.close();
@@ -144,11 +144,16 @@
         return jar;
     }
 
-    /** Return the path for an entry given to createDir or createJar. */
-    String getPathForEntry(String e) {
+    /** Return the path for an entry given to createDir */
+    String getPathForDirEntry(String e) {
         return e.replace(".", File.separator) + ".java";
     }
 
+    /** Return the path for an entry given to createJar. */
+    String getPathForZipEntry(String e) {
+        return e.replace(".", "/") + ".java";
+    }
+
     /** Return the body text for an entry given to createDir or createJar. */
     String getBodyForEntry(String e) {
         int sep = e.lastIndexOf(".");
--- a/test/tools/javac/4917091/Test255.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/4917091/Test255.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -16,9 +16,9 @@
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
  */
 
 /*
--- a/test/tools/javac/4917091/Test256a.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/4917091/Test256a.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -16,9 +16,9 @@
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
  */
 
 /*
--- a/test/tools/javac/4917091/Test256b.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/4917091/Test256b.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -16,9 +16,9 @@
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
  */
 
 /*
--- a/test/tools/javac/6508981/TestInferBinaryName.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/6508981/TestInferBinaryName.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2011 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -138,12 +138,11 @@
                                    boolean zipFileIndexKind)
             throws IOException {
         Context ctx = new Context();
+        Options options = Options.instance(ctx);
         // uugh, ugly back door, should be cleaned up, someday
         if (zipFileIndexKind == USE_ZIP_FILE_INDEX)
-            System.clearProperty("useJavaUtilZip");
-        else
-            System.setProperty("useJavaUtilZip", "true");
-        Options options = Options.instance(ctx);
+            options.put("useOptimizedZip", "true");
+
         if (symFileKind == IGNORE_SYMBOL_FILE)
             options.put("ignore.symbol.file", "true");
         JavacFileManager fm = new JavacFileManager(ctx, false, null);
--- a/test/tools/javac/Paths/Class-Path.sh	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/Paths/Class-Path.sh	Thu Feb 24 18:05:10 2011 -0800
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -24,7 +24,7 @@
 #
 
 
-# @test @(#)Class-Path.sh	1.3 03/10/31
+# @test
 # @bug 4212732
 # @summary Test handling of the Class-Path attribute in jar file manifests
 # @author Martin Buchholz
@@ -184,8 +184,8 @@
 #
 Success "$jar" cfe "Hello.jar" "Hello" Bye.class
 
-# Jar creation and update when there is no manifest and inputfiles
-specified
+# Jar creation and update when there is no manifest and inputfiles 
+# specified
 Failure "$jar" cvf "A.jar"
 Failure "$jar" uvf "A.jar"
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/Paths/Class-Path2.sh	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,111 @@
+#!/bin/sh
+#
+# Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+# @test 
+# @bug 4212732 6485027
+# @summary Test handling of the Class-Path attribute in jar file manifests
+# @author Martin Buchholz
+#
+# @run shell Class-Path2.sh
+
+# To run this test manually, simply do ./Class-Path2.sh
+
+. ${TESTSRC-.}/Util.sh
+
+set -u
+
+Cleanup() {
+    Sys rm -rf pkg Main.java Main.class Main.jar jars
+    Sys rm -rf MANIFEST.MF A.jar B.zip
+}
+
+Cleanup
+Sys mkdir pkg
+
+#----------------------------------------------------------------
+# Create mutually referential jar files
+#----------------------------------------------------------------
+cat >pkg/A.java <<EOF
+package pkg;
+import pkg.B;
+public class A {
+    public static int f() { return B.g(); }
+    public static int g() { return 0; }
+}
+EOF
+
+cat >pkg/B.java <<EOF
+package pkg;
+import pkg.A;
+public class B {
+    public static int f() { return A.g(); }
+    public static int g() { return 0; }
+}
+EOF
+
+Sys "$javac" pkg/A.java pkg/B.java
+
+MkManifestWithClassPath "./sub/B.zip"
+Sys "$jar" cmf MANIFEST.MF A.jar pkg/A.class
+
+MkManifestWithClassPath "../A.jar"
+Sys "$jar" cmf MANIFEST.MF B.zip pkg/B.class
+
+cat >Main.java <<EOF
+import pkg.*;
+public class Main {
+    public static void main(String []a) { System.exit(A.f() + B.f()); }
+}
+EOF
+
+Sys rm -rf pkg
+
+Sys mkdir jars
+Sys mkdir jars/sub/
+Sys mv A.jar jars/.
+Sys mv B.zip jars/sub/.
+
+#
+# Test 1: Compiling 
+#
+
+Success "$javac" ${TESTTOOLVMOPTS} -cp "jars/A.jar" Main.java
+Success "$java"  ${TESTVMOPTS}     -cp "jars/A.jar${PS}." Main
+
+Success "$javac" ${TESTTOOLVMOPTS} -cp "jars/sub/B.zip"       Main.java
+Success "$java"  ${TESTVMOPTS}     -cp "jars/sub/B.zip${PS}." Main
+
+#
+# Test 2: Use of extension directories is incorrect
+#
+
+Success "$javac" ${TESTTOOLVMOPTS} -extdirs jars          -cp None Main.java
+Success "$java"  ${TESTVMOPTS}     -Djava.ext.dirs="jars" -cp .    Main
+
+Success "$javac" ${TESTTOOLVMOPTS} -extdirs jars/sub          -cp None Main.java
+Success "$java"  ${TESTVMOPTS}     -Djava.ext.dirs="jars/sub" -cp .    Main
+
+Cleanup
+
+Bottom Line
--- a/test/tools/javac/Paths/Diagnostics.sh	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/Paths/Diagnostics.sh	Thu Feb 24 18:05:10 2011 -0800
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -182,12 +182,12 @@
 No Warning "$javac" ${TESTTOOLVMOPTS} -Xlint -Xbootclasspath/p:classesRefRef.jar Main.java
 
 #----------------------------------------------------------------
-# Class-Path attribute ignored in extdirs or endorseddirs
+# Class-Path attribute followed in extdirs or endorseddirs
 #----------------------------------------------------------------
 Sys mkdir jars
 Sys cp -p classesRefRef.jar jars/.
-No Warning "$javac" ${TESTTOOLVMOPTS} -Xlint -extdirs      jars Main.java
-No Warning "$javac" ${TESTTOOLVMOPTS} -Xlint -endorseddirs jars Main.java
+   Warning "$javac" ${TESTTOOLVMOPTS} -Xlint -extdirs      jars Main.java
+   Warning "$javac" ${TESTTOOLVMOPTS} -Xlint -endorseddirs jars Main.java
 
 #----------------------------------------------------------------
 # Bad Jar file in extdirs and endorseddirs should not be ignored
--- a/test/tools/javac/TryWithResources/ResourceInterface.out	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/TryWithResources/ResourceInterface.out	Thu Feb 24 18:05:10 2011 -0800
@@ -1,2 +1,2 @@
-ResourceInterface.java:38:34: compiler.err.unreported.exception.need.to.catch.or.throw: ResourceInterface.E1
+ResourceInterface.java:38:13: compiler.err.unreported.exception.implicit.close: ResourceInterface.E1, r2
 1 error
--- a/test/tools/javac/TryWithResources/TwrFlow.out	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/TryWithResources/TwrFlow.out	Thu Feb 24 18:05:10 2011 -0800
@@ -1,3 +1,3 @@
 TwrFlow.java:14:11: compiler.err.except.never.thrown.in.try: java.io.IOException
-TwrFlow.java:12:46: compiler.err.unreported.exception.need.to.catch.or.throw: CustomCloseException
+TwrFlow.java:12:13: compiler.err.unreported.exception.implicit.close: CustomCloseException, twrFlow
 2 errors
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/TryWithResources/TwrNullTests.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7020047
+ * @summary Test null handling of try-with-resources statement
+ */
+
+public class TwrNullTests {
+    /*
+     * Each try-with-resources statement generates two calls to the
+     * close method for each resource: one for when there is a primary
+     * exception present and the second for when a primary exception
+     * is absent.  The null handling of both cases needs to be
+     * checked.
+     */
+    public static void main(String... args) {
+        testNormalCompletion();
+        testNoSuppression();
+    }
+
+    /*
+     * Verify empty try-with-resources on a null resource completes
+     * normally; no NPE from the generated close call.
+     */
+    private static void testNormalCompletion() {
+        try(AutoCloseable resource = null) {
+            return; // Nothing to see here, move along.
+        } catch (Exception e) {
+            throw new AssertionError("Should not be reached", e);
+        }
+    }
+
+    /*
+     * Verify that a NPE on a null resource is <em>not</em> added as a
+     * suppressed exception to an exception from try block.
+     */
+    private static void testNoSuppression() {
+        try(AutoCloseable resource = null) {
+            throw new java.io.IOException();
+        } catch(java.io.IOException ioe) {
+            Throwable[] suppressed = ioe.getSuppressed();
+            if (suppressed.length != 0) {
+                throw new AssertionError("Non-empty suppressed exceptions",
+                                         ioe);
+            }
+        } catch (Exception e) {
+            throw new AssertionError("Should not be reached", e);
+        }
+    }
+}
--- a/test/tools/javac/api/6411310/Test.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/api/6411310/Test.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -59,12 +59,12 @@
         test(createFileManager(), createDir("dir", entries), "p", entries);
         test(createFileManager(), createDir("a b/dir", entries), "p", entries);
 
-        for (boolean useJavaUtilZip: new boolean[] { false, true }) {
-            test(createFileManager(useJavaUtilZip), createJar("jar", entries), "p", entries);
-            test(createFileManager(useJavaUtilZip), createJar("jar jar", entries), "p", entries);
+        for (boolean useOptimizedZip: new boolean[] { false, true }) {
+            test(createFileManager(useOptimizedZip), createJar("jar", entries), "p", entries);
+            test(createFileManager(useOptimizedZip), createJar("jar jar", entries), "p", entries);
 
             for (boolean useSymbolFile: new boolean[] { false, true }) {
-                test(createFileManager(useJavaUtilZip, useSymbolFile), rt_jar, "java.lang.ref", null);
+                test(createFileManager(useOptimizedZip, useSymbolFile), rt_jar, "java.lang.ref", null);
             }
         }
 
@@ -145,42 +145,22 @@
         return createFileManager(false, false);
     }
 
-    JavacFileManager createFileManager(boolean useJavaUtilZip) {
-        return createFileManager(useJavaUtilZip, false);
+    JavacFileManager createFileManager(boolean useOptimizedZip) {
+        return createFileManager(useOptimizedZip, false);
     }
 
-    JavacFileManager createFileManager(boolean useJavaUtilZip, boolean useSymbolFile) {
-        // javac should really not be using system properties like this
-        // -- it should really be using (hidden) options -- but until then
-        // take care to leave system properties as we find them, so as not
-        // to adversely affect other tests that might follow.
-        String prev = System.getProperty("useJavaUtilZip");
-        boolean resetProperties = false;
-        try {
-            if (useJavaUtilZip) {
-                System.setProperty("useJavaUtilZip", "true");
-                resetProperties = true;
-            } else if (System.getProperty("useJavaUtilZip") != null) {
-                System.getProperties().remove("useJavaUtilZip");
-                resetProperties = true;
+    JavacFileManager createFileManager(boolean useOptimizedZip, boolean useSymbolFile) {
+        Context c = new Context();
+        Options options = Options.instance(c);
+
+            if (useOptimizedZip) {
+                options.put("useOptimizedZip", "true");
             }
 
-            Context c = new Context();
             if (!useSymbolFile) {
-                Options options = Options.instance(c);
                 options.put("ignore.symbol.file", "true");
             }
-
             return new JavacFileManager(c, false, null);
-        } finally {
-            if (resetProperties) {
-                if (prev == null) {
-                    System.getProperties().remove("useJavaUtilZip");
-                } else {
-                    System.setProperty("useJavaUtilZip", prev);
-                }
-            }
-        }
     }
 
     File createDir(String name, String... entries) throws Exception {
--- a/test/tools/javac/api/T6838467.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/api/T6838467.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,7 +32,9 @@
 import java.util.zip.*;
 import javax.tools.*;
 import com.sun.tools.javac.file.JavacFileManager;
+import com.sun.tools.javac.main.OptionName;
 import com.sun.tools.javac.util.Context;
+import com.sun.tools.javac.util.Options;
 
 public class T6838467 {
     boolean fileSystemIsCaseSignificant = !new File("a").equals(new File("A"));
@@ -176,33 +178,13 @@
         return fm;
     }
 
-    JavacFileManager createFileManager(boolean useJavaUtilZip) {
-        // javac should really not be using system properties like this
-        // -- it should really be using (hidden) options -- but until then
-        // take care to leave system properties as we find them, so as not
-        // to adversely affect other tests that might follow.
-        String prev = System.getProperty("useJavaUtilZip");
-        boolean resetProperties = false;
-        try {
-            if (useJavaUtilZip) {
-                System.setProperty("useJavaUtilZip", "true");
-                resetProperties = true;
-            } else if (System.getProperty("useJavaUtilZip") != null) {
-                System.getProperties().remove("useJavaUtilZip");
-                resetProperties = true;
-            }
-
-            Context c = new Context();
-            return new JavacFileManager(c, false, null);
-        } finally {
-            if (resetProperties) {
-                if (prev == null) {
-                    System.getProperties().remove("useJavaUtilZip");
-                } else {
-                    System.setProperty("useJavaUtilZip", prev);
-                }
-            }
+    JavacFileManager createFileManager(boolean useOptimedZipIndex) {
+        Context ctx = new Context();
+        if (useOptimedZipIndex) {
+            Options options = Options.instance(ctx);
+            options.put("useOptimizedZip", "true");
         }
+        return new JavacFileManager(ctx, false, null);
     }
 
     // create a directory containing a given set of paths
--- a/test/tools/javac/api/T6877206.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/api/T6877206.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -63,12 +63,12 @@
         test(createFileManager(), createDir("dir", entries), "p", entries.length);
         test(createFileManager(), createDir("a b/dir", entries), "p", entries.length);
 
-        for (boolean useJavaUtilZip: new boolean[] { false, true }) {
-            test(createFileManager(useJavaUtilZip), createJar("jar", entries), "p", entries.length);
-            test(createFileManager(useJavaUtilZip), createJar("jar jar", entries), "p", entries.length);
+        for (boolean useOptimizedZip: new boolean[] { false, true }) {
+            test(createFileManager(useOptimizedZip), createJar("jar", entries), "p", entries.length);
+            test(createFileManager(useOptimizedZip), createJar("jar jar", entries), "p", entries.length);
 
             for (boolean useSymbolFile: new boolean[] { false, true }) {
-                test(createFileManager(useJavaUtilZip, useSymbolFile), rt_jar, "java.lang.ref", -1);
+                test(createFileManager(useOptimizedZip, useSymbolFile), rt_jar, "java.lang.ref", -1);
             }
         }
 
@@ -161,42 +161,20 @@
         return createFileManager(false, false);
     }
 
-    JavacFileManager createFileManager(boolean useJavaUtilZip) {
-        return createFileManager(useJavaUtilZip, false);
+    JavacFileManager createFileManager(boolean useOptimizedZip) {
+        return createFileManager(useOptimizedZip, false);
     }
 
-    JavacFileManager createFileManager(boolean useJavaUtilZip, boolean useSymbolFile) {
-        // javac should really not be using system properties like this
-        // -- it should really be using (hidden) options -- but until then
-        // take care to leave system properties as we find them, so as not
-        // to adversely affect other tests that might follow.
-        String prev = System.getProperty("useJavaUtilZip");
-        boolean resetProperties = false;
-        try {
-            if (useJavaUtilZip) {
-                System.setProperty("useJavaUtilZip", "true");
-                resetProperties = true;
-            } else if (System.getProperty("useJavaUtilZip") != null) {
-                System.getProperties().remove("useJavaUtilZip");
-                resetProperties = true;
-            }
-
-            Context c = new Context();
-            if (!useSymbolFile) {
-                Options options = Options.instance(c);
-                options.put("ignore.symbol.file", "true");
-            }
-
-            return new JavacFileManager(c, false, null);
-        } finally {
-            if (resetProperties) {
-                if (prev == null) {
-                    System.getProperties().remove("useJavaUtilZip");
-                } else {
-                    System.setProperty("useJavaUtilZip", prev);
-                }
-            }
+    JavacFileManager createFileManager(boolean useOptimizedZip, boolean useSymbolFile) {
+        Context ctx = new Context();
+        Options options = Options.instance(ctx);
+        if (useOptimizedZip) {
+            options.put("useOptimizedZip", "true");
         }
+        if (!useSymbolFile) {
+            options.put("ignore.symbol.file", "true");
+        }
+        return new JavacFileManager(ctx, false, null);
     }
 
     File createDir(String name, String... entries) throws Exception {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/diags/examples/DiamondNonGeneric.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+// key: compiler.misc.diamond.non.generic
+// key: compiler.err.cant.apply.diamond.1
+
+class DiamondNonGeneric {
+    String s = new String<>("foo");
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/diags/examples/UnreportedExceptionImplicitClose.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+// key: compiler.err.unreported.exception.implicit.close
+
+class UnreportedExceptionImplicitClose {
+    static class MyCloseable implements AutoCloseable {
+        public void close() throws Exception { }
+    }
+    void test() {
+        try (MyCloseable x = new MyCloseable()) {  }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/file/T7018098.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 7018098
+ * @summary CacheFSInfo persists too long
+ * @library ../lib
+ * @build JavacTestingAbstractProcessor T7018098
+ * @run main T7018098
+ */
+
+import java.io.*;
+import java.util.*;
+import javax.annotation.processing.RoundEnvironment;
+import javax.annotation.processing.SupportedOptions;
+import javax.lang.model.element.TypeElement;
+import javax.tools.Diagnostic;
+
+import com.sun.tools.javac.file.FSInfo;
+import com.sun.tools.javac.processing.JavacProcessingEnvironment;
+import com.sun.tools.javac.util.Context;
+
+@SupportedOptions("expect")
+public class T7018098 extends JavacTestingAbstractProcessor {
+    public static void main(String... args) throws Exception {
+        new T7018098().run();
+    }
+
+    static File testDir = new File("T7018098.dir");
+
+    void run() throws Exception {
+        String myName = T7018098.class.getSimpleName();
+        File testSrc = new File(System.getProperty("test.src"));
+        File file = new File(testSrc, myName + ".java");
+
+        _assert(!testDir.exists());
+
+        compile(
+            "-proc:only",
+            "-processor", myName,
+            "-Aexpect=false",
+            file.getPath());
+
+        testDir.mkdirs();
+        _assert(testDir.exists());
+
+        compile(
+            "-proc:only",
+            "-processor", myName,
+            "-Aexpect=true",
+            file.getPath());
+    }
+
+    void _assert(boolean cond) {
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    void compile(String... args) throws Exception {
+        StringWriter sw = new StringWriter();
+        PrintWriter pw = new PrintWriter(sw);
+        int rc = com.sun.tools.javac.Main.compile(args, pw);
+        pw.close();
+        String out = sw.toString();
+        if (!out.isEmpty())
+            System.err.println(out);
+        if (rc != 0)
+            throw new Exception("compilation failed unexpectedly: rc=" + rc);
+    }
+
+    //---------------
+
+    @Override
+    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+        Context context = ((JavacProcessingEnvironment) processingEnv).getContext();
+        FSInfo fsInfo = context.get(FSInfo.class);
+
+        round++;
+        if (round == 1) {
+            boolean expect = Boolean.valueOf(options.get("expect"));
+            checkEqual("cache result", fsInfo.isDirectory(testDir), expect);
+            initialFSInfo = fsInfo;
+        } else {
+            checkEqual("fsInfo", fsInfo, initialFSInfo);
+        }
+
+        return true;
+    }
+
+    <T> void checkEqual(String label, T actual, T expected) {
+        if (actual != expected)
+            messager.printMessage(Diagnostic.Kind.ERROR,
+                    "Unexpected value for " + label
+                    + "; expected: " + expected
+                    + "; found: " + actual);
+    }
+
+    int round = 0;
+    FSInfo initialFSInfo;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/diamond/neg/Neg12.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,15 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 7020043
+ *
+ * @summary  Project Coin: diamond allowed on non-generic type
+ * @author R&eacute;mi Forax
+ * @compile/fail/ref=Neg12.out Neg12.java -XDrawDiagnostics
+ *
+ */
+
+class DiamondRaw {
+   public static void main(String[] args) {
+     String s = new String<>("foo");
+   }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/diamond/neg/Neg12.out	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,2 @@
+Neg12.java:13:27: compiler.err.cant.apply.diamond.1: java.lang.String, (compiler.misc.diamond.non.generic: java.lang.String)
+1 error
--- a/test/tools/javac/nio/compileTest/CompileTest.java	Thu Feb 24 15:16:13 2011 -0800
+++ b/test/tools/javac/nio/compileTest/CompileTest.java	Thu Feb 24 18:05:10 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,7 +25,7 @@
  * @test
  * @bug 6906175 6915476 6915497 7006564
  * @summary Path-based JavaFileManager
- * @compile -g HelloPathWorld.java
+ * @compile -g CompileTest.java HelloPathWorld.java
  * @run main CompileTest
  */
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/processing/model/element/TestTypeParameter.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 6505047
+ * @summary javax.lang.model.element.Element.getEnclosingElement() doesn't return null for type parameter
+ * @library ../../../lib
+ * @build JavacTestingAbstractProcessor TestTypeParameter
+ * @compile -processor TestTypeParameter -proc:only TestTypeParameter.java
+ */
+
+import java.util.*;
+import javax.annotation.processing.*;
+import javax.lang.model.element.*;
+import javax.lang.model.util.*;
+import javax.tools.*;
+
+public class TestTypeParameter<T> extends JavacTestingAbstractProcessor {
+    int round = 0;
+
+    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+        if (++round == 1) {
+            int found = (new Scanner()).scan(roundEnv.getRootElements(), null);
+            if (found == expect) {
+                note("generic elements found and verified: " + found);
+            } else {
+                error("unexpected number of results: expected " + expect
+                        + ", found " + found);
+            }
+
+        }
+        return true;
+    }
+
+    class Scanner extends ElementScanner7<Integer,Void> {
+        @Override
+        public Integer visitExecutable(ExecutableElement e, Void p) {
+            super.visitExecutable(e, p);
+            found += check(e, e.getTypeParameters());
+            return found;
+        }
+
+        @Override
+        public Integer visitType(TypeElement e, Void p) {
+            super.visitType(e, p);
+            found += check(e, e.getTypeParameters());
+            return found;
+        }
+
+        int found;
+    }
+
+    /**
+     * Check if type parameters, if any, have expected owner.
+     * Return 1 if typarams not empty and all have expected owner, else return 0.
+     */
+    int check(Element e, List<? extends TypeParameterElement> typarams) {
+        note("checking " + e, e);
+        if (typarams.isEmpty()) {
+            note("no type parameters found", e);
+            return 0;
+        }
+        for (TypeParameterElement tpe: typarams) {
+            note("checking type parameter " + tpe, tpe);
+            if (tpe.getEnclosingElement() != e) {
+                error("unexpected owner; expected: " + e
+                        + ", found " + tpe.getEnclosingElement(),
+                        tpe);
+                return 0;
+            }
+            if (tpe.getEnclosingElement() != tpe.getGenericElement()) {
+                error("unexpected generic element; expected: " + tpe.getGenericElement()
+                        + ", found " + tpe.getEnclosingElement(),
+                        tpe);
+                return 0;
+            }
+        }
+        note("verified " + e, e);
+        return 1;
+    }
+
+    void note(String msg) {
+        messager.printMessage(Diagnostic.Kind.NOTE, msg);
+    }
+
+    void note(String msg, Element e) {
+        messager.printMessage(Diagnostic.Kind.NOTE, msg, e);
+    }
+
+    void error(String msg, Element e) {
+        messager.printMessage(Diagnostic.Kind.ERROR, msg, e);
+    }
+
+    void error(String msg) {
+        messager.printMessage(Diagnostic.Kind.ERROR, msg);
+    }
+
+    // additional generic elements to test
+    <X> X m(X x) { return x; }
+
+    interface Intf<X> { X m() ; }
+
+    class Class<X> {
+        <Y> Class() { }
+    }
+
+    final int expect = 5;  // top level class, plus preceding examples
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/scope/7017664/CompoundScopeTest.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,212 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7017664
+ * @summary Basher for CompoundScopes
+ */
+
+import java.util.Random;
+import java.util.Map;
+import java.util.HashMap;
+import com.sun.tools.javac.util.*;
+import com.sun.tools.javac.code.*;
+import com.sun.tools.javac.code.Scope.*;
+import com.sun.tools.javac.code.Symbol.*;
+import com.sun.tools.javac.file.JavacFileManager;
+
+public class CompoundScopeTest {
+    public static void main(String... args) throws Exception {
+        new CompoundScopeTest().run(args);
+    }
+
+    static final int MAX_SYMBOLS_COUNT = 20;
+    static final int PASSES = 10;
+
+    void run(String... args) throws Exception {
+        int count = PASSES;
+
+        for (int i = 0; i < args.length; i++) {
+            String arg = args[i];
+            if (arg.equals("-seed") && (i + 1 < args.length))
+                seed = Long.parseLong(args[++i]);
+            else if(arg.equals("-tests") && (i + 1 < args.length))
+                count = Integer.parseInt(args[++i]);
+            else
+                throw new Exception("unknown arg: " + arg);
+        }
+
+        rgen = new Random(seed);
+
+        for (int i = 0; i < count; i++) {
+            Test t = new Test();
+            t.run();
+        }
+
+        if (errors > 0)
+            throw new Exception(errors + " errors found");
+    }
+
+    /**
+     * Write a message to stderr.
+     */
+    void log(String msg) {
+        System.err.println(msg);
+    }
+
+    /**
+     * Write an error message to stderr.
+     */
+    void error(String msg) {
+        System.err.println("Error: " + msg);
+        errors++;
+    }
+
+    Random rgen;
+    long seed = 0;
+
+    int errors;
+
+    /** Class to encapsulate a test run. */
+    class Test {
+
+        List<Symbol> elems = List.nil();
+        Map<Name, List<Symbol>> shadowedMap = new HashMap<Name, List<Symbol>>();
+
+        /** Run the test. */
+        void run() throws Exception {
+            log ("starting test");
+            setup();
+            Scope[] scopes = { createScope(rgen.nextInt(MAX_SYMBOLS_COUNT)),
+                               createScope(rgen.nextInt(MAX_SYMBOLS_COUNT)),
+                               createScope(rgen.nextInt(MAX_SYMBOLS_COUNT)) };
+            boolean[][] scopeNesting = { {false, true, false, true},
+                                   {false, true, true, true},
+                                   {false, false, true, true} };
+            /**
+             * We want to generate (and check) the following compound scopes:
+             * C1 = C(S1, S2, S3)
+             * C2 = C((S1, S2), S3)
+             * C3 = C(S1, (S2, S3))
+             * C3 = C(C(S1, S2, S3))
+             */
+            for (int i = 0 ; i < 4 ; i ++) {
+                CompoundScope root = new CompoundScope(symtab.noSymbol);
+                CompoundScope sub = new CompoundScope(symtab.noSymbol);
+                boolean subAdded = false;
+                for (int sc = 0 ; sc < 3 ; sc ++) {
+                    if (scopeNesting[sc][i]) {
+                        sub.addSubScope(scopes[sc]);
+                        if (!subAdded) {
+                            root.addSubScope(sub);
+                            subAdded = true;
+                        }
+                    } else {
+                        root.addSubScope(scopes[sc]);
+                    }
+                }
+                log("testing scope: " + root);
+                checkElems(root);
+                checkShadowed(root);
+            }
+        }
+
+        /**
+         * Create a scope containing a given number of synthetic symbols
+         */
+        Scope createScope(int nelems) {
+            Scope s = new Scope(symtab.noSymbol);
+            for (int i = 0 ; i < nelems ; i++) {
+                Symbol sym = new TypeSymbol(0, names.fromString("s" + i), null, null);
+                s.enter(sym);
+                elems = elems.prepend(sym);
+                List<Symbol> shadowed = shadowedMap.get(sym.name);
+                if (shadowed == null) {
+                    shadowed = List.nil();
+                }
+                shadowedMap.put(sym.name, shadowed.prepend(sym));
+            }
+            return s;
+        }
+
+        /**
+         * Setup compiler context
+         */
+        void setup() {
+            log ("setup");
+            context = new Context();
+            JavacFileManager.preRegister(context); // required by ClassReader which is required by Symtab
+            names = Names.instance(context);       // Name.Table impls tied to an instance of Names
+            symtab = Symtab.instance(context);
+        }
+
+        /**
+         * Check that CompoundScope.getElements() correctly visits all symbols
+         * in all subscopes (in the correct order)
+         */
+        void checkElems(CompoundScope cs) {
+            List<Symbol> allSymbols = elems;
+            int count = 0;
+            for (Symbol s : cs.getElements()) {
+                checkSameSymbols(s, allSymbols.head);
+                allSymbols = allSymbols.tail;
+                count++;
+            }
+            if (count != elems.size()) {
+                error("CompoundScope.getElements() did not returned enough symbols");
+            }
+        }
+
+        /**
+         * Check that CompoundScope.getElements() correctly visits all symbols
+         * with a given name in all subscopes (in the correct order)
+         */
+        void checkShadowed(CompoundScope cs) {
+            for (Map.Entry<Name, List<Symbol>> shadowedEntry : shadowedMap.entrySet()) {
+                int count = 0;
+                List<Symbol> shadowed = shadowedEntry.getValue();
+                Name name = shadowedEntry.getKey();
+                for (Symbol s : cs.getElementsByName(name)) {
+                    checkSameSymbols(s, shadowed.head);
+                    shadowed = shadowed.tail;
+                    count++;
+                }
+                if (count != shadowedEntry.getValue().size()) {
+                    error("CompoundScope.lookup() did not returned enough symbols for name " + name);
+                }
+            }
+        }
+
+        void checkSameSymbols(Symbol found, Symbol req) {
+            if (found != req) {
+                error("Symbol mismatch - found    : " + found + ":" + found.hashCode() + "\n" +
+                      "                  required : " + req + ":" + req.hashCode());
+            }
+        }
+
+        Context context;
+        Symtab symtab;
+        Names names;
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/scope/7017664/ImplementationCacheTest.java	Thu Feb 24 18:05:10 2011 -0800
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7017664
+ * @summary Basher for CompoundScopes
+ */
+
+import com.sun.source.util.JavacTask;
+import com.sun.tools.javac.code.Symbol;
+import com.sun.tools.javac.code.Types;
+import com.sun.tools.javac.file.JavacFileManager;
+import com.sun.tools.javac.util.Context;
+
+import com.sun.tools.javac.code.Symbol.*;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.Arrays;
+import java.util.List;
+import javax.lang.model.element.Element;
+import javax.tools.JavaCompiler;
+import javax.tools.JavaFileObject;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.ToolProvider;
+
+import static javax.tools.JavaFileObject.Kind;
+
+public class ImplementationCacheTest {
+
+    static class SourceFile extends SimpleJavaFileObject {
+
+        final String source = "interface I { void m(); }\n" +
+                              "class A implements I { public void m() {} }\n" +
+                              "class B extends A { }\n";
+
+        public SourceFile() {
+            super(URI.create("test.java"), Kind.SOURCE);
+        }
+
+        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
+            return source;
+        }
+    }
+
+    public static void main(String[] args) throws IOException {
+        List<? extends JavaFileObject> files = Arrays.asList(new SourceFile());
+        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
+        JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files);
+        Context ctx = new Context();
+        JavacFileManager.preRegister(ctx);
+        checkImplementationCache(ct.analyze(), Types.instance(ctx));
+    }
+
+    static void checkImplementationCache(Iterable<? extends Element> elements, Types types) {
+        if (types == null) {
+            throw new AssertionError("problems initializing Types");
+        }
+
+        Symbol a = null;
+        Symbol b = null;
+        Symbol i = null;
+
+        for (Element e : elements) {
+            if (e.getSimpleName().contentEquals("A")) {
+                a = (Symbol)e;
+            } else if (e.getSimpleName().contentEquals("B")) {
+                b = (Symbol)e;
+            } else if (e.getSimpleName().contentEquals("I")) {
+                i = (Symbol)e;
+            }
+        }
+
+        if (a == null || b == null || i == null) {
+            throw new AssertionError("missing class");
+        }
+
+        MethodSymbol I_m = null;
+
+        for (Symbol sym : i.members().getElements()) {
+            if (sym.name.contentEquals("m")) {
+                I_m = (MethodSymbol)sym;
+            }
+        }
+
+        if (I_m == null) {
+            throw new AssertionError("missing method m() in scope of interface I");
+        }
+
+        Symbol impl = I_m.implementation((TypeSymbol)b, types, true);
+
+        if (impl == null || impl.owner != a) {
+            throw new AssertionError("wrong implementation for m() in B");
+        }
+
+        b.members().enter(I_m.clone(b));
+
+        Symbol newImpl = I_m.implementation((TypeSymbol)b, types, true);
+
+        if (newImpl == impl) {
+            throw new AssertionError("stale implementation for m() in B");
+        }
+
+        if (newImpl == null || newImpl.owner != b) {
+            throw new AssertionError("wrong implementation for m() in B");
+        }
+    }
+}