changeset 8710:2561c5957b28

Merge
author dcubed
date Thu, 16 Jul 2015 10:22:08 -0700
parents 0fb7705845de d7342e80f950
children 98c861cee52b
files test/serviceability/hprof/cpu002.java
diffstat 51 files changed, 723 insertions(+), 196 deletions(-) [+]
line wrap: on
line diff
--- a/src/cpu/aarch64/vm/globals_aarch64.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/aarch64/vm/globals_aarch64.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -34,7 +34,6 @@
 
 define_pd_global(bool, ConvertSleepToYield,      true);
 define_pd_global(bool, ShareVtableStubs,         true);
-define_pd_global(bool, CountInterpCalls,         true);
 define_pd_global(bool, NeedsDeoptSuspend,        false); // only register window machines need this
 
 define_pd_global(bool, ImplicitNullChecks,       true);  // Generate code for implicit null checks
@@ -61,8 +60,6 @@
 
 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
 
-define_pd_global(intx, PreInflateSpin,           10);
-
 define_pd_global(bool, RewriteBytecodes,     true);
 define_pd_global(bool, RewriteFrequentPairs, true);
 
--- a/src/cpu/aarch64/vm/templateInterpreter_aarch64.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/aarch64/vm/templateInterpreter_aarch64.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -869,7 +869,7 @@
 // native method than the typical interpreter frame setup.
 address InterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // r1: Method*
   // rscratch1: sender sp
@@ -1307,7 +1307,7 @@
 //
 address InterpreterGenerator::generate_normal_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // rscratch1: sender sp
   address entry_point = __ pc();
--- a/src/cpu/ppc/vm/globals_ppc.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/ppc/vm/globals_ppc.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -47,8 +47,6 @@
 define_pd_global(intx, InlineFrequencyCount,  100);
 define_pd_global(intx, InlineSmallCode,       1500);
 
-define_pd_global(intx, PreInflateSpin,        10);
-
 // Flags for template interpreter.
 define_pd_global(bool, RewriteBytecodes,      true);
 define_pd_global(bool, RewriteFrequentPairs,  true);
--- a/src/cpu/ppc/vm/templateInterpreter_ppc.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/ppc/vm/templateInterpreter_ppc.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -668,7 +668,7 @@
 
   address entry = __ pc();
 
-  const bool inc_counter = UseCompiler || CountCompiledCalls;
+  const bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // -----------------------------------------------------------------------------
   // Allocate a new frame that represents the native callee (i2n frame).
@@ -1118,7 +1118,7 @@
 // Generic interpreted method entry to (asm) interpreter.
 //
 address TemplateInterpreterGenerator::generate_normal_entry(bool synchronized) {
-  bool inc_counter = UseCompiler || CountCompiledCalls;
+  bool inc_counter = UseCompiler || CountCompiledCalls || LogTouchedMethods;
   address entry = __ pc();
   // Generate the code to allocate the interpreter stack frame.
   Register Rsize_of_parameters = R4_ARG2, // Written by generate_fixed_frame.
--- a/src/cpu/sparc/vm/globals_sparc.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/sparc/vm/globals_sparc.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -39,7 +39,6 @@
 define_pd_global(bool, DontYieldALot,               true);  // yield no more than 100 times per second
 define_pd_global(bool, ConvertSleepToYield,         false); // do not convert sleep(0) to yield. Helps GUI
 define_pd_global(bool, ShareVtableStubs,            false); // improves performance markedly for mtrt and compress
-define_pd_global(bool, CountInterpCalls,            false); // not implemented in the interpreter
 define_pd_global(bool, NeedsDeoptSuspend,           true); // register window machines need this
 
 define_pd_global(bool, ImplicitNullChecks,          true);  // Generate code for implicit null checks
@@ -67,8 +66,6 @@
 define_pd_global(intx, StackYellowPages, 2);
 define_pd_global(intx, StackRedPages, 1);
 
-define_pd_global(intx, PreInflateSpin,       40);  // Determined by running design center
-
 define_pd_global(bool, RewriteBytecodes,     true);
 define_pd_global(bool, RewriteFrequentPairs, true);
 
--- a/src/cpu/sparc/vm/templateInterpreter_sparc.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/sparc/vm/templateInterpreter_sparc.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, 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
@@ -801,7 +801,7 @@
   // the following temporary registers are used during frame creation
   const Register Gtmp1 = G3_scratch ;
   const Register Gtmp2 = G1_scratch;
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // make sure registers are different!
   assert_different_registers(G2_thread, G5_method, Gargs, Gtmp1, Gtmp2);
@@ -1225,7 +1225,7 @@
 address InterpreterGenerator::generate_normal_entry(bool synchronized) {
   address entry = __ pc();
 
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // the following temporary registers are used during frame creation
   const Register Gtmp1 = G3_scratch ;
--- a/src/cpu/x86/vm/globals_x86.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/x86/vm/globals_x86.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -33,7 +33,6 @@
 
 define_pd_global(bool, ConvertSleepToYield,      true);
 define_pd_global(bool, ShareVtableStubs,         true);
-define_pd_global(bool, CountInterpCalls,         true);
 define_pd_global(bool, NeedsDeoptSuspend,        false); // only register window machines need this
 
 define_pd_global(bool, ImplicitNullChecks,       true);  // Generate code for implicit null checks
@@ -66,8 +65,6 @@
 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
 #endif // AMD64
 
-define_pd_global(intx, PreInflateSpin,           10);
-
 define_pd_global(bool, RewriteBytecodes,     true);
 define_pd_global(bool, RewriteFrequentPairs, true);
 
--- a/src/cpu/x86/vm/macroAssembler_x86.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/x86/vm/macroAssembler_x86.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1781,6 +1781,7 @@
        cmpxchgptr(scrReg, Address(boxReg, OM_OFFSET_NO_MONITOR_VALUE_TAG(owner)));
     } else
     if ((EmitSync & 128) == 0) {                      // avoid ST-before-CAS
+       // register juggle because we need tmpReg for cmpxchgptr below
        movptr(scrReg, boxReg);
        movptr(boxReg, tmpReg);                   // consider: LEA box, [tmp-2]
 
@@ -1814,7 +1815,10 @@
        }
        cmpxchgptr(scrReg, Address(boxReg, OM_OFFSET_NO_MONITOR_VALUE_TAG(owner)));
        movptr(Address(scrReg, 0), 3);          // box->_displaced_header = 3
+       // If we weren't able to swing _owner from NULL to the BasicLock
+       // then take the slow path.
        jccb  (Assembler::notZero, DONE_LABEL);
+       // update _owner from BasicLock to thread
        get_thread (scrReg);                    // beware: clobbers ICCs
        movptr(Address(boxReg, OM_OFFSET_NO_MONITOR_VALUE_TAG(owner)), scrReg);
        xorptr(boxReg, boxReg);                 // set icc.ZFlag = 1 to indicate success
@@ -2083,6 +2087,9 @@
        xorptr(boxReg, boxReg);                  // box is really EAX
        if (os::is_MP()) { lock(); }
        cmpxchgptr(rsp, Address(tmpReg, OM_OFFSET_NO_MONITOR_VALUE_TAG(owner)));
+       // There's no successor so we tried to regrab the lock with the
+       // placeholder value. If that didn't work, then another thread
+       // grabbed the lock so we're done (and exit was a success).
        jccb  (Assembler::notEqual, LSuccess);
        // Since we're low on registers we installed rsp as a placeholding in _owner.
        // Now install Self over rsp.  This is safe as we're transitioning from
@@ -2190,6 +2197,9 @@
       movptr(boxReg, (int32_t)NULL_WORD);
       if (os::is_MP()) { lock(); }
       cmpxchgptr(r15_thread, Address(tmpReg, OM_OFFSET_NO_MONITOR_VALUE_TAG(owner)));
+      // There's no successor so we tried to regrab the lock.
+      // If that didn't work, then another thread grabbed the
+      // lock so we're done (and exit was a success).
       jccb  (Assembler::notEqual, LSuccess);
       // Intentional fall-through into slow-path
 
--- a/src/cpu/x86/vm/sharedRuntime_x86_32.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/x86/vm/sharedRuntime_x86_32.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -2456,7 +2456,8 @@
   // allocate space for the code
   ResourceMark rm;
   // setup code generation tools
-  CodeBuffer   buffer("deopt_blob", 1024, 1024);
+  // note: the buffer code size must account for StackShadowPages=50
+  CodeBuffer   buffer("deopt_blob", 1536, 1024);
   MacroAssembler* masm = new MacroAssembler(&buffer);
   int frame_size_in_words;
   OopMap* map = NULL;
--- a/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, 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
@@ -849,7 +849,7 @@
 
 address InterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // rbx,: Method*
   // rsi: sender sp
@@ -1265,7 +1265,7 @@
 //
 address InterpreterGenerator::generate_normal_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // rbx,: Method*
   // rsi: sender sp
--- a/src/cpu/x86/vm/templateInterpreter_x86_64.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/x86/vm/templateInterpreter_x86_64.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, 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
@@ -809,7 +809,7 @@
 // native method than the typical interpreter frame setup.
 address InterpreterGenerator::generate_native_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // rbx: Method*
   // r13: sender sp
@@ -1256,7 +1256,7 @@
 //
 address InterpreterGenerator::generate_normal_entry(bool synchronized) {
   // determine code generation flags
-  bool inc_counter  = UseCompiler || CountCompiledCalls;
+  bool inc_counter  = UseCompiler || CountCompiledCalls || LogTouchedMethods;
 
   // ebx: Method*
   // r13: sender sp
--- a/src/cpu/zero/vm/globals_zero.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/cpu/zero/vm/globals_zero.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -34,7 +34,6 @@
 
 define_pd_global(bool,  ConvertSleepToYield,  true);
 define_pd_global(bool,  ShareVtableStubs,     true);
-define_pd_global(bool,  CountInterpCalls,     true);
 define_pd_global(bool,  NeedsDeoptSuspend,    false);
 
 define_pd_global(bool,  ImplicitNullChecks,   true);
@@ -45,7 +44,6 @@
 define_pd_global(intx,  OptoLoopAlignment,    16);
 define_pd_global(intx,  InlineFrequencyCount, 100);
 define_pd_global(intx,  InlineSmallCode,      1000 );
-define_pd_global(intx,  PreInflateSpin,       10);
 
 define_pd_global(intx,  StackYellowPages,     2);
 define_pd_global(intx,  StackRedPages,        1);
--- a/src/os/windows/vm/os_windows.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/os/windows/vm/os_windows.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -3740,15 +3740,6 @@
          "stack size not a multiple of page size");
 
   initialize_performance_counter();
-
-  // Win95/Win98 scheduler bug work-around. The Win95/98 scheduler is
-  // known to deadlock the system, if the VM issues to thread operations with
-  // a too high frequency, e.g., such as changing the priorities.
-  // The 6000 seems to work well - no deadlocks has been notices on the test
-  // programs that we have seen experience this problem.
-  if (!os::win32::is_nt()) {
-    StarvationMonitorInterval = 6000;
-  }
 }
 
 
--- a/src/share/vm/ci/ciMethod.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/ci/ciMethod.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -75,6 +75,9 @@
 {
   assert(h_m() != NULL, "no null method");
 
+  if (LogTouchedMethods) {
+    h_m()->log_touched(Thread::current());
+  }
   // These fields are always filled in in loaded methods.
   _flags = ciFlags(h_m()->access_flags());
 
--- a/src/share/vm/classfile/classFileParser.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/classfile/classFileParser.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -2698,8 +2698,7 @@
     // Inner class index
     u2 inner_class_info_index = cfs->get_u2_fast();
     check_property(
-      inner_class_info_index == 0 ||
-        valid_klass_reference_at(inner_class_info_index),
+      valid_klass_reference_at(inner_class_info_index),
       "inner_class_info_index %u has bad constant type in class file %s",
       inner_class_info_index, CHECK_0);
     // Outer class index
@@ -5163,8 +5162,8 @@
     // The first non-signature thing better be a ')'
     if ((length > 0) && (*p++ == JVM_SIGNATURE_ENDFUNC)) {
       length--;
-      if (name->utf8_length() > 0 && name->byte_at(0) == '<') {
-        // All internal methods must return void
+      if (name == vmSymbols::object_initializer_name()) {
+        // All "<init>" methods must return void
         if ((length == 1) && (p[0] == JVM_SIGNATURE_VOID)) {
           return args_size;
         }
--- a/src/share/vm/classfile/symbolTable.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/classfile/symbolTable.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -58,14 +58,14 @@
 
   if (DumpSharedSpaces) {
     // Allocate all symbols to CLD shared metaspace
-    sym = new (len, ClassLoaderData::the_null_class_loader_data(), THREAD) Symbol(name, len, -1);
+    sym = new (len, ClassLoaderData::the_null_class_loader_data(), THREAD) Symbol(name, len, PERM_REFCOUNT);
   } else if (c_heap) {
     // refcount starts as 1
     sym = new (len, THREAD) Symbol(name, len, 1);
     assert(sym != NULL, "new should call vm_exit_out_of_memory if C_HEAP is exhausted");
   } else {
     // Allocate to global arena
-    sym = new (len, arena(), THREAD) Symbol(name, len, -1);
+    sym = new (len, arena(), THREAD) Symbol(name, len, PERM_REFCOUNT);
   }
   return sym;
 }
--- a/src/share/vm/classfile/verifier.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/classfile/verifier.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -2846,7 +2846,7 @@
   if (sig_stream.type() != T_VOID) {
     if (method_name == vmSymbols::object_initializer_name()) {
       // <init> method must have a void return type
-      /* Unreachable?  Class file parser verifies that methods with '<' have
+      /* Unreachable?  Class file parser verifies that <init> methods have
        * void return */
       verify_error(ErrorContext::bad_code(bci),
           "Return type must be void in <init> method");
--- a/src/share/vm/gc/cms/parNewGeneration.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/gc/cms/parNewGeneration.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -848,7 +848,7 @@
     _gch->oop_since_save_marks_iterate(GenCollectedHeap::YoungGen,
                                        _scan_cur_or_nonheap,
                                        _scan_older);
-  } while (!_gch->no_allocs_since_save_marks(true /* include_young */));
+  } while (!_gch->no_allocs_since_save_marks());
 }
 
 
--- a/src/share/vm/gc/serial/defNewGeneration.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/gc/serial/defNewGeneration.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -96,7 +96,7 @@
 void DefNewGeneration::EvacuateFollowersClosure::do_void() {
   do {
     _gch->oop_since_save_marks_iterate(GenCollectedHeap::YoungGen, _scan_cur_or_nonheap, _scan_older);
-  } while (!_gch->no_allocs_since_save_marks(GenCollectedHeap::YoungGen));
+  } while (!_gch->no_allocs_since_save_marks());
 }
 
 DefNewGeneration::FastEvacuateFollowersClosure::
@@ -112,7 +112,7 @@
 void DefNewGeneration::FastEvacuateFollowersClosure::do_void() {
   do {
     _gch->oop_since_save_marks_iterate(GenCollectedHeap::YoungGen, _scan_cur_or_nonheap, _scan_older);
-  } while (!_gch->no_allocs_since_save_marks(GenCollectedHeap::YoungGen));
+  } while (!_gch->no_allocs_since_save_marks());
   guarantee(_gen->promo_failure_scan_is_complete(), "Failed to finish scan");
 }
 
@@ -597,7 +597,7 @@
 
   gch->rem_set()->prepare_for_younger_refs_iterate(false);
 
-  assert(gch->no_allocs_since_save_marks(GenCollectedHeap::YoungGen),
+  assert(gch->no_allocs_since_save_marks(),
          "save marks have not been newly set.");
 
   // Not very pretty.
@@ -617,7 +617,7 @@
                                                   &fsc_with_no_gc_barrier,
                                                   &fsc_with_gc_barrier);
 
-  assert(gch->no_allocs_since_save_marks(GenCollectedHeap::YoungGen),
+  assert(gch->no_allocs_since_save_marks(),
          "save marks have not been newly set.");
 
   {
--- a/src/share/vm/gc/shared/genCollectedHeap.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/gc/shared/genCollectedHeap.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -741,11 +741,9 @@
 
 #undef GCH_SINCE_SAVE_MARKS_ITERATE_DEFN
 
-bool GenCollectedHeap::no_allocs_since_save_marks(bool include_young) {
-  if (include_young && !_young_gen->no_allocs_since_save_marks()) {
-    return false;
-  }
-  return _old_gen->no_allocs_since_save_marks();
+bool GenCollectedHeap::no_allocs_since_save_marks() {
+  return _young_gen->no_allocs_since_save_marks() &&
+         _old_gen->no_allocs_since_save_marks();
 }
 
 bool GenCollectedHeap::supports_inline_contig_alloc() const {
--- a/src/share/vm/gc/shared/genCollectedHeap.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/gc/shared/genCollectedHeap.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -436,7 +436,7 @@
 
   // Returns "true" iff no allocations have occurred since the last
   // call to "save_marks".
-  bool no_allocs_since_save_marks(bool include_young);
+  bool no_allocs_since_save_marks();
 
   // Returns true if an incremental collection is likely to fail.
   // We optionally consult the young gen, if asked to do so;
--- a/src/share/vm/oops/markOop.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/oops/markOop.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -32,26 +32,32 @@
 void markOopDesc::print_on(outputStream* st) const {
   if (is_marked()) {
     st->print(" marked(" INTPTR_FORMAT ")", value());
+  } else if (has_monitor()) {
+    // have to check has_monitor() before is_locked()
+    st->print(" monitor(" INTPTR_FORMAT ")=", value());
+    ObjectMonitor* mon = monitor();
+    if (mon == NULL) {
+      st->print("NULL (this should never be seen!)");
+    } else {
+      st->print("{count=" INTPTR_FORMAT ",waiters=" INTPTR_FORMAT
+                ",recursions=" INTPTR_FORMAT ",owner=" INTPTR_FORMAT "}",
+                mon->count(), mon->waiters(), mon->recursions(),
+                p2i(mon->owner()));
+    }
   } else if (is_locked()) {
     st->print(" locked(" INTPTR_FORMAT ")->", value());
     if (is_neutral()) {
       st->print("is_neutral");
-      if (has_no_hash()) st->print(" no_hash");
-      else st->print(" hash=" INTPTR_FORMAT, hash());
+      if (has_no_hash()) {
+        st->print(" no_hash");
+      } else {
+        st->print(" hash=" INTPTR_FORMAT, hash());
+      }
       st->print(" age=%d", age());
     } else if (has_bias_pattern()) {
       st->print("is_biased");
       JavaThread* jt = biased_locker();
       st->print(" biased_locker=" INTPTR_FORMAT, p2i(jt));
-    } else if (has_monitor()) {
-      ObjectMonitor* mon = monitor();
-      if (mon == NULL)
-        st->print("monitor=NULL");
-      else {
-        BasicLock * bl = (BasicLock *) mon->owner();
-        st->print("monitor={count=" INTPTR_FORMAT ",waiters=" INTPTR_FORMAT ",recursions=" INTPTR_FORMAT ",owner=" INTPTR_FORMAT "}",
-                mon->count(), mon->waiters(), mon->recursions(), p2i(bl));
-      }
     } else {
       st->print("??");
     }
--- a/src/share/vm/oops/method.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/oops/method.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -422,6 +422,11 @@
   if (!mh->init_method_counters(counters)) {
     MetadataFactory::free_metadata(mh->method_holder()->class_loader_data(), counters);
   }
+
+  if (LogTouchedMethods) {
+    mh->log_touched(CHECK_NULL);
+  }
+
   return mh->method_counters();
 }
 
@@ -2130,6 +2135,85 @@
 }
 #endif // INCLUDE_SERVICES
 
+// LogTouchedMethods and PrintTouchedMethods
+
+// TouchedMethodRecord -- we can't use a HashtableEntry<Method*> because
+// the Method may be garbage collected. Let's roll our own hash table.
+class TouchedMethodRecord : CHeapObj<mtTracing> {
+public:
+  // It's OK to store Symbols here because they will NOT be GC'ed if
+  // LogTouchedMethods is enabled.
+  TouchedMethodRecord* _next;
+  Symbol* _class_name;
+  Symbol* _method_name;
+  Symbol* _method_signature;
+};
+
+static const int TOUCHED_METHOD_TABLE_SIZE = 20011;
+static TouchedMethodRecord** _touched_method_table = NULL;
+
+void Method::log_touched(TRAPS) {
+
+  const int table_size = TOUCHED_METHOD_TABLE_SIZE;
+  Symbol* my_class = klass_name();
+  Symbol* my_name  = name();
+  Symbol* my_sig   = signature();
+
+  unsigned int hash = my_class->identity_hash() +
+                      my_name->identity_hash() +
+                      my_sig->identity_hash();
+  juint index = juint(hash) % table_size;
+
+  MutexLocker ml(TouchedMethodLog_lock, THREAD);
+  if (_touched_method_table == NULL) {
+    _touched_method_table = NEW_C_HEAP_ARRAY2(TouchedMethodRecord*, table_size,
+                                              mtTracing, CURRENT_PC);
+    memset(_touched_method_table, 0, sizeof(TouchedMethodRecord*)*table_size);
+  }
+
+  TouchedMethodRecord* ptr = _touched_method_table[index];
+  while (ptr) {
+    if (ptr->_class_name       == my_class &&
+        ptr->_method_name      == my_name &&
+        ptr->_method_signature == my_sig) {
+      return;
+    }
+    if (ptr->_next == NULL) break;
+    ptr = ptr->_next;
+  }
+  TouchedMethodRecord* nptr = NEW_C_HEAP_OBJ(TouchedMethodRecord, mtTracing);
+  my_class->set_permanent();  // prevent reclaimed by GC
+  my_name->set_permanent();
+  my_sig->set_permanent();
+  nptr->_class_name         = my_class;
+  nptr->_method_name        = my_name;
+  nptr->_method_signature   = my_sig;
+  nptr->_next               = NULL;
+
+  if (ptr == NULL) {
+    // first
+    _touched_method_table[index] = nptr;
+  } else {
+    ptr->_next = nptr;
+  }
+}
+
+void Method::print_touched_methods(outputStream* out) {
+  MutexLockerEx ml(Thread::current()->is_VM_thread() ? NULL : TouchedMethodLog_lock);
+  out->print_cr("# Method::print_touched_methods version 1");
+  if (_touched_method_table) {
+    for (int i = 0; i < TOUCHED_METHOD_TABLE_SIZE; i++) {
+      TouchedMethodRecord* ptr = _touched_method_table[i];
+      while(ptr) {
+        ptr->_class_name->print_symbol_on(out);       out->print(".");
+        ptr->_method_name->print_symbol_on(out);      out->print(":");
+        ptr->_method_signature->print_symbol_on(out); out->cr();
+        ptr = ptr->_next;
+      }
+    }
+  }
+}
+
 // Verification
 
 void Method::verify_on(outputStream* st) {
--- a/src/share/vm/oops/method.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/oops/method.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -625,6 +625,8 @@
 #if INCLUDE_SERVICES
   void collect_statistics(KlassSizeStats *sz) const;
 #endif
+  void log_touched(TRAPS);
+  static void print_touched_methods(outputStream* out);
 
   // interpreter support
   static ByteSize const_offset()                 { return byte_offset_of(Method, _constMethod       ); }
--- a/src/share/vm/oops/symbol.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/oops/symbol.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, 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
@@ -96,12 +96,16 @@
 // TempNewSymbol (passed in as a parameter) so the reference count on its symbol
 // will be decremented when it goes out of scope.
 
-
 // This cannot be inherited from ResourceObj because it cannot have a vtable.
 // Since sometimes this is allocated from Metadata, pick a base allocation
 // type without virtual functions.
 class ClassLoaderData;
 
+// Set _refcount to PERM_REFCOUNT to prevent the Symbol from being GC'ed.
+#ifndef PERM_REFCOUNT
+#define PERM_REFCOUNT -1
+#endif
+
 // We separate the fields in SymbolBase from Symbol::_body so that
 // Symbol::size(int) can correctly calculate the space needed.
 class SymbolBase : public MetaspaceObj {
@@ -160,6 +164,13 @@
   int refcount() const      { return _refcount; }
   void increment_refcount();
   void decrement_refcount();
+  // Set _refcount non zero to avoid being reclaimed by GC.
+  void set_permanent() {
+    assert(LogTouchedMethods, "Should not be called with LogTouchedMethods off");
+    if (_refcount != PERM_REFCOUNT) {
+      _refcount = PERM_REFCOUNT;
+    }
+  }
 
   int byte_at(int index) const {
     assert(index >=0 && index < _length, "symbol index overflow");
--- a/src/share/vm/runtime/arguments.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/arguments.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -277,6 +277,8 @@
   { "ParallelGCRetainPLAB",          JDK_Version::jdk(9), JDK_Version::jdk(10) },
   { "ThreadSafetyMargin",            JDK_Version::jdk(9), JDK_Version::jdk(10) },
   { "LazyBootClassLoader",           JDK_Version::jdk(9), JDK_Version::jdk(10) },
+  { "StarvationMonitorInterval",     JDK_Version::jdk(9), JDK_Version::jdk(10) },
+  { "PreInflateSpin",                JDK_Version::jdk(9), JDK_Version::jdk(10) },
   { NULL, JDK_Version(0), JDK_Version(0) }
 };
 
--- a/src/share/vm/runtime/globals.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/globals.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1291,7 +1291,7 @@
   experimental(intx, hashCode, 5,                                           \
                "(Unstable) select hashCode generation algorithm")           \
                                                                             \
-  experimental(intx, WorkAroundNPTLTimedWaitHang, 1,                        \
+  experimental(intx, WorkAroundNPTLTimedWaitHang, 0,                        \
                "(Unstable, Linux-specific) "                                \
                "avoid NPTL-FUTEX hang pthread_cond_timedwait")              \
                                                                             \
@@ -2717,6 +2717,12 @@
   develop(bool, EagerInitialization, false,                                 \
           "Eagerly initialize classes if possible")                         \
                                                                             \
+  diagnostic(bool, LogTouchedMethods, false,                                \
+          "Log methods which have been ever touched in runtime")            \
+                                                                            \
+  diagnostic(bool, PrintTouchedMethodsAtExit, false,                        \
+          "Print all methods that have been ever touched in runtime")       \
+                                                                            \
   develop(bool, TraceMethodReplacement, false,                              \
           "Print when methods are replaced do to recompilation")            \
                                                                             \
@@ -3282,9 +3288,6 @@
   develop(intx, ProfilerNodeSize,  1024,                                    \
           "Size in K to allocate for the Profile Nodes of each thread")     \
                                                                             \
-  product_pd(intx, PreInflateSpin,                                          \
-          "Number of times to spin wait before inflation")                  \
-                                                                            \
   /* gc parameters */                                                       \
   product(size_t, InitialHeapSize, 0,                                       \
           "Initial heap size (in bytes); zero means use ergonomics")        \
@@ -3725,9 +3728,6 @@
   develop(intx, LongCompileThreshold,     50,                               \
           "Used with +TraceLongCompiles")                                   \
                                                                             \
-  product(intx, StarvationMonitorInterval,    200,                          \
-          "Pause between each check (in milliseconds)")                     \
-                                                                            \
   /* recompilation */                                                       \
   product_pd(intx, CompileThreshold,                                        \
           "number of interpreted method invocations before (re-)compiling") \
@@ -4080,9 +4080,6 @@
   develop(bool, TraceDefaultMethods, false,                                 \
           "Trace the default method processing steps")                      \
                                                                             \
-  develop(bool, VerifyGenericSignatures, false,                             \
-          "Abort VM on erroneous or inconsistent generic signatures")       \
-                                                                            \
   diagnostic(bool, WhiteBoxAPI, false,                                      \
           "Enable internal testing APIs")                                   \
                                                                             \
--- a/src/share/vm/runtime/java.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/java.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -330,6 +330,10 @@
     SystemDictionary::print();
   }
 
+  if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
+    Method::print_touched_methods(tty);
+  }
+
   if (PrintBiasedLockingStatistics) {
     BiasedLocking::print_counters();
   }
@@ -382,6 +386,10 @@
   if (PrintNMTStatistics) {
     MemTracker::final_report(tty);
   }
+
+  if (LogTouchedMethods && PrintTouchedMethodsAtExit) {
+    Method::print_touched_methods(tty);
+  }
 }
 
 #endif
--- a/src/share/vm/runtime/mutexLocker.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/mutexLocker.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -63,6 +63,7 @@
 Mutex*   StringDedupTable_lock        = NULL;
 Monitor* CodeCache_lock               = NULL;
 Mutex*   MethodData_lock              = NULL;
+Mutex*   TouchedMethodLog_lock        = NULL;
 Mutex*   RetData_lock                 = NULL;
 Monitor* VMOperationQueue_lock        = NULL;
 Monitor* VMOperationRequest_lock      = NULL;
@@ -274,6 +275,7 @@
 
   def(Compile_lock                 , Mutex  , nonleaf+3,   true,  Monitor::_safepoint_check_sometimes);
   def(MethodData_lock              , Mutex  , nonleaf+3,   false, Monitor::_safepoint_check_always);
+  def(TouchedMethodLog_lock        , Mutex  , nonleaf+3,   false, Monitor::_safepoint_check_always);
 
   def(MethodCompileQueue_lock      , Monitor, nonleaf+4,   true,  Monitor::_safepoint_check_always);
   def(Debug2_lock                  , Mutex  , nonleaf+4,   true,  Monitor::_safepoint_check_never);
--- a/src/share/vm/runtime/mutexLocker.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/mutexLocker.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -55,6 +55,7 @@
 extern Mutex*   StringDedupTable_lock;           // a lock on the string deduplication table
 extern Monitor* CodeCache_lock;                  // a lock on the CodeCache, rank is special, use MutexLockerEx
 extern Mutex*   MethodData_lock;                 // a lock on installation of method data
+extern Mutex*   TouchedMethodLog_lock;           // a lock on allocation of LogExecutedMethods info
 extern Mutex*   RetData_lock;                    // a lock on installation of RetData inside method data
 extern Mutex*   DerivedPointerTableGC_lock;      // a lock to protect the derived pointer table
 extern Monitor* VMOperationQueue_lock;           // a lock on queue of vm_operations waiting to execute
--- a/src/share/vm/runtime/objectMonitor.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/objectMonitor.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2015, 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
@@ -103,8 +103,10 @@
 // The knob* variables are effectively final.  Once set they should
 // never be modified hence.  Consider using __read_mostly with GCC.
 
+int ObjectMonitor::Knob_ExitRelease = 0;
 int ObjectMonitor::Knob_Verbose     = 0;
 int ObjectMonitor::Knob_VerifyInUse = 0;
+int ObjectMonitor::Knob_VerifyMatch = 0;
 int ObjectMonitor::Knob_SpinLimit   = 5000;    // derived by an external tool -
 static int Knob_LogSpins            = 0;       // enable jvmstat tally for spins
 static int Knob_HandOff             = 0;
@@ -251,24 +253,6 @@
 // -----------------------------------------------------------------------------
 // Enter support
 
-bool ObjectMonitor::try_enter(Thread* THREAD) {
-  if (THREAD != _owner) {
-    if (THREAD->is_lock_owned ((address)_owner)) {
-      assert(_recursions == 0, "internal state error");
-      _owner = THREAD;
-      _recursions = 1;
-      return true;
-    }
-    if (Atomic::cmpxchg_ptr (THREAD, &_owner, NULL) != NULL) {
-      return false;
-    }
-    return true;
-  } else {
-    _recursions++;
-    return true;
-  }
-}
-
 void NOINLINE ObjectMonitor::enter(TRAPS) {
   // The following code is ordered to check the most common cases first
   // and to reduce RTS->RTO cache line upgrades on SPARC and IA32 processors.
@@ -2272,7 +2256,7 @@
 }
 
 inline void ObjectMonitor::AddWaiter(ObjectWaiter* node) {
-  assert(node != NULL, "should not dequeue NULL node");
+  assert(node != NULL, "should not add NULL node");
   assert(node->_prev == NULL, "node already in list");
   assert(node->_next == NULL, "node already in list");
   // put node at end of queue (circular doubly linked list)
@@ -2407,8 +2391,8 @@
   char * v = kvGet(kvList, Key);
   int rslt = v ? ::strtol(v, NULL, 0) : Default;
   if (Knob_ReportSettings && v != NULL) {
-    ::printf ("  SyncKnob: %s %d(%d)\n", Key, rslt, Default) ;
-    ::fflush(stdout);
+    tty->print_cr("INFO: SyncKnob: %s %d(%d)", Key, rslt, Default) ;
+    tty->flush();
   }
   return rslt;
 }
@@ -2442,8 +2426,10 @@
 
   #define SETKNOB(x) { Knob_##x = kvGetInt(knobs, #x, Knob_##x); }
   SETKNOB(ReportSettings);
+  SETKNOB(ExitRelease);
   SETKNOB(Verbose);
   SETKNOB(VerifyInUse);
+  SETKNOB(VerifyMatch);
   SETKNOB(FixedSpin);
   SETKNOB(SpinLimit);
   SETKNOB(SpinBase);
@@ -2477,7 +2463,9 @@
 
   if (os::is_MP()) {
     BackOffMask = (1 << Knob_SpinBackOff) - 1;
-    if (Knob_ReportSettings) ::printf("BackOffMask=%X\n", BackOffMask);
+    if (Knob_ReportSettings) {
+      tty->print_cr("INFO: BackOffMask=0x%X", BackOffMask);
+    }
     // CONSIDER: BackOffMask = ROUNDUP_NEXT_POWER2 (ncpus-1)
   } else {
     Knob_SpinLimit = 0;
--- a/src/share/vm/runtime/objectMonitor.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/objectMonitor.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2015, 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
@@ -196,8 +196,10 @@
   static PerfCounter * _sync_Deflations;
   static PerfLongVariable * _sync_MonExtant;
 
+  static int Knob_ExitRelease;
   static int Knob_Verbose;
   static int Knob_VerifyInUse;
+  static int Knob_VerifyMatch;
   static int Knob_SpinLimit;
 
   void* operator new (size_t size) throw() {
@@ -317,7 +319,6 @@
   void      print();
 #endif
 
-  bool      try_enter(TRAPS);
   void      enter(TRAPS);
   void      exit(bool not_suspended, TRAPS);
   void      wait(jlong millis, bool interruptable, TRAPS);
@@ -354,14 +355,14 @@
 #undef TEVENT
 #define TEVENT(nom) { if (SyncVerbose) FEVENT(nom); }
 
-#define FEVENT(nom)                 \
-  {                                 \
-    static volatile int ctr = 0;    \
-    int v = ++ctr;                  \
-    if ((v & (v - 1)) == 0) {       \
-      ::printf(#nom " : %d\n", v);  \
-      ::fflush(stdout);             \
-    }                               \
+#define FEVENT(nom)                             \
+  {                                             \
+    static volatile int ctr = 0;                \
+    int v = ++ctr;                              \
+    if ((v & (v - 1)) == 0) {                   \
+      tty->print_cr("INFO: " #nom " : %d", v);  \
+      tty->flush();                             \
+    }                                           \
   }
 
 #undef  TEVENT
--- a/src/share/vm/runtime/synchronizer.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/synchronizer.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -40,6 +40,7 @@
 #include "runtime/stubRoutines.hpp"
 #include "runtime/synchronizer.hpp"
 #include "runtime/thread.inline.hpp"
+#include "runtime/vframe.hpp"
 #include "utilities/dtrace.hpp"
 #include "utilities/events.hpp"
 #include "utilities/preserveException.hpp"
@@ -927,8 +928,9 @@
 
   if (ForceMonitorScavenge == 0 && Atomic::xchg (1, &ForceMonitorScavenge) == 0) {
     if (ObjectMonitor::Knob_Verbose) {
-      ::printf ("Monitor scavenge - Induced STW @%s (%d)\n", Whence, ForceMonitorScavenge) ;
-      ::fflush(stdout);
+      tty->print_cr("INFO: Monitor scavenge - Induced STW @%s (%d)",
+                    Whence, ForceMonitorScavenge) ;
+      tty->flush();
     }
     // Induce a 'null' safepoint to scavenge monitors
     // Must VM_Operation instance be heap allocated as the op will be enqueue and posted
@@ -937,8 +939,9 @@
     VMThread::execute(new VM_ForceAsyncSafepoint());
 
     if (ObjectMonitor::Knob_Verbose) {
-      ::printf ("Monitor scavenge - STW posted @%s (%d)\n", Whence, ForceMonitorScavenge) ;
-      ::fflush(stdout);
+      tty->print_cr("INFO: Monitor scavenge - STW posted @%s (%d)",
+                    Whence, ForceMonitorScavenge) ;
+      tty->flush();
     }
   }
 }
@@ -1603,10 +1606,11 @@
   // Consider: audit gFreeList to ensure that gMonitorFreeCount and list agree.
 
   if (ObjectMonitor::Knob_Verbose) {
-    ::printf("Deflate: InCirc=%d InUse=%d Scavenged=%d ForceMonitorScavenge=%d : pop=%d free=%d\n",
-             nInCirculation, nInuse, nScavenged, ForceMonitorScavenge,
-             gMonitorPopulation, gMonitorFreeCount);
-    ::fflush(stdout);
+    tty->print_cr("INFO: Deflate: InCirc=%d InUse=%d Scavenged=%d "
+                  "ForceMonitorScavenge=%d : pop=%d free=%d",
+                  nInCirculation, nInuse, nScavenged, ForceMonitorScavenge,
+                  gMonitorPopulation, gMonitorFreeCount);
+    tty->flush();
   }
 
   ForceMonitorScavenge = 0;    // Reset
@@ -1643,6 +1647,14 @@
   ReleaseJavaMonitorsClosure(Thread* thread) : THREAD(thread) {}
   void do_monitor(ObjectMonitor* mid) {
     if (mid->owner() == THREAD) {
+      if (ObjectMonitor::Knob_VerifyMatch != 0) {
+        Handle obj((oop) mid->object());
+        tty->print("INFO: unexpected locked object:");
+        javaVFrame::print_locked_object_class_name(tty, obj, "locked");
+        fatal(err_msg("exiting JavaThread=" INTPTR_FORMAT
+                      " unexpectedly owns ObjectMonitor=" INTPTR_FORMAT,
+                      THREAD, mid));
+      }
       (void)mid->complete_exit(CHECK);
     }
   }
--- a/src/share/vm/runtime/thread.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/thread.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1802,14 +1802,25 @@
   assert(!this->has_pending_exception(), "ensure_join should have cleared");
 
   // 6282335 JNI DetachCurrentThread spec states that all Java monitors
-  // held by this thread must be released.  A detach operation must only
-  // get here if there are no Java frames on the stack.  Therefore, any
-  // owned monitors at this point MUST be JNI-acquired monitors which are
-  // pre-inflated and in the monitor cache.
+  // held by this thread must be released. The spec does not distinguish
+  // between JNI-acquired and regular Java monitors. We can only see
+  // regular Java monitors here if monitor enter-exit matching is broken.
   //
-  // ensure_join() ignores IllegalThreadStateExceptions, and so does this.
-  if (exit_type == jni_detach && JNIDetachReleasesMonitors) {
-    assert(!this->has_last_Java_frame(), "detaching with Java frames?");
+  // Optionally release any monitors for regular JavaThread exits. This
+  // is provided as a work around for any bugs in monitor enter-exit
+  // matching. This can be expensive so it is not enabled by default.
+  // ObjectMonitor::Knob_ExitRelease is a superset of the
+  // JNIDetachReleasesMonitors option.
+  //
+  // ensure_join() ignores IllegalThreadStateExceptions, and so does
+  // ObjectSynchronizer::release_monitors_owned_by_thread().
+  if ((exit_type == jni_detach && JNIDetachReleasesMonitors) ||
+      ObjectMonitor::Knob_ExitRelease) {
+    // Sanity check even though JNI DetachCurrentThread() would have
+    // returned JNI_ERR if there was a Java frame. JavaThread exit
+    // should be done executing Java code by the time we get here.
+    assert(!this->has_last_Java_frame(),
+           "should not have a Java frame when detaching or exiting");
     ObjectSynchronizer::release_monitors_owned_by_thread(this);
     assert(!this->has_pending_exception(), "release_monitors should have cleared");
   }
--- a/src/share/vm/runtime/vframe.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/vframe.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -144,7 +144,7 @@
   return result;
 }
 
-static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) {
+void javaVFrame::print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) {
   if (obj.not_null()) {
     st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj());
     if (obj->klass() == SystemDictionary::Class_klass()) {
@@ -160,17 +160,29 @@
 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) {
   ResourceMark rm;
 
-  // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver.
+  // If this is the first frame and it is java.lang.Object.wait(...)
+  // then print out the receiver. Locals are not always available,
+  // e.g., compiled native frames have no scope so there are no locals.
   if (frame_count == 0) {
     if (method()->name() == vmSymbols::wait_name() &&
         method()->method_holder()->name() == vmSymbols::java_lang_Object()) {
+      const char *wait_state = "waiting on"; // assume we are waiting
+      // If earlier in the output we reported java.lang.Thread.State ==
+      // "WAITING (on object monitor)" and now we report "waiting on", then
+      // we are still waiting for notification or timeout. Otherwise if
+      // we earlier reported java.lang.Thread.State == "BLOCKED (on object
+      // monitor)", then we are actually waiting to re-lock the monitor.
+      // At this level we can't distinguish the two cases to report
+      // "waited on" rather than "waiting on" for the second case.
       StackValueCollection* locs = locals();
       if (!locs->is_empty()) {
         StackValue* sv = locs->at(0);
         if (sv->type() == T_OBJECT) {
           Handle o = locs->at(0)->get_obj();
-          print_locked_object_class_name(st, o, "waiting on");
+          print_locked_object_class_name(st, o, wait_state);
         }
+      } else {
+        st->print_cr("\t- %s <no object reference available>", wait_state);
       }
     } else if (thread()->current_park_blocker() != NULL) {
       oop obj = thread()->current_park_blocker();
@@ -179,8 +191,8 @@
     }
   }
 
-
-  // Print out all monitors that we have locked or are trying to lock
+  // Print out all monitors that we have locked, or are trying to lock,
+  // including re-locking after being notified or timing out in a wait().
   GrowableArray<MonitorInfo*>* mons = monitors();
   if (!mons->is_empty()) {
     bool found_first_monitor = false;
@@ -202,14 +214,14 @@
       if (monitor->owner() != NULL) {
         // the monitor is associated with an object, i.e., it is locked
 
-        // First, assume we have the monitor locked. If we haven't found an
-        // owned monitor before and this is the first frame, then we need to
-        // see if we have completed the lock or we are blocked trying to
-        // acquire it - we can only be blocked if the monitor is inflated
-
         markOop mark = NULL;
         const char *lock_state = "locked"; // assume we have the monitor locked
         if (!found_first_monitor && frame_count == 0) {
+          // If this is the first frame and we haven't found an owned
+          // monitor before, then we need to see if we have completed
+          // the lock or if we are blocked trying to acquire it. Only
+          // an inflated monitor that is first on the monitor list in
+          // the first frame can block us on a monitor enter.
           mark = monitor->owner()->mark();
           if (mark->has_monitor() &&
               ( // we have marked ourself as pending on this monitor
@@ -219,13 +231,35 @@
               )) {
             lock_state = "waiting to lock";
           } else {
-            mark = NULL; // Disable printing below
+            // We own the monitor which is not as interesting so
+            // disable the extra printing below.
+            mark = NULL;
+          }
+        } else if (frame_count != 0 && ObjectMonitor::Knob_Verbose) {
+          // This is not the first frame so we either own this monitor
+          // or we owned the monitor before and called wait(). Because
+          // wait() could have been called on any monitor in a lower
+          // numbered frame on the stack, we have to check all the
+          // monitors on the list for this frame.
+          // Note: Only enable this new output line in verbose mode
+          // since existing tests are not ready for it.
+          mark = monitor->owner()->mark();
+          if (mark->has_monitor() &&
+              ( // we have marked ourself as pending on this monitor
+                mark->monitor() == thread()->current_pending_monitor() ||
+                // we are not the owner of this monitor
+                !mark->monitor()->is_entered(thread())
+              )) {
+            lock_state = "waiting to re-lock in wait()";
+          } else {
+            // We own the monitor which is not as interesting so
+            // disable the extra printing below.
+            mark = NULL;
           }
         }
         print_locked_object_class_name(st, monitor->owner(), lock_state);
-        if (Verbose && mark != NULL) {
-          // match with format above, replacing "-" with " ".
-          st->print("\t  lockbits=");
+        if (ObjectMonitor::Knob_Verbose && mark != NULL) {
+          st->print("\t- lockbits=");
           mark->print_on(st);
           st->cr();
         }
--- a/src/share/vm/runtime/vframe.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/vframe.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, 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
@@ -135,7 +135,8 @@
   // Return an array of monitors locked by this frame in the youngest to oldest order
   GrowableArray<MonitorInfo*>* locked_monitors();
 
-  // printing used during stack dumps
+  // printing used during stack dumps and diagnostics
+  static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state);
   void print_lock_info_on(outputStream* st, int frame_count);
   void print_lock_info(int frame_count) { print_lock_info_on(tty, frame_count); }
 
--- a/src/share/vm/runtime/vm_operations.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/runtime/vm_operations.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -101,6 +101,7 @@
   template(WhiteBoxOperation)                     \
   template(ClassLoaderStatsOperation)             \
   template(DumpHashtable)                         \
+  template(DumpTouchedMethods)                    \
   template(MarkActiveNMethods)                    \
   template(PrintCompileQueue)                     \
   template(PrintCodeList)                         \
--- a/src/share/vm/services/diagnosticCommand.cpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/services/diagnosticCommand.cpp	Thu Jul 16 10:22:08 2015 -0700
@@ -74,6 +74,7 @@
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<TouchedMethodsDCmd>(full_export, true, false));
 
   // Enhanced JMX Agent Support
   // These commands won't be exported via the DiagnosticCommandMBean until an
@@ -808,3 +809,35 @@
 }
 
 #endif
+
+class VM_DumpTouchedMethods : public VM_Operation {
+private:
+  outputStream* _out;
+public:
+  VM_DumpTouchedMethods(outputStream* out) {
+    _out = out;
+  }
+
+  virtual VMOp_Type type() const { return VMOp_DumpTouchedMethods; }
+
+  virtual void doit() {
+    Method::print_touched_methods(_out);
+  }
+};
+
+TouchedMethodsDCmd::TouchedMethodsDCmd(outputStream* output, bool heap) :
+                                       DCmdWithParser(output, heap)
+{}
+
+void TouchedMethodsDCmd::execute(DCmdSource source, TRAPS) {
+  if (!UnlockDiagnosticVMOptions) {
+    output()->print_cr("VM.touched_methods command requires -XX:+UnlockDiagnosticVMOptions");
+    return;
+  }
+  VM_DumpTouchedMethods dumper(output());
+  VMThread::execute(&dumper);
+}
+
+int TouchedMethodsDCmd::num_arguments() {
+  return 0;
+}
--- a/src/share/vm/services/diagnosticCommand.hpp	Tue Mar 31 21:46:44 2015 +0200
+++ b/src/share/vm/services/diagnosticCommand.hpp	Thu Jul 16 10:22:08 2015 -0700
@@ -35,6 +35,7 @@
 #include "services/diagnosticFramework.hpp"
 #include "utilities/macros.hpp"
 #include "utilities/ostream.hpp"
+#include "oops/method.hpp"
 
 class HelpDCmd : public DCmdWithParser {
 protected:
@@ -341,6 +342,22 @@
   virtual void execute(DCmdSource source, TRAPS);
 };
 
+class TouchedMethodsDCmd : public DCmdWithParser {
+public:
+  TouchedMethodsDCmd(outputStream* output, bool heap);
+  static const char* name() {
+    return "VM.print_touched_methods";
+  }
+  static const char* description() {
+    return "Print all methods that have ever been touched during the lifetime of this JVM.";
+  }
+  static const char* impact() {
+    return "Medium: Depends on Java content.";
+  }
+  static int num_arguments();
+  virtual void execute(DCmdSource source, TRAPS);
+};
+
 // See also: thread_dump in attachListener.cpp
 class ThreadDumpDCmd : public DCmdWithParser {
 protected:
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/CommandLine/PrintTouchedMethods.java	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2015, 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 8025692
+ * @modules java.base/sun.misc
+ *          java.management
+ * @library /testlibrary
+ * @compile TestLogTouchedMethods.java PrintTouchedMethods.java
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+LogTouchedMethods PrintTouchedMethods
+ */
+
+import java.io.File;
+import java.util.List;
+import jdk.test.lib.*;
+
+public class PrintTouchedMethods {
+
+    public static void main(String args[]) throws Exception {
+      String[] javaArgs1 = {"-XX:-UnlockDiagnosticVMOptions", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"};
+      ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(javaArgs1);
+
+      // UnlockDiagnostic turned off, should fail
+      OutputAnalyzer output = new OutputAnalyzer(pb.start());
+      output.shouldContain("Error: VM option 'LogTouchedMethods' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.");
+      output.shouldContain("Error: Could not create the Java Virtual Machine.");
+
+      String[] javaArgs2 = {"-XX:+UnlockDiagnosticVMOptions", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"};
+      pb = ProcessTools.createJavaProcessBuilder(javaArgs2);
+      output = new OutputAnalyzer(pb.start());
+      // check order:
+      // 1 "# Method::print_touched_methods version 1" is the first in first line
+      // 2 should contain TestLogMethods.methodA:()V
+      // 3 should not contain TestLogMethods.methodB:()V
+      // Repeat above for another run with -Xint
+      List<String> lines = output.asLines();
+
+      if (lines.size() < 1) {
+        throw new Exception("Empty output");
+      }
+
+      String first = lines.get(0);
+      if (!first.equals("# Method::print_touched_methods version 1")) {
+        throw new Exception("First line mismatch");
+      }
+
+      output.shouldContain("TestLogTouchedMethods.methodA:()V");
+      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
+      output.shouldHaveExitValue(0);
+
+      String[] javaArgs3 = {"-XX:+UnlockDiagnosticVMOptions", "-Xint", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"};
+      pb = ProcessTools.createJavaProcessBuilder(javaArgs3);
+      output = new OutputAnalyzer(pb.start());
+      lines = output.asLines();
+
+      if (lines.size() < 1) {
+        throw new Exception("Empty output");
+      }
+
+      first = lines.get(0);
+      if (!first.equals("# Method::print_touched_methods version 1")) {
+        throw new Exception("First line mismatch");
+      }
+
+      output.shouldContain("TestLogTouchedMethods.methodA:()V");
+      output.shouldNotContain("TestLogTouchedMethods.methodB:()V");
+      output.shouldHaveExitValue(0);
+
+      // Test jcmd PrintTouchedMethods VM.print_touched_methods
+      String pid = Integer.toString(ProcessTools.getProcessId());
+      pb = new ProcessBuilder();
+      pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.print_touched_methods"});
+      output = new OutputAnalyzer(pb.start());
+      try {
+        output.shouldContain("PrintTouchedMethods.main:([Ljava/lang/String;)V");
+      } catch (RuntimeException e) {
+        output.shouldContain("Unknown diagnostic command");
+      }
+  }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/CommandLine/TestLogTouchedMethods.java	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/* used by PrintTouchedMethods.java */
+public class TestLogTouchedMethods {
+  public static void main(String[] args) {
+    new TestLogTouchedMethods().methodA();
+  }
+
+  public void methodA() {} // called
+  public void methodB() {} // this should not be called
+}
--- a/test/runtime/ErrorHandling/CreateCoredumpOnCrash.java	Tue Mar 31 21:46:44 2015 +0200
+++ b/test/runtime/ErrorHandling/CreateCoredumpOnCrash.java	Thu Jul 16 10:22:08 2015 -0700
@@ -46,16 +46,8 @@
         runTest("-XX:-CreateCoredumpOnCrash").shouldContain("CreateCoredumpOnCrash turned off, no core file dumped");
 
         if (Platform.isWindows()) {
-            runTest("-XX:+CreateCoredumpOnCrash").shouldContain("Core dump will be written. Default location");
-
             // The old CreateMinidumpOnCrash option should still work
-            runTest("-XX:+CreateMinidumpOnCrash").shouldContain("Core dump will be written. Default location");
             runTest("-XX:-CreateMinidumpOnCrash").shouldContain("CreateCoredumpOnCrash turned off, no core file dumped");
-
-            if (Platform.isDebugBuild()) {
-                // Make sure we create dumps on Windows debug builds by default
-                runTest("-Ddummyopt=false").shouldContain("Core dump will be written. Default location");
-            }
         } else {
             runTest("-XX:+CreateCoredumpOnCrash").shouldNotContain("CreateCoredumpOnCrash turned off, no core file dumped");
         }
--- a/test/runtime/ErrorHandling/TestOnError.java	Tue Mar 31 21:46:44 2015 +0200
+++ b/test/runtime/ErrorHandling/TestOnError.java	Thu Jul 16 10:22:08 2015 -0700
@@ -45,6 +45,7 @@
         // Execute the VM so that a
         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
            "-XX:-TransmitErrorReport",
+           "-XX:-CreateCoredumpOnCrash",
            "-XX:ErrorHandlerTest=12", // trigger potential SEGV
            "-XX:OnError=echo " + msg,
            TestOnError.class.getName());
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/classFileParserBug/BadInitMethod.java	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2015, 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 8130669
+ * @summary VM prohibits <clinit> methods with return values
+ * @compile ignoredClinit.jasm
+ * @compile badInit.jasm
+ * @run main/othervm -Xverify:all BadInitMethod
+ */
+
+// Test that a non-void <clinit> method does not cause an exception to be
+// thrown.  But that a non-void <init> method causes a ClassFormatError
+// exception.
+public class BadInitMethod {
+    public static void main(String args[]) throws Throwable {
+
+        System.out.println("Regression test for bug 8130669");
+        try {
+            Class newClass = Class.forName("ignoredClinit");
+        } catch (java.lang.Throwable e) {
+            throw new RuntimeException("Unexpected exception: " + e.getMessage());
+        }
+
+        try {
+            Class newClass = Class.forName("badInit");
+            throw new RuntimeException("Expected ClassFormatError exception not thrown");
+        } catch (java.lang.ClassFormatError e) {
+            System.out.println("Test BadInitMethod passed");
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/classFileParserBug/EnclosingMethod.java	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2015, 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 8130183
+ * @summary For InnerClasses attribute, VM permits inner_class_info_index value of zero
+ * @compile badEnclMthd.jcod
+ * @run main/othervm -Xverify:all EnclosingMethod
+ */
+
+// Test that an EnclosingMethod attribute with the value of 0 causes a ClassFormatError.
+public class EnclosingMethod {
+    public static void main(String args[]) throws Throwable {
+
+        System.out.println("Regression test for bug 8130183");
+        try {
+            Class newClass = Class.forName("badEnclMthd");
+            throw new RuntimeException("Expected ClassFormatError exception not thrown");
+        } catch (java.lang.ClassFormatError e) {
+            System.out.println("Test EnclosingMethod passed");
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/classFileParserBug/badEnclMthd.jcod	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2015, 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.
+ *
+ */
+
+// Source: badEnclMthd
+class badEnclMthd {
+    0xCAFEBABE;
+    0; // minor version
+    50; // major version
+    [] { // Constant Pool
+        ; // first element is empty
+        Utf8 "badEnclMthd"; // #1
+        class #1; // #2
+        Utf8 "java/lang/Object"; // #3
+        class #3; // #4
+        Utf8 "InnerClasses"; // #5
+        Utf8 "badEnclMthd"; // #6
+        class #6; // #7
+        Utf8 "badEnclMthd"; // #8
+        class #8; // #9
+    } // Constant Pool
+    0x0001; // access  public
+    #2;// this_cpx
+    #4;// super_cpx
+    [] { // interfaces
+    } // interfaces
+    [] { // fields
+    } // fields
+    [] { // methods
+    } // methods
+    [] { // attributes
+        Attr(#5) { // InnerClasses
+            [] { // InnerClasses
+                #0 #2 #6 1;  // Bad inner_class_info_index of 0 !!!
+                #9 #0 #8 1;
+            }
+        } // end InnerClasses
+        ;
+    } // attributes
+} // end class badEnclMthd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/classFileParserBug/badInit.jasm	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2015, 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.
+ *
+ */
+
+super public class badInit
+    version 52:0
+{
+
+
+// This <init> method has a non-void signature.  It should cause a
+// ClassFormatError exception.
+Method "<init>":"(I)I"
+    stack 1 locals 2
+{
+    aload_0;
+    invokespecial    Method java/lang/Object."<init>":"()V";
+    iconst_4;
+    ireturn;
+}
+
+public static Method main:"([Ljava/lang/String;)V"
+    stack 0 locals 1
+{
+    return;
+}
+
+} // end Class badInit
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/classFileParserBug/ignoredClinit.jasm	Thu Jul 16 10:22:08 2015 -0700
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2015, 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.
+ *
+ */
+
+// This class contains a <clinit> method with signature: ()I.  The JVM should
+// not complain about this because methods named <clinit> that have arguments
+// and/or are not void should be ignored by the JVM.
+
+public class ignoredClinit version 51:0
+{
+
+    public static Method "<clinit>":"()I"
+    stack 1 locals 1
+    {
+        iconst_0;
+        ireturn;
+    }
+
+} // end Class ignoredClinit
--- a/test/runtime/memory/ReserveMemory.java	Tue Mar 31 21:46:44 2015 +0200
+++ b/test/runtime/memory/ReserveMemory.java	Thu Jul 16 10:22:08 2015 -0700
@@ -60,6 +60,7 @@
           "-XX:+UnlockDiagnosticVMOptions",
           "-XX:+WhiteBoxAPI",
           "-XX:-TransmitErrorReport",
+          "-XX:-CreateCoredumpOnCrash",
           "-Xmx32m",
           "ReserveMemory",
           "test");
--- a/test/serviceability/hprof/cpu002.java	Tue Mar 31 21:46:44 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2015, 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 8076421
- * @summary Test of hprof option crashes Zero
- * @compile cpu002.java
- * @run main/othervm -Xrunhprof:cpu=times,file=cpu002.hprof.out cpu002
- */
-
-import java.io.*;
-
-public class cpu002 {
-    public static final int PASSED = 0;
-    public static final int FAILED = 2;
-    public static final int JCK_STATUS_BASE = 95;
-
-    public static void main (String argv[]) {
-        System.exit(run(argv,System.out) + JCK_STATUS_BASE);
-    }
-
-    public static int run(String argv[], PrintStream out) {
-        return PASSED;
-    }
-}
--- a/test/serviceability/sa/TestStackTrace.java	Tue Mar 31 21:46:44 2015 +0200
+++ b/test/serviceability/sa/TestStackTrace.java	Thu Jul 16 10:22:08 2015 -0700
@@ -34,6 +34,7 @@
  * @test
  * @library /../../test/lib/share/classes
  * @library /testlibrary
+ * @ignore 8129971
  * @build jdk.test.lib.*
  * @build jdk.test.lib.apps.*
  * @run main TestStackTrace