changeset 1366:2432acbee618

6930035: C2 type system incorrectly handles case j.l.Object->meet(constant AryPtr) Summary: Add missing code. Reviewed-by: never
author kvn
date Thu, 25 Feb 2010 15:55:47 -0800
parents da9559b49b84
children 336c6c200f5f
files src/share/vm/opto/type.cpp
diffstat 1 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/opto/type.cpp	Thu Feb 25 11:38:50 2010 -0800
+++ b/src/share/vm/opto/type.cpp	Thu Feb 25 15:55:47 2010 -0800
@@ -2809,7 +2809,8 @@
         // then we can subclass in the Java class hierarchy.
         if (klass()->equals(ciEnv::current()->Object_klass())) {
           // that is, tp's array type is a subtype of my klass
-          return TypeAryPtr::make(ptr, tp->ary(), tp->klass(), tp->klass_is_exact(), offset, instance_id);
+          return TypeAryPtr::make(ptr, (ptr == Constant ? tp->const_oop() : NULL),
+                                  tp->ary(), tp->klass(), tp->klass_is_exact(), offset, instance_id);
         }
       }
       // The other case cannot happen, since I cannot be a subtype of an array.
@@ -3415,7 +3416,8 @@
         // then we can subclass in the Java class hierarchy.
         if( tp->klass()->equals(ciEnv::current()->Object_klass()) ) {
           // that is, my array type is a subtype of 'tp' klass
-          return make( ptr, _ary, _klass, _klass_is_exact, offset, instance_id );
+          return make( ptr, (ptr == Constant ? const_oop() : NULL),
+                       _ary, _klass, _klass_is_exact, offset, instance_id );
         }
       }
       // The other case cannot happen, since t cannot be a subtype of an array.