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changeset 8897:1a8a0375ba74

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unsafeCast: anchor cast after initialization of an object
author Bernhard Urban <bernhard.urban@jku.at>
date Tue, 02 Apr 2013 12:14:15 +0200
parents aa291d601ee8
children 9f56bb503db4
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java
diffstat 1 files changed, 4 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java	Mon Apr 08 17:09:10 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java	Tue Apr 02 12:14:15 2013 +0200
@@ -91,7 +91,10 @@
             }
             result = memory.toObject();
         }
-        return unsafeCast(verifyOop(result), StampFactory.forNodeIntrinsic());
+        /* make sure that the unsafeCast is anchored after initialization,
+         * see ReadAfterCheckCast and CheckCastSnippets */
+        BeginNode anchorNode = BeginNode.anchor(StampFactory.forNodeIntrinsic());
+        return unsafeCast(verifyOop(result), StampFactory.forNodeIntrinsic(), anchorNode);
     }
 
     @Snippet