--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotReplacementsUtil.java	Mon Jul 15 10:48:10 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotReplacementsUtil.java	Mon Jul 15 10:50:33 2013 +0200
@@ -351,7 +351,7 @@
     }
 
     @Fold
-    public static int headerSize() {
+    public static int instanceHeaderSize() {
         return config().useCompressedKlassPointers ? (2 * wordSize()) - 4 : 2 * wordSize();
     }
 

--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java	Mon Jul 15 10:48:10 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java	Mon Jul 15 10:50:33 2013 +0200
@@ -203,12 +203,12 @@
             if (size <= MAX_UNROLLED_OBJECT_ZEROING_SIZE) {
                 new_seqInit.inc();
                 explodeLoop();
-                for (int offset = headerSize(); offset < size; offset += wordSize()) {
+                for (int offset = instanceHeaderSize(); offset < size; offset += wordSize()) {
                     memory.writeWord(offset, Word.zero(), ANY_LOCATION);
                 }
             } else {
                 new_loopInit.inc();
-                for (int offset = headerSize(); offset < size; offset += wordSize()) {
+                for (int offset = instanceHeaderSize(); offset < size; offset += wordSize()) {
                     memory.writeWord(offset, Word.zero(), ANY_LOCATION);
                 }
             }

--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneSnippets.java	Mon Jul 15 10:48:10 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectCloneSnippets.java	Mon Jul 15 10:50:33 2013 +0200
@@ -57,7 +57,7 @@
         Object result = NewObjectSnippets.allocateInstance(instanceSize, hub, prototypeMarkWord, useG1GC());
 
         Pointer memory = Word.fromObject(result);
-        for (int offset = headerSize(); offset < instanceSize; offset += wordSize()) {
+        for (int offset = instanceHeaderSize(); offset < instanceSize; offset += wordSize()) {
             memory.writeWord(offset, Word.fromObject(src).readWord(offset, ANY_LOCATION), ANY_LOCATION);
         }
 

--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/NewInstanceStub.java	Mon Jul 15 10:48:10 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/stubs/NewInstanceStub.java	Mon Jul 15 10:50:33 2013 +0200
@@ -94,7 +94,7 @@
                 if (memory.notEqual(0)) {
                     Word prototypeMarkWord = hub.readWord(prototypeMarkWordOffset(), PROTOTYPE_MARK_WORD_LOCATION);
                     initializeObjectHeader(memory, prototypeMarkWord, hub);
-                    for (int offset = headerSize(); offset < sizeInBytes; offset += wordSize()) {
+                    for (int offset = instanceHeaderSize(); offset < sizeInBytes; offset += wordSize()) {
                         memory.writeWord(offset, Word.zero(), ANY_LOCATION);
                     }
                     return verifyObject(memory.toObject());