--- old/src/share/vm/opto/callnode.cpp	2015-06-12 14:28:03.285424328 +0200
+++ new/src/share/vm/opto/callnode.cpp	2015-06-12 14:28:01.949197122 +0200
@@ -724,6 +724,26 @@
 //
 bool CallNode::may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase) {
   assert((t_oop != NULL), "sanity");
+  if (is_call_to_arraycopystub()) {
+    const TypeTuple* args = _tf->domain();
+    Node* dest = NULL;
+    // Stubs that can be called once an ArrayCopyNode is expanded have
+    // different signatures. Look for the second pointer argument,
+    // that is the destination of the copy.
+    for (uint i = TypeFunc::Parms, j = 0; i < args->cnt(); i++) {
+      if (args->field_at(i)->isa_ptr()) {
+        j++;
+        if (j == 2) {
+          dest = in(i);
+          break;
+        }
+      }
+    }
+    if (!dest->is_top() && may_modify_arraycopy_helper(phase->type(dest)->is_oopptr(), t_oop, phase)) {
+      return true;
+    }
+    return false;
+  }
   if (t_oop->is_known_instance()) {
     // The instance_id is set only for scalar-replaceable allocations which
     // are not passed as arguments according to Escape Analysis.
@@ -909,6 +929,12 @@
   return SafePointNode::Ideal(phase, can_reshape);
 }
 
+bool CallNode::is_call_to_arraycopystub() const {
+  if (_name != NULL && strstr(_name, "arraycopy") != 0) {
+    return true;
+  }
+  return false;
+}
 
 //=============================================================================
 uint CallJavaNode::size_of() const { return sizeof(*this); }
@@ -1007,14 +1033,6 @@
 
 
 //=============================================================================
-bool CallLeafNode::is_call_to_arraycopystub() const {
-  if (_name != NULL && strstr(_name, "arraycopy") != 0) {
-    return true;
-  }
-  return false;
-}
-
-
 #ifndef PRODUCT
 void CallLeafNode::dump_spec(outputStream *st) const {
   st->print("# ");
@@ -1930,26 +1948,3 @@
   return true;
 }
 
-bool CallLeafNode::may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase) {
-  if (is_call_to_arraycopystub()) {
-    const TypeTuple* args = _tf->domain();
-    Node* dest = NULL;
-    // Stubs that can be called once an ArrayCopyNode is expanded have
-    // different signatures. Look for the second pointer argument,
-    // that is the destination of the copy.
-    for (uint i = TypeFunc::Parms, j = 0; i < args->cnt(); i++) {
-      if (args->field_at(i)->isa_ptr()) {
-        j++;
-        if (j == 2) {
-          dest = in(i);
-          break;
-        }
-      }
-    }
-    if (!dest->is_top() && may_modify_arraycopy_helper(phase->type(dest)->is_oopptr(), t_oop, phase)) {
-      return true;
-    }
-    return false;
-  }
-  return CallNode::may_modify(t_oop, phase);
-}