--- old/src/share/vm/c1/c1_FrameMap.cpp	2014-04-24 15:53:09.000000000 -1000
+++ new/src/share/vm/c1/c1_FrameMap.cpp	2014-04-24 15:53:09.000000000 -1000
@@ -327,7 +327,7 @@
 VMReg FrameMap::regname(LIR_Opr opr) const {
   if (opr->is_single_cpu()) {
     assert(!opr->is_virtual(), "should not see virtual registers here");
-    return opr->as_register()->as_VMReg();
+    return opr->as_register().as_VMReg();
   } else if (opr->is_single_stack()) {
     return sp_offset2vmreg(sp_offset_for_slot(opr->single_stack_ix()));
   } else if (opr->is_address()) {