--- old/src/share/vm/adlc/archDesc.cpp	2015-05-29 13:57:37.853083222 +0200
+++ new/src/share/vm/adlc/archDesc.cpp	2015-05-29 13:57:37.697083230 +0200
@@ -934,7 +934,7 @@
 void ArchDesc::set_stack_or_reg(const char *reg_class_name) {
   if( _register ) {
     RegClass *reg_class  = _register->getRegClass(reg_class_name);
-    reg_class->_stack_or_reg = true;
+    reg_class->set_stack_version(true);
   }
 }