--- a/hotspot/src/share/vm/adlc/archDesc.cpp	Wed Apr 03 15:00:55 2013 -0700
+++ b/hotspot/src/share/vm/adlc/archDesc.cpp	Thu Apr 04 09:18:47 2013 +0200
@@ -832,6 +832,7 @@
     int         length  = (int)strlen(rc_name) + (int)strlen(mask) + 5;
     char       *regMask = new char[length];
     sprintf(regMask,"%s%s()", rc_name, mask);
+    delete[] rc_name;
     return regMask;
   }
 }