--- old/src/share/vm/gc_implementation/g1/g1YCTypes.hpp	2015-04-15 12:34:19.705882557 +0200
+++ new/src/share/vm/gc_implementation/g1/g1YCTypes.hpp	2015-04-15 12:34:19.533876775 +0200
@@ -43,7 +43,7 @@
       case InitialMark: return "Initial Mark";
       case DuringMark: return "During Mark";
       case Mixed: return "Mixed";
-      default: ShouldNotReachHere(); return NULL;
+      default: ShouldNotReachHere();
     }
   }
 };