--- old/src/cpu/x86/vm/macroAssembler_x86.hpp	2017-06-16 19:46:51.163015248 -0400
+++ new/src/cpu/x86/vm/macroAssembler_x86.hpp	2017-06-16 19:46:51.039009052 -0400
@@ -628,7 +628,7 @@
 
   void untested()                                { stop("untested"); }
 
-  void unimplemented(const char* what = "")      { char* b = new char[1024];  jio_snprintf(b, 1024, "unimplemented: %s", what);  stop(b); }
+  void unimplemented(const char* what = "");
 
   void should_not_reach_here()                   { stop("should not reach here"); }