--- old/src/cpu/x86/vm/macroAssembler_x86.cpp	2017-03-13 09:58:14.632652413 +0100
+++ new/src/cpu/x86/vm/macroAssembler_x86.cpp	2017-03-13 09:58:10.753653833 +0100
@@ -11206,3 +11206,11 @@
 }
 
 #endif
+
+static void halt() {
+  ShouldNotReachHere();
+}
+
+void MacroAssembler::halt() {
+  call(RuntimeAddress(CAST_FROM_FN_PTR(address, ::halt)));
+}