--- old/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp	2018-02-21 14:55:46.000000000 +0000
+++ new/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp	2018-02-21 14:55:46.000000000 +0000
@@ -369,6 +369,7 @@
   // Recover CPU state
   __ pop_CPU_state();
   // Get the rbp described implicitly by the calling convention (no oopMap)
+  __ stop("Loom sharedRuntime_x86_64.cpp L 372");
   __ pop(rbp);
 }