diff -r 6470230caf2a -r 9ffa0d7ed932 src/cpu/x86/vm/frame_x86.inline.hpp
--- a/src/cpu/x86/vm/frame_x86.inline.hpp	Mon Jun 19 22:49:52 2017 +0000
+++ b/src/cpu/x86/vm/frame_x86.inline.hpp	Mon Jun 26 02:04:40 2017 -0700
@@ -96,6 +96,7 @@
   // call a specialized frame constructor instead of this one.
   // Then we could use the assert below. However this assert is of somewhat dubious
   // value.
+  // UPDATE: this constructor is only used by trace_method_handle_stub() now.
   // assert(_pc != NULL, "no pc?");
 
   _cb = CodeCache::find_blob(_pc);