Re-landing of "replace TrySync with Metadata".

runtime/vm/stack_frame.h

Index: runtime/vm/stack_frame.h
diff --git a/runtime/vm/stack_frame.h b/runtime/vm/stack_frame.h
index dfadde2bd0354182cee738a53de1c2e339fdbea0..1d5c6100518347c0190b12e5511be46f17e43b6a 100644
--- a/runtime/vm/stack_frame.h
+++ b/runtime/vm/stack_frame.h
@@ -101,7 +101,8 @@ class StackFrame : public ValueObject {
   bool FindExceptionHandler(Thread* thread,
                             uword* handler_pc,
                             bool* needs_stacktrace,
-                            bool* is_catch_all) const;
+                            bool* is_catch_all,
+                            bool* is_optimized) const;
   // Returns token_pos of the pc(), or -1 if none exists.
   TokenPosition GetTokenPos() const;