Catch exceptions thrown when enqueuing change records.

src/accessors.h

Index: src/accessors.h
diff --git a/src/accessors.h b/src/accessors.h
index 1677c1da3b4c85968d0b23e94e11fe3682942574..678064df168f0c977209d5b259b5926e239c179e 100644
--- a/src/accessors.h
+++ b/src/accessors.h
@@ -66,8 +66,8 @@ class Accessors : public AllStatic {
   };
 
   // Accessor functions called directly from the runtime system.
-  static Handle<Object> FunctionSetPrototype(Handle<JSFunction> object,
-                                             Handle<Object> value);
+  MUST_USE_RESULT static MaybeHandle<Object> FunctionSetPrototype(
+      Handle<JSFunction> object, Handle<Object> value);
   static Handle<Object> FunctionGetArguments(Handle<JSFunction> object);
 
   // Accessor infos.