Handle retry-after-gc failures within LoadIC::Load and StoreIC::Store.

src/accessors.h

Index: src/accessors.h
diff --git a/src/accessors.h b/src/accessors.h
index 0740d92e56bc962e4a36085bc25a8ba29559ef03..9a83ab8a85ed181ff3616cca18c467dbcbba107c 100644
--- a/src/accessors.h
+++ b/src/accessors.h
@@ -79,6 +79,8 @@ class Accessors : public AllStatic {
   // Accessor functions called directly from the runtime system.
   MUST_USE_RESULT static MaybeObject* FunctionGetPrototype(Object* object,
                                                            void*);
+  static Handle<Object> FunctionGetPrototype(Handle<Object> object);
+
   MUST_USE_RESULT static MaybeObject* FunctionSetPrototype(JSObject* object,
                                                       Object* value,
                                                       void*);