Revert of Revert of [strong] Implement strong mode restrictions on property access

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index 4492434942436ac725e54b68f193af904e768607..3cc400a2358766b242fe8d239821e47c4f2eab9d 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -683,7 +683,7 @@
   void CallIC(Handle<Code> code,
               TypeFeedbackId id = TypeFeedbackId::None());
 
-  void CallLoadIC(ContextualMode mode,
+  void CallLoadIC(ContextualMode mode, LanguageMode language_mode = SLOPPY,
                   TypeFeedbackId id = TypeFeedbackId::None());
   void CallGlobalLoadIC(Handle<String> name);
   void CallStoreIC(TypeFeedbackId id = TypeFeedbackId::None());