[strong] Implement strong mode restrictions on property access

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index e26fc092fa6e647ce59faf70cd2c86a534b70e23..2414ff966c850b10d911c7cb7cb3fb9bb8692b3e 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -32,12 +32,16 @@ class Callable final BASE_EMBEDDED {
 class CodeFactory final {
  public:
   // Initial states for ICs.
-  static Callable LoadIC(Isolate* isolate, ContextualMode mode);
+  static Callable LoadIC(Isolate* isolate, ContextualMode mode,
+                         LanguageMode language_mode);
   static Callable LoadICInOptimizedCode(Isolate* isolate, ContextualMode mode,
-                                        InlineCacheState initialization_state);
-  static Callable KeyedLoadIC(Isolate* isolate);
+                                        InlineCacheState initialization_state,
+                                        LanguageMode language_mode = SLOPPY);
+  static Callable KeyedLoadIC(Isolate* isolate,
+                              LanguageMode language_mode = SLOPPY);
   static Callable KeyedLoadICInOptimizedCode(
-      Isolate* isolate, InlineCacheState initialization_state);
+      Isolate* isolate, InlineCacheState initialization_state,
+      LanguageMode language_mode);

[Michael Starzinger, 2015/06/09 10:56:11]

nit: I think the language mode should be the second argument, so that this
signature continues to be an extension of the KeyedLoadIC above.

[conradw, 2015/06/09 11:20:30]

Done.

   static Callable CallIC(Isolate* isolate, int argc,
                          CallICState::CallType call_type);
   static Callable CallICInOptimizedCode(Isolate* isolate, int argc,