Merge arguments branch to bleeding edge (second try).

src/ic.h

Index: src/ic.h
diff --git a/src/ic.h b/src/ic.h
index 7af09ee3aab18e50633717a4a18a69741dfaf6ed..2cf0543c4c8b35c0f7c8d3b3bb7f7cc7a112acf4 100644
--- a/src/ic.h
+++ b/src/ic.h
@@ -283,6 +283,7 @@ class KeyedCallIC: public CallICBase {
   static void GenerateMiss(MacroAssembler* masm, int argc);
   static void GenerateMegamorphic(MacroAssembler* masm, int argc);
   static void GenerateNormal(MacroAssembler* masm, int argc);
+  static void GenerateNonStrictArguments(MacroAssembler* masm, int argc);
 };
 
 
@@ -408,8 +409,8 @@ class KeyedLoadIC: public KeyedIC {
   }
   static void GenerateGeneric(MacroAssembler* masm);
   static void GenerateString(MacroAssembler* masm);
-
   static void GenerateIndexedInterceptor(MacroAssembler* masm);
+  static void GenerateNonStrictArguments(MacroAssembler* masm);
 
   // Bit mask to be tested against bit field for the cases when
   // generic stub should go into slow case.
@@ -467,6 +468,10 @@ class KeyedLoadIC: public KeyedIC {
     return isolate()->builtins()->builtin(
         Builtins::kKeyedLoadIC_IndexedInterceptor);
   }
+  Code* non_strict_arguments_stub() {
+    return isolate()->builtins()->builtin(
+        Builtins::kKeyedLoadIC_NonStrictArguments);
+  }
 
   static void Clear(Address address, Code* target);
 
@@ -567,6 +572,7 @@ class KeyedStoreIC: public KeyedIC {
   static void GenerateRuntimeSetProperty(MacroAssembler* masm,
                                          StrictModeFlag strict_mode);
   static void GenerateGeneric(MacroAssembler* masm, StrictModeFlag strict_mode);
+  static void GenerateNonStrictArguments(MacroAssembler* masm);
 
   virtual MaybeObject* GetFastElementStubWithoutMapCheck(
       bool is_js_array);
@@ -625,6 +631,10 @@ class KeyedStoreIC: public KeyedIC {
     return isolate()->builtins()->builtin(
         Builtins::kKeyedStoreIC_Generic_Strict);
   }
+  Code* non_strict_arguments_stub() {
+    return isolate()->builtins()->builtin(
+        Builtins::kKeyedStoreIC_NonStrictArguments);
+  }
 
   static void Clear(Address address, Code* target);