Strict mode fixes.

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index 512abbb80258145782c8e1b114d4c136114e5565..15bb8941c328edb3bd94925c65f6a58013c38ac7 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -1295,6 +1295,7 @@ class LStoreGlobalGeneric: public LTemplateInstruction<0, 2, 0> {
   LOperand* global_object() { return InputAt(0); }
   Handle<Object> name() const { return hydrogen()->name(); }
   LOperand* value() { return InputAt(1); }
+  bool strict_mode() { return hydrogen()->strict_mode(); }
 };
 
 
@@ -1616,6 +1617,7 @@ class LStoreNamedGeneric: public LTemplateInstruction<0, 2, 0> {
   LOperand* object() { return inputs_[0]; }
   LOperand* value() { return inputs_[1]; }
   Handle<Object> name() const { return hydrogen()->name(); }
+  bool strict_mode() { return hydrogen()->strict_mode(); }
 };
 
 
@@ -1671,12 +1673,14 @@ class LStoreKeyedGeneric: public LTemplateInstruction<0, 3, 0> {
   }
 
   DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
+  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
 
   virtual void PrintDataTo(StringStream* stream);
 
   LOperand* object() { return inputs_[0]; }
   LOperand* key() { return inputs_[1]; }
   LOperand* value() { return inputs_[2]; }
+  bool strict_mode() { return hydrogen()->strict_mode(); }
 };