Remove strong mode support from property loads.

src/crankshaft/hydrogen-instructions.h

Index: src/crankshaft/hydrogen-instructions.h
diff --git a/src/crankshaft/hydrogen-instructions.h b/src/crankshaft/hydrogen-instructions.h
index 5ea1ab8e4af71e55694e75547b3315870c60fb30..6fed00faaad6286ddbc42bdb73d6a70f04c71b6d 100644
--- a/src/crankshaft/hydrogen-instructions.h
+++ b/src/crankshaft/hydrogen-instructions.h
@@ -6323,9 +6323,8 @@ class HLoadNamedField final : public HTemplateInstruction<2> {
 
 class HLoadNamedGeneric final : public HTemplateInstruction<2> {
  public:
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P4(HLoadNamedGeneric, HValue*,
-                                              Handle<Name>, LanguageMode,
-                                              InlineCacheState);
+  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(HLoadNamedGeneric, HValue*,
+                                              Handle<Name>, InlineCacheState);
 
   HValue* context() const { return OperandAt(0); }
   HValue* object() const { return OperandAt(1); }
@@ -6353,14 +6352,10 @@ class HLoadNamedGeneric final : public HTemplateInstruction<2> {
 
   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric)
 
-  LanguageMode language_mode() const { return language_mode_; }
-
  private:
   HLoadNamedGeneric(HValue* context, HValue* object, Handle<Name> name,
-                    LanguageMode language_mode,
                     InlineCacheState initialization_state)
       : name_(name),
-        language_mode_(language_mode),
         initialization_state_(initialization_state) {
     SetOperandAt(0, context);
     SetOperandAt(1, object);
@@ -6371,7 +6366,6 @@ class HLoadNamedGeneric final : public HTemplateInstruction<2> {
   Handle<Name> name_;
   Handle<TypeFeedbackVector> feedback_vector_;
   FeedbackVectorSlot slot_;
-  LanguageMode language_mode_;
   InlineCacheState initialization_state_;
 };
 
@@ -6614,9 +6608,8 @@ class HLoadKeyed final : public HTemplateInstruction<4>,
 
 class HLoadKeyedGeneric final : public HTemplateInstruction<3> {
  public:
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P4(HLoadKeyedGeneric, HValue*,
-                                              HValue*, LanguageMode,
-                                              InlineCacheState);
+  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(HLoadKeyedGeneric, HValue*,
+                                              HValue*, InlineCacheState);
   HValue* object() const { return OperandAt(0); }
   HValue* key() const { return OperandAt(1); }
   HValue* context() const { return OperandAt(2); }
@@ -6648,14 +6641,10 @@ class HLoadKeyedGeneric final : public HTemplateInstruction<3> {
 
   DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric)
 
-  LanguageMode language_mode() const { return language_mode_; }
-
  private:
   HLoadKeyedGeneric(HValue* context, HValue* obj, HValue* key,
-                    LanguageMode language_mode,
                     InlineCacheState initialization_state)
-      : initialization_state_(initialization_state),
-        language_mode_(language_mode) {
+      : initialization_state_(initialization_state) {
     set_representation(Representation::Tagged());
     SetOperandAt(0, obj);
     SetOperandAt(1, key);
@@ -6666,7 +6655,6 @@ class HLoadKeyedGeneric final : public HTemplateInstruction<3> {
   Handle<TypeFeedbackVector> feedback_vector_;
   FeedbackVectorSlot slot_;
   InlineCacheState initialization_state_;
-  LanguageMode language_mode_;
 };