Remove strong mode support from property loads.

src/compiler/ast-graph-builder.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/ast-graph-builder.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler.h"
 #include "src/compiler/ast-loop-assignment-analyzer.h"
 #include "src/compiler/control-builders.h"
@@ skipping 3552 matching lines @@
       return store;
     }
   }
   UNREACHABLE();
   return nullptr;
 }
 
 
 Node* AstGraphBuilder::BuildKeyedLoad(Node* object, Node* key,
                                       const VectorSlotPair& feedback) {
-  const Operator* op = javascript()->LoadProperty(language_mode(), feedback);
+  const Operator* op = javascript()->LoadProperty(feedback);
   Node* node = NewNode(op, object, key, GetFunctionClosure());
   return node;
 }
 
 
 Node* AstGraphBuilder::BuildNamedLoad(Node* object, Handle<Name> name,
                                       const VectorSlotPair& feedback) {
-  const Operator* op = javascript()->LoadNamed(language_mode(), name, feedback);
+  const Operator* op = javascript()->LoadNamed(name, feedback);
   Node* node = NewNode(op, object, GetFunctionClosure());
   return node;
 }
 
 
 Node* AstGraphBuilder::BuildKeyedStore(Node* object, Node* key, Node* value,
                                        const VectorSlotPair& feedback) {
   const Operator* op = javascript()->StoreProperty(language_mode(), feedback);
   Node* node = NewNode(op, object, key, value, GetFunctionClosure());
   return node;
 }
 
 
 Node* AstGraphBuilder::BuildNamedStore(Node* object, Handle<Name> name,
                                        Node* value,
                                        const VectorSlotPair& feedback) {
   const Operator* op =
       javascript()->StoreNamed(language_mode(), name, feedback);
   Node* node = NewNode(op, object, value, GetFunctionClosure());
   return node;
 }
 
 
 Node* AstGraphBuilder::BuildNamedSuperLoad(Node* receiver, Node* home_object,
                                            Handle<Name> name,
                                            const VectorSlotPair& feedback) {
   Node* name_node = jsgraph()->Constant(name);
-  Node* language = jsgraph()->Constant(language_mode());
   const Operator* op = javascript()->CallRuntime(Runtime::kLoadFromSuper);
-  Node* node = NewNode(op, receiver, home_object, name_node, language);
+  Node* node = NewNode(op, receiver, home_object, name_node);
   return node;
 }
 
 
 Node* AstGraphBuilder::BuildKeyedSuperLoad(Node* receiver, Node* home_object,
                                            Node* key,
                                            const VectorSlotPair& feedback) {
-  Node* language = jsgraph()->Constant(language_mode());
   const Operator* op = javascript()->CallRuntime(Runtime::kLoadKeyedFromSuper);
-  Node* node = NewNode(op, receiver, home_object, key, language);
+  Node* node = NewNode(op, receiver, home_object, key);
   return node;
 }
 
 
 Node* AstGraphBuilder::BuildKeyedSuperStore(Node* receiver, Node* home_object,
                                             Node* key, Node* value) {
   Runtime::FunctionId function_id = is_strict(language_mode())
                                         ? Runtime::kStoreKeyedToSuper_Strict
                                         : Runtime::kStoreKeyedToSuper_Sloppy;
   const Operator* op = javascript()->CallRuntime(function_id, 4);
@@ skipping 717 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8