Call JS functions via native context instead of js builtins object.

src/hydrogen-instructions.h

 // Copyright 2012 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.
 
 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_
 #define V8_HYDROGEN_INSTRUCTIONS_H_
 
 #include <cstring>
 #include <iosfwd>
 
@@ skipping 2455 matching lines @@
         elements_kind_(elements_kind),
         site_(site) {}
 
   ElementsKind elements_kind_;
   Handle<AllocationSite> site_;
 };
 
 
 class HCallRuntime final : public HCall<1> {
  public:
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(HCallRuntime,
-                                              Handle<String>,
-                                              const Runtime::Function*,
-                                              int);
+  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P2(HCallRuntime,
+                                              const Runtime::Function*, int);
 
   std::ostream& PrintDataTo(std::ostream& os) const override;  // NOLINT
 
   HValue* context() { return OperandAt(0); }
   const Runtime::Function* function() const { return c_function_; }
-  Handle<String> name() const { return name_; }
   SaveFPRegsMode save_doubles() const { return save_doubles_; }
   void set_save_doubles(SaveFPRegsMode save_doubles) {
     save_doubles_ = save_doubles;
   }
 
   Representation RequiredInputRepresentation(int index) override {
     return Representation::Tagged();
   }
 
   DECLARE_CONCRETE_INSTRUCTION(CallRuntime)
 
  private:
-  HCallRuntime(HValue* context,
-               Handle<String> name,
-               const Runtime::Function* c_function,
+  HCallRuntime(HValue* context, const Runtime::Function* c_function,
                int argument_count)
-      : HCall<1>(argument_count), c_function_(c_function), name_(name),
+      : HCall<1>(argument_count),
+        c_function_(c_function),
         save_doubles_(kDontSaveFPRegs) {
     SetOperandAt(0, context);
   }
 
   const Runtime::Function* c_function_;
-  Handle<String> name_;
   SaveFPRegsMode save_doubles_;
 };
 
 
 class HMapEnumLength final : public HUnaryOperation {
  public:
   DECLARE_INSTRUCTION_FACTORY_P1(HMapEnumLength, HValue*);
 
   Representation RequiredInputRepresentation(int index) override {
     return Representation::Tagged();
@@ skipping 5545 matching lines @@
 };
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_