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

src/hydrogen-instructions.cc

 // 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.
 
 #include "src/hydrogen-instructions.h"
 
 #include "src/base/bits.h"
 #include "src/double.h"
 #include "src/elements.h"
 #include "src/factory.h"
@@ skipping 1081 matching lines @@
 }
 
 
 std::ostream& HCallNewArray::PrintDataTo(std::ostream& os) const {  // NOLINT
   os << ElementsKindToString(elements_kind()) << " ";
   return HBinaryCall::PrintDataTo(os);
 }
 
 
 std::ostream& HCallRuntime::PrintDataTo(std::ostream& os) const {  // NOLINT
-  os << name()->ToCString().get() << " ";
+  os << function()->name << " ";
   if (save_doubles() == kSaveFPRegs) os << "[save doubles] ";
   return os << "#" << argument_count();
 }
 
 
 std::ostream& HClassOfTestAndBranch::PrintDataTo(
     std::ostream& os) const {  // NOLINT
   return os << "class_of_test(" << NameOf(value()) << ", \""
             << class_name()->ToCString().get() << "\")";
 }
@@ skipping 3631 matching lines @@
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 }  // namespace internal
 }  // namespace v8