Fixed race condition in HBranch::observed_input_representation.

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/v8.h"
 
 #include "src/base/bits.h"
 #include "src/double.h"
 #include "src/factory.h"
 #include "src/hydrogen-infer-representation.h"
@@ skipping 1137 matching lines @@
 }
 
 
 std::ostream& HReturn::PrintDataTo(std::ostream& os) const {  // NOLINT
   return os << NameOf(value()) << " (pop " << NameOf(parameter_count())
             << " values)";
 }
 
 
 Representation HBranch::observed_input_representation(int index) {
-  static const ToBooleanStub::Types tagged_types(
-      ToBooleanStub::NULL_TYPE |
-      ToBooleanStub::SPEC_OBJECT |
-      ToBooleanStub::STRING |
-      ToBooleanStub::SYMBOL);
-  if (expected_input_types_.ContainsAnyOf(tagged_types)) {
+  if (expected_input_types_.Contains(ToBooleanStub::NULL_TYPE) ||
+      expected_input_types_.Contains(ToBooleanStub::SPEC_OBJECT) ||
+      expected_input_types_.Contains(ToBooleanStub::STRING) ||
+      expected_input_types_.Contains(ToBooleanStub::SYMBOL)) {
     return Representation::Tagged();
   }
   if (expected_input_types_.Contains(ToBooleanStub::UNDEFINED)) {
     if (expected_input_types_.Contains(ToBooleanStub::HEAP_NUMBER)) {
       return Representation::Double();
     }
     return Representation::Tagged();
   }
   if (expected_input_types_.Contains(ToBooleanStub::HEAP_NUMBER)) {
     return Representation::Double();
@@ skipping 3626 matching lines @@
       break;
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 } }  // namespace v8::internal