ObjectLiterals in full code went to the runtime unnecessarily.

src/full-codegen/full-codegen.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/full-codegen/full-codegen.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/ast-numbering.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopeinfo.h"
@@ skipping 130 matching lines @@
 }
 
 
 bool FullCodeGenerator::MustCreateObjectLiteralWithRuntime(
     ObjectLiteral* expr) const {
   int literal_flags = expr->ComputeFlags();
   // FastCloneShallowObjectStub doesn't copy elements, and object literals don't
   // support copy-on-write (COW) elements for now.
   // TODO(mvstanton): make object literals support COW elements.
   return masm()->serializer_enabled() ||
-         literal_flags != ObjectLiteral::kShallowProperties ||
-         literal_flags != ObjectLiteral::kFastElements ||
+         (literal_flags & ObjectLiteral::kShallowProperties) == 0 ||
+         (literal_flags & ObjectLiteral::kFastElements) == 0 ||
          expr->properties_count() >
              FastCloneShallowObjectStub::kMaximumClonedProperties;
 }
 
 
 bool FullCodeGenerator::MustCreateArrayLiteralWithRuntime(
     ArrayLiteral* expr) const {
   // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub.
   return expr->depth() > 1 || expr->is_strong() ||
          expr->values()->length() > JSArray::kInitialMaxFastElementArray;
@@ skipping 1547 matching lines @@
   return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8