Remove strong mode support from materialized literals.

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 139 matching lines @@
   // TODO(mvstanton): make object literals support COW elements.
   return masm()->serializer_enabled() || !expr->fast_elements() ||
          !expr->has_shallow_properties() ||
          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() ||
+  return expr->depth() > 1 ||
          expr->values()->length() > JSArray::kInitialMaxFastElementArray;
 }
 
 
 void FullCodeGenerator::Initialize() {
   InitializeAstVisitor(info_->isolate());
   masm_->set_emit_debug_code(FLAG_debug_code);
   masm_->set_predictable_code_size(true);
 }
 
@@ skipping 1747 matching lines @@
   return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8