Make whether or not a Code object should be created by masm explicit

src/crankshaft/lithium.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/crankshaft/lithium.h"
 
 #include "src/scopes.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "src/crankshaft/ia32/lithium-ia32.h"  // NOLINT
@@ skipping 484 matching lines @@
   }
 
   chunk->set_allocated_double_registers(
       allocator.assigned_double_registers());
 
   return chunk;
 }
 
 
 Handle<Code> LChunk::Codegen() {
-  MacroAssembler assembler(info()->isolate(), NULL, 0);
+  MacroAssembler assembler(info()->isolate(), NULL, 0, true);
   LOG_CODE_EVENT(info()->isolate(),
                  CodeStartLinePosInfoRecordEvent(
                      assembler.positions_recorder()));
   // Code serializer only takes unoptimized code.
   DCHECK(!info()->will_serialize());
   LCodeGen generator(this, &assembler, info());
 
   MarkEmptyBlocks();
 
   if (generator.GenerateCode()) {
@@ skipping 188 matching lines @@
 
 LPhase::~LPhase() {
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceLithium(name(), chunk_);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8