Use source position table for crankshaft code.

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/ast/scopes.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "src/crankshaft/ia32/lithium-ia32.h"  // NOLINT
@@ skipping 430 matching lines @@
   chunk->set_allocated_double_registers(
       allocator.assigned_double_registers());
 
   return chunk;
 }
 
 
 Handle<Code> LChunk::Codegen() {
   MacroAssembler assembler(info()->isolate(), NULL, 0,
                            CodeObjectRequired::kYes);
-  LOG_CODE_EVENT(info()->isolate(),
-                 CodeStartLinePosInfoRecordEvent(
-                     assembler.positions_recorder()));
   // Code serializer only takes unoptimized code.
   DCHECK(!info()->will_serialize());
   LCodeGen generator(this, &assembler, info());
 
+  LOG_CODE_EVENT(info()->isolate(),
+                 CodeStartLinePosInfoRecordEvent(
+                     generator.source_position_table_builder()));
+
   MarkEmptyBlocks();
 
   if (generator.GenerateCode()) {
     generator.CheckEnvironmentUsage();
     CodeGenerator::MakeCodePrologue(info(), "optimized");
     Handle<Code> code = CodeGenerator::MakeCodeEpilogue(&assembler, info());
     generator.FinishCode(code);
     CommitDependencies(code);
     code->set_is_crankshafted(true);
     void* jit_handler_data =
-        assembler.positions_recorder()->DetachJITHandlerData();
+        generator.source_position_table_builder()->DetachJITHandlerData();
     LOG_CODE_EVENT(info()->isolate(),
                    CodeEndLinePosInfoRecordEvent(AbstractCode::cast(*code),
                                                  jit_handler_data));
 
     CodeGenerator::PrintCode(code, info());
     DCHECK(!(info()->GetMustNotHaveEagerFrame() &&
              generator.NeedsEagerFrame()));
     return code;
   }
   assembler.AbortedCodeGeneration();
@@ skipping 246 matching lines @@
 
 LPhase::~LPhase() {
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceLithium(name(), chunk_);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8