Use source position table for unoptimized code.

src/profiler/heap-snapshot-generator.cc

 // Copyright 2013 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/profiler/heap-snapshot-generator.h"
 
 #include "src/code-stubs.h"
 #include "src/conversions.h"
 #include "src/debug/debug.h"
 #include "src/objects-body-descriptors.h"
@@ skipping 1434 matching lines @@
   SetInternalReference(code, entry,
                        "relocation_info", code->relocation_info(),
                        Code::kRelocationInfoOffset);
   SetInternalReference(code, entry,
                        "handler_table", code->handler_table(),
                        Code::kHandlerTableOffset);
   TagObject(code->deoptimization_data(), "(code deopt data)");
   SetInternalReference(code, entry,
                        "deoptimization_data", code->deoptimization_data(),
                        Code::kDeoptimizationDataOffset);
+  TagObject(code->source_position_table(), "(source position table)");
+  SetInternalReference(code, entry, "source_position_table",
+                       code->source_position_table(),
+                       Code::kSourcePositionTableOffset);
   if (code->kind() == Code::FUNCTION) {
     SetInternalReference(code, entry,
                          "type_feedback_info", code->type_feedback_info(),
                          Code::kTypeFeedbackInfoOffset);
   }
   SetInternalReference(code, entry,
                        "gc_metadata", code->gc_metadata(),
                        Code::kGCMetadataOffset);
   if (code->kind() == Code::OPTIMIZED_FUNCTION) {
     SetWeakReference(code, entry,
@@ skipping 1639 matching lines @@
   for (int i = 1; i < sorted_strings.length(); ++i) {
     writer_->AddCharacter(',');
     SerializeString(sorted_strings[i]);
     if (writer_->aborted()) return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8