Some CompilationInfo-related cleanup.

src/hydrogen.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/hydrogen.h"
 
 #include <sstream>
 
 #include "src/v8.h"
 
@@ skipping 3464 matching lines @@
   DCHECK(!OptimizingCompilerThread::IsOptimizerThread(isolate()));
   for (int i = 0; i < blocks()->length(); ++i) {
     for (HInstructionIterator it(blocks()->at(i)); !it.Done(); it.Advance()) {
       it.Current()->FinalizeUniqueness();
     }
   }
 }
 
 
 int HGraph::SourcePositionToScriptPosition(SourcePosition pos) {
-  if (!FLAG_hydrogen_track_positions || pos.IsUnknown()) {
-    return pos.raw();
-  }
-
-  return info()->inlined_function_infos()->at(pos.inlining_id())
-      .start_position + pos.position();
+  return (info()->is_tracking_positions() && !pos.IsUnknown())
+             ? info()->start_position_for(pos.inlining_id()) + pos.position()
+             : pos.raw();
 }
 
 
 // Block ordering was implemented with two mutually recursive methods,
 // HGraph::Postorder and HGraph::PostorderLoopBlocks.
 // The recursion could lead to stack overflow so the algorithm has been
 // implemented iteratively.
 // At a high level the algorithm looks like this:
 //
 // Postorder(block, loop_header) : {
@@ skipping 9915 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal