Move CompilationInfo::this_has_uses to HGraph::this_has_uses.

src/compiler.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/compiler.h"
 
 #include <algorithm>
 
 #include "src/ast-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 457 matching lines @@
     return AbortOptimization(
         info()->shared_info()->disable_optimization_reason());
   }
 
   graph_builder_ = (info()->is_tracking_positions() || FLAG_trace_ic)
                        ? new (info()->zone())
                              HOptimizedGraphBuilderWithPositions(info())
                        : new (info()->zone()) HOptimizedGraphBuilder(info());
 
   Timer t(this, &time_taken_to_create_graph_);
-  info()->SetThisHasUses(false);
   graph_ = graph_builder_->CreateGraph();
 
   if (isolate()->has_pending_exception()) {
     return SetLastStatus(FAILED);
   }
 
   if (graph_ == NULL) return SetLastStatus(BAILED_OUT);
 
   if (info()->HasAbortedDueToDependencyChange()) {
     // Dependency has changed during graph creation. Let's try again later.
@@ skipping 1091 matching lines @@
   parse_info_ = nullptr;
 }
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate(), zone()).PrintProgram(function()));
 }
 #endif
 } }  // namespace v8::internal