Thread/Isolate refactoring: new(Isolate) -> new(Zone)

runtime/vm/flow_graph.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_FLOW_GRAPH_H_
 #define VM_FLOW_GRAPH_H_
 
 #include "vm/bit_vector.h"
 #include "vm/growable_array.h"
 #include "vm/hash_map.h"
@@ skipping 212 matching lines @@
   void ComputeBlockEffects();
   BlockEffects* block_effects() const { return block_effects_; }
 
   // Remove the redefinition instructions inserted to inhibit code motion.
   void RemoveRedefinitions();
 
   // Copy deoptimization target from one instruction to another if we still
   // have to keep deoptimization environment at gotos for LICM purposes.
   void CopyDeoptTarget(Instruction* to, Instruction* from) {
     if (is_licm_allowed()) {
-      to->InheritDeoptTarget(isolate(), from);
+      to->InheritDeoptTarget(zone(), from);
     }
   }
 
   // Returns true if every Goto in the graph is expected to have a
   // deoptimization environment and can be used as deoptimization target
   // for hoisted instructions.
   bool is_licm_allowed() const { return licm_allowed_; }
 
   // Stop preserving environments on Goto instructions. LICM is not allowed
   // after this point.
@@ skipping 272 matching lines @@
 
  private:
   GrowableArray<Definition*> defs_;
   BitVector* contains_vector_;
 };
 
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_H_