Fix zone usage within LAllocator.

src/lithium-allocator.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 416 matching lines @@
   const Vector<LiveRange*>* fixed_live_ranges() const {
     return &fixed_live_ranges_;
   }
   const Vector<LiveRange*>* fixed_double_live_ranges() const {
     return &fixed_double_live_ranges_;
   }
 
   LPlatformChunk* chunk() const { return chunk_; }
   HGraph* graph() const { return graph_; }
   Isolate* isolate() const { return graph_->isolate(); }
-  Zone* zone() const { return zone_; }
+  Zone* zone() { return &zone_; }
 
   int GetVirtualRegister() {
     if (next_virtual_register_ >= LUnallocated::kMaxVirtualRegisters) {
       allocation_ok_ = false;
       // Maintain the invariant that we return something below the maximum.
       return 0;
     }
     return next_virtual_register_++;
   }
 
@@ skipping 115 matching lines @@
   void Spill(LiveRange* range);
   bool IsBlockBoundary(LifetimePosition pos);
 
   // Helper methods for resolving control flow.
   void ResolveControlFlow(LiveRange* range,
                           HBasicBlock* block,
                           HBasicBlock* pred);
 
   inline void SetLiveRangeAssignedRegister(LiveRange* range,
                                            int reg,
-                                           RegisterKind register_kind,
-                                           Zone* zone);
+                                           RegisterKind register_kind);
 
   // Return parallel move that should be used to connect ranges split at the
   // given position.
   LParallelMove* GetConnectingParallelMove(LifetimePosition pos);
 
   // Return the block which contains give lifetime position.
   HBasicBlock* GetBlock(LifetimePosition pos);
 
   // Helper methods for the fixed registers.
   int RegisterCount() const;
   static int FixedLiveRangeID(int index) { return -index - 1; }
   static int FixedDoubleLiveRangeID(int index);
   LiveRange* FixedLiveRangeFor(int index);
   LiveRange* FixedDoubleLiveRangeFor(int index);
   LiveRange* LiveRangeFor(int index);
   HPhi* LookupPhi(LOperand* operand) const;
   LGap* GetLastGap(HBasicBlock* block);
 
   const char* RegisterName(int allocation_index);
 
   inline bool IsGapAt(int index);
 
   inline LInstruction* InstructionAt(int index);
 
   inline LGap* GapAt(int index);
 
-  Zone* zone_;
+  Zone zone_;
 
   LPlatformChunk* chunk_;
 
   // During liveness analysis keep a mapping from block id to live_in sets
   // for blocks already analyzed.
   ZoneList<BitVector*> live_in_sets_;
 
   // Liveness analysis results.
   ZoneList<LiveRange*> live_ranges_;
 
@@ skipping 28 matching lines @@
 #ifdef DEBUG
   LifetimePosition allocation_finger_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(LAllocator);
 };
 
 
 class LAllocatorPhase : public CompilationPhase {
  public:
-  LAllocatorPhase(const char* name, LAllocator* allocator)
-      : CompilationPhase(name, allocator->graph()->info()),
-        allocator_(allocator) { }
+  LAllocatorPhase(const char* name, LAllocator* allocator);
   ~LAllocatorPhase();
 
  private:
   LAllocator* allocator_;
+  unsigned allocator_zone_start_allocation_size_;
 
   DISALLOW_COPY_AND_ASSIGN(LAllocatorPhase);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LITHIUM_ALLOCATOR_H_