Fixed various simulator-related space leaks.

src/ppc/simulator-ppc.h

 // Copyright 2014 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.
 
 
 // Declares a Simulator for PPC instructions if we are not generating a native
 // PPC binary. This Simulator allows us to run and debug PPC code generation on
 // regular desktop machines.
 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro,
 // which will start execution in the Simulator or forwards to the real entry
@@ skipping 194 matching lines @@
 
   // Accessor to the internal simulator stack area.
   uintptr_t StackLimit() const;
 
   // Executes PPC instructions until the PC reaches end_sim_pc.
   void Execute();
 
   // Call on program start.
   static void Initialize(Isolate* isolate);
 
+  static void TearDown(HashMap* i_cache, Redirection* first);
+
   // V8 generally calls into generated JS code with 5 parameters and into
   // generated RegExp code with 7 parameters. This is a convenience function,
   // which sets up the simulator state and grabs the result on return.
   intptr_t Call(byte* entry, int argument_count, ...);
   // Alternative: call a 2-argument double function.
   void CallFP(byte* entry, double d0, double d1);
   int32_t CallFPReturnsInt(byte* entry, double d0, double d1);
   double CallFPReturnsDouble(byte* entry, double d0, double d1);
 
   // Push an address onto the JS stack.
@@ skipping 191 matching lines @@
 
   static inline void UnregisterCTryCatch() {
     Simulator::current(Isolate::Current())->PopAddress();
   }
 };
 }
 }  // namespace v8::internal
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_PPC_SIMULATOR_PPC_H_