Fix mozilla regress-398085-01 failure on windows.

src/ia32/lithium-codegen-ia32.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 390 matching lines @@
   void X87Fxch(X87Register reg, int other_slot = 0);
   void X87Fld(Operand src, X87OperandType opts);
   void X87Free(X87Register reg);
 
   void FlushX87StackIfNecessary(LInstruction* instr);
   void EmitFlushX87ForDeopt();
   bool X87StackContains(X87Register reg);
   int X87ArrayIndex(X87Register reg);
   int x87_st2idx(int pos);
 
+#ifdef _MSC_VER
+  // On windows, you may not access the stack more than one page below
+  // the most recently mapped page. To make the allocated area randomly
+  // accessible, we write an arbitrary value to each page in range
+  // esp + offset - page_size .. esp in turn.
+  void MakeSureStackPagesMapped(int offset);
+#endif
+
   Zone* zone_;
   LPlatformChunk* const chunk_;
   MacroAssembler* const masm_;
   CompilationInfo* const info_;
 
   int current_block_;
   int current_instruction_;
   const ZoneList<LInstruction*>* instructions_;
   ZoneList<LEnvironment*> deoptimizations_;
   ZoneList<Deoptimizer::JumpTableEntry> jump_table_;
@@ skipping 73 matching lines @@
   LCodeGen* codegen_;
   Label entry_;
   Label exit_;
   Label* external_exit_;
   int instruction_index_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_CODEGEN_IA32_H_