Remove the platform specific jump target files by making them have the...

src/codegen-ia32.h

 // Copyright 2006-2008 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 356 matching lines @@
   // permits optimization and calls GenerateFastCaseSwitch if it does.
   // Returns true if the fast-case switch was generated, and false if not.
   bool TryGenerateFastCaseSwitchStatement(SwitchStatement* node);
 
 
   // Bottle-neck interface to call the Assembler to generate the statement
   // position. This allows us to easily control whether statement positions
   // should be generated or not.
   void RecordStatementPosition(Node* node);
 
+  // Is the given jump target the actual (ie, non-shadowed) function return
+  // target?
+  bool IsActualFunctionReturn(JumpTarget* target);
+
   bool is_eval_;  // Tells whether code is generated for eval.
   Handle<Script> script_;
   List<DeferredCode*> deferred_;
 
   // Assembler
   MacroAssembler* masm_;  // to generate code
 
   // Code generation state
   Scope* scope_;
   VirtualFrame* frame_;
@@ skipping 16 matching lines @@
   friend class JumpTarget;
   friend class Reference;
 
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODEGEN_IA32_H_