diff -r 7e40acdf2163 -r 27e801a857cb hotspot/src/share/vm/c1/c1_CodeStubs.hpp
--- a/hotspot/src/share/vm/c1/c1_CodeStubs.hpp	Mon Mar 08 04:46:30 2010 -0800
+++ b/hotspot/src/share/vm/c1/c1_CodeStubs.hpp	Tue Mar 09 20:16:19 2010 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2010 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -415,6 +415,28 @@
 };
 
 
+//------------------------------------------------------------------------------
+// DeoptimizeStub
+//
+class DeoptimizeStub : public CodeStub {
+private:
+  CodeEmitInfo* _info;
+
+public:
+  DeoptimizeStub(CodeEmitInfo* info) : _info(new CodeEmitInfo(info)) {}
+
+  virtual void emit_code(LIR_Assembler* e);
+  virtual CodeEmitInfo* info() const           { return _info; }
+  virtual bool is_exception_throw_stub() const { return true; }
+  virtual void visit(LIR_OpVisitState* visitor) {
+    visitor->do_slow_case(_info);
+  }
+#ifndef PRODUCT
+  virtual void print_name(outputStream* out) const { out->print("DeoptimizeStub"); }
+#endif // PRODUCT
+};
+
+
 class SimpleExceptionStub: public CodeStub {
  private:
   LIR_Opr          _obj;