--- a/hotspot/src/cpu/x86/vm/stubRoutines_x86_64.cpp	Fri Feb 24 12:33:31 2012 -0800
+++ b/hotspot/src/cpu/x86/vm/stubRoutines_x86_64.cpp	Mon Feb 27 09:17:44 2012 +0100
@@ -43,6 +43,7 @@
 // a description of how to extend it, see the stubRoutines.hpp file.
 
 address StubRoutines::x86::_get_previous_fp_entry = NULL;
+address StubRoutines::x86::_get_previous_sp_entry = NULL;
 
 address StubRoutines::x86::_verify_mxcsr_entry = NULL;