--- a/hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp	Tue Jun 03 15:38:31 2008 -0700
+++ b/hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp	Fri Jun 06 13:43:36 2008 -0400
@@ -2720,7 +2720,8 @@
 #endif /* ASSERT */
 
   VMRegPair zero;
-  zero.set2(G0->as_VMReg());
+  const Register g0 = G0; // without this we get a compiler warning (why??)
+  zero.set2(g0->as_VMReg());
 
   int c_arg, j_arg;