--- a/hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp	Wed May 14 15:01:08 2008 -0700
+++ b/hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp	Thu May 22 13:03:52 2008 -0400
@@ -2721,7 +2721,8 @@
 #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;