http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54862
--- Comment #4 from rdsandiford at googlemail dot com <rdsandiford at googlemail dot com> 2012-10-10 07:41:10 UTC --- Sorry for the breakage and thanks to Jakub for the fix. I agree UINTVAL is the right way to go FWIW.