http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53986
--- Comment #8 from vries at gcc dot gnu.org 2012-08-05 15:31:39 UTC --- Created attachment 27944 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27944 tree-switch-conversion-fix-undefined-overflow-introduction.patch, tentative patch > Anyway, I am quite sure to remember correctly that I had the unsigned > before the add, and it caused bootstrap or test issues. But as always, > patches welcome :-) This tentative patch fixes the problem. I'm currently testing it, let's see if I run into any trouble.