[Bug middle-end/50040] [4.5/4.6 Regression] missed warning: ‘x?=.=?UTF-8?Q?y’ is used uninitialized in this function

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50040

--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-11-03 15:14:38 UTC ---
Patch doesn't apply to the 4.6 branch.  Don't hold your breath.