[Bug tree-optimization/52267] a&~N where N has all the bits set up till a specific point can be folded to ((unsigned)a) < N

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52267

--- Comment #10 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> ---
The patch to fix the testsuite is here:
http://gcc.gnu.org/ml/gcc-patches/2013-07/msg00079.html