http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56051
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-01 14:11:54 UTC --- Author: jakub Date: Fri Feb 1 14:11:46 2013 New Revision: 195658 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195658 Log: Backported from mainline 2013-01-21 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/56051 * fold-const.c (fold_binary_loc): Don't fold X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either a narrowing conversion, or widening conversion from signed to unsigned. * gcc.c-torture/execute/pr56051.c: New test. Added: branches/gcc-4_7-branch/gcc/testsuite/gcc.c-torture/execute/pr56051.c Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/fold-const.c branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
