http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53968
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-08-13 12:40:04 UTC --- Author: jakub Date: Mon Aug 13 12:39:54 2012 New Revision: 190342 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190342 Log: PR c/53968 * tree.c (integer_pow2p): Avoid undefined signed overflows. * simplify-rtx.c (neg_const_int): Likewise. * expr.c (fixup_args_size_notes): Likewise. * stor-layout.c (set_min_and_max_values_for_integral_type): Likewise. * double-int.c (mul_double_wide_with_sign): Likewise. (double_int_mask): Likewise. * tree-ssa-loop-ivopts.c (get_address_cost): Likewise. Modified: trunk/gcc/ChangeLog trunk/gcc/double-int.c trunk/gcc/expr.c trunk/gcc/simplify-rtx.c trunk/gcc/stor-layout.c trunk/gcc/tree-ssa-loop-ivopts.c trunk/gcc/tree.c