https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84321
--- Comment #14 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Tue Feb 13 15:48:38 2018 New Revision: 257629 URL: https://gcc.gnu.org/viewcvs?rev=257629&root=gcc&view=rev Log: 2018-02-12 Richard Sandiford <richard.sandif...@linaro.org> gcc/ PR tree-optimization/84321 * tree-vrp.c (intersect_range_with_nonzero_bits): Fix VR_ANTI_RANGE handling. Also check whether the anti-range contains any values that satisfy the mask; switch to a VR_RANGE if not. gcc/testsuite/ PR tree-optimization/84321 * gcc.dg/pr84321.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr84321.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c