https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84117
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Sat Mar 3 13:25:27 2018 New Revision: 258183 URL: https://gcc.gnu.org/viewcvs?rev=258183&root=gcc&view=rev Log: Backported from mainline 2018-02-01 Jakub Jelinek <ja...@redhat.com> PR tree-optimization/81661 PR tree-optimization/84117 * tree-eh.h (rewrite_to_non_trapping_overflow): Declare. * tree-eh.c: Include gimplify.h. (find_trapping_overflow, replace_trapping_overflow, rewrite_to_non_trapping_overflow): New functions. * tree-vect-loop.c: Include tree-eh.h. (vect_get_loop_niters): Use rewrite_to_non_trapping_overflow. * gcc.dg/pr81661.c: New test. * gfortran.dg/pr84117.f90: New test. Added: branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr81661.c branches/gcc-7-branch/gcc/testsuite/gfortran.dg/pr84117.f90 Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/testsuite/ChangeLog branches/gcc-7-branch/gcc/tree-eh.c branches/gcc-7-branch/gcc/tree-eh.h branches/gcc-7-branch/gcc/tree-vect-loop.c
