https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81428
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Mon Jul 17 10:20:41 2017 New Revision: 250265 URL: https://gcc.gnu.org/viewcvs?rev=250265&root=gcc&view=rev Log: PR tree-optimization/81428 * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1 can't be built for those types. * gcc.dg/fixed-point/pr81428.c: New test. Added: trunk/gcc/testsuite/gcc.dg/fixed-point/pr81428.c Modified: trunk/gcc/ChangeLog trunk/gcc/match.pd trunk/gcc/testsuite/ChangeLog