https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94964
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:95a8572ce7bdf152cc8c7d069ce24508a9ff0bfe commit r9-8864-g95a8572ce7bdf152cc8c7d069ce24508a9ff0bfe Author: Richard Biener <rguent...@suse.de> Date: Wed May 6 10:23:15 2020 +0200 middle-end/94964 - avoid EH loop entry with CP_SIMPLE_PREHEADERS Loop optimizers expect to be able to insert on the preheader edge w/o splitting it thus avoid ending up with a preheader that enters the loop via an EH edge (or an abnormal edge). 2020-05-06 Richard Biener <rguent...@suse.de> PR middle-end/94964 * cfgloopmanip.c (create_preheader): Require non-complex preheader edge for CP_SIMPLE_PREHEADERS. (cherry picked from commit 6fc00b41e764219e2c88d8892d7c701c0d292a17)
