https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95133
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:1d93c1bdbb1fb59e56f115601c792fa539e8deb5 commit r10-8350-g1d93c1bdbb1fb59e56f115601c792fa539e8deb5 Author: Richard Biener <rguent...@suse.de> Date: Fri May 15 09:38:54 2020 +0200 tree-optimization/95133 - avoid abnormal edges in path splitting When path splitting tries to detect a CFG diamond make sure it is composed of normal (non-EH, not abnormal) edges. Otherwise CFG manipulation later may fail. 2020-05-15 Richard Biener <rguent...@suse.de> PR tree-optimization/95133 * gimple-ssa-split-paths.c (find_block_to_duplicate_for_splitting_paths): Check for normal edges. * gcc.dg/pr95133.c: New testcase.