https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109327
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:7fd1d28d2436065da7fc0fe01d787fcdf3c14b83 commit r13-6926-g7fd1d28d2436065da7fc0fe01d787fcdf3c14b83 Author: Richard Biener <rguent...@suse.de> Date: Wed Mar 29 09:51:58 2023 +0200 tree-optimization/109327 - forwprop stmt removal issue There's interfering between the to_removed queue and other mechanisms removing stmts, in this case remove_prop_source_from_use. The following makes the to_remove queue draining more permissive. PR tree-optimization/109327 * tree-ssa-forwprop.cc (pass_forwprop::execute): Deal with already removed stmts when draining to_remove. * gcc.dg/pr109327.c: New testcase.
