https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106866
--- Comment #4 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:a262f969d6fd936f4fb5d9e1d5756b0dcbc925b2 commit r13-2518-ga262f969d6fd936f4fb5d9e1d5756b0dcbc925b2 Author: Richard Biener <rguent...@suse.de> Date: Wed Sep 7 12:50:40 2022 +0200 tree-optimization/106866 - avoid dead abnormal edges from DCE When DCE clears cfun->calls_setjmp then suddenly we don't need any abnormal call edges anymore. The following makes sure to prune them which otherwise can confuse other passes. PR tree-optimization/106866 * tree-ssa-dce.cc (eliminate_unnecessary_stmts): When we changed cfun->calls_setjmp make sure to purge all abnormal call edges. * gcc.dg/uninit-pr106866.c: New testcase.