https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87984
--- Comment #48 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-13 branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:f2d0fb238b1a6eab85924515f0c1ffc2f939e6a7 commit r13-9638-gf2d0fb238b1a6eab85924515f0c1ffc2f939e6a7 Author: Richard Biener <rguent...@suse.de> Date: Fri Feb 28 10:36:11 2025 +0100 tree-optimization/87984 - hard register assignments not preserved The following disables redundant store elimination to hard register variables which isn't valid. PR tree-optimization/87984 * tree-ssa-dom.cc (dom_opt_dom_walker::optimize_stmt): Do not perform redundant store elimination to hard register variables. * tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt): Likewise. * gcc.target/i386/pr87984.c: New testcase. (cherry picked from commit 535115caaf97f5201fb528f67f15b4c52be5619d)
