https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124351
--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Philipp Tomsich <[email protected]>: https://gcc.gnu.org/g:37980a5a781bf7a8831b6f106ef61f11a52579d0 commit r16-7888-g37980a5a781bf7a8831b6f106ef61f11a52579d0 Author: Philipp Tomsich <[email protected]> Date: Wed Mar 4 09:49:09 2026 +0100 avoid-store-forwarding: Clear sbitmap before use [PR124351] The forwarded_bytes sbitmap needs to be zeroed after allocation, as sbitmaps are not implicitly initialized. This caused valgrind warnings about conditional jumps depending on uninitialised values. gcc/ChangeLog: PR rtl-optimization/124351 * avoid-store-forwarding.cc (process_store_forwarding): Add bitmap_clear after allocating forwarded_bytes.
