[Bug target/121126] [16 Regression] RISC-V: Miscompile at -O[23] since r16-2159-g3bf2aa834e1

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121126

--- Comment #7 from GCC 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:8bb7234a86f3432658f9fa29d7957d1d0c929832

commit r16-2346-g8bb7234a86f3432658f9fa29d7957d1d0c929832
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Jul 18 08:28:59 2025 +0200

    tree-optimization/121126 - properly verify live LC PHIs

    The following makes sure we analyze live LC PHIs not part of
    a double reduction.

            PR tree-optimization/121126
            * tree-vect-stmts.cc (vect_analyze_stmt): Analyze the
            live lane extract for LC PHIs that are vect_internal_def.

            * gcc.dg/vect/pr121126.c: New testcase.