[Bug target/124136] [16 Regression] ICE in bitmap_first_set_bit_worker, at bitmap.cc:1233 since r16-3290

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124136

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:

https://gcc.gnu.org/g:58b6004e920a0ddee5726b98e272405d112a8ec2

commit r16-7561-g58b6004e920a0ddee5726b98e272405d112a8ec2
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Feb 17 13:45:09 2026 +0800

    x86: Don't mark clobbered FLAGS_REG as live

    Don't mark clobbered FLAGS_REG as live in

    (parallel [(set (reg:SI 119)
                    (lshiftrt:SI (reg:SI 121)
                        (const_int 16 [0x10])))
               (clobber (reg:CC 17 flags))])

    gcc/

            PR target/124136
            * config/i386/i386-features.cc (ix86_check_flags_reg): Don't
            mark clobbered FLAGS_REG as live.

    gcc/testsuite/

            PR target/124136
            * g++.target/i386/pr124136.C: New file.

    Signed-off-by: H.J. Lu <hjl.tools@gmail.com>