[Bug rtl-optimization/123121] wrong code at -O3 with "-fno-ipa-cp -fschedule-insns" on x86_64-linux-gnu

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123121

--- Comment #2 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Between gcc-13 and gcc-14 this stopped failing at r14-5134-g4dbb14c26dafe7:

4dbb14c26dafe70ee4bef5fdf8df39d001dd56f1 is the first new commit
commit 4dbb14c26dafe70ee4bef5fdf8df39d001dd56f1
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Sun Nov 5 20:53:02 2023 +0100

    i386: Add LEGACY_INDEX_REG register class.