[Bug bootstrap/125598] Comparing stages 2 and 3 with -with-build-config=bootstrap-O3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125598

--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
You're assuming it's not fixed in 15.2, though. How could we fix 15.1?