[Bug middle-end/116179] [15 regression] -fcompare-debug --gno-statement-frontiers failure with -O3 when building mesa-24.1.4

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116179

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
Reducing.