[Bug rtl-optimization/121689] [15/16 regression] gcc-15.2 makes qemu riscv emulation on ppc64 jump into an if (false) when -fgcse is enabled.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121689

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
It's pretty large as-is. Having a much smaller version makes it much easier to
analyse and turn into a standalone (runtime) testcase.