[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 #5 from Sam James <sjames at gcc dot gnu.org> ---
(objdump + cvise, comparing with and without -fno-gcse will be good enough to
start.)