[Bug lto/121588] [15/16 regression] gcc 15.2.0 crashes when building u-boot 2022.07 with LTO

[sjames at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121588

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
I did try get rid of the assembly but the only way I managed was
ice-on-invalid.