[Bug rtl-optimization/118505] [15 regression] aarch64: 25% regression in TSVC s258 since r15-3436-gb2b20b277988ab

[dhruvc at nvidia dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118505

--- Comment #1 from Dhruv Chawla <dhruvc at nvidia dot com> ---
I'm not sure if this is an aarch64-specific issue or a middle-end issue, so
I've filed it under aarch64 for now.