[Bug middle-end/122645] Code breaks between 15.2 and 16.0

[eczbek.void at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122645

--- Comment #5 from eczbek.void at gmail dot com ---
(In reply to Andrew Pinski from comment #1)
> I am not even sure this is valid. It seg faults on aarch64 even with GCC
> 10.2.0.

The layout of thunk_struct is specifically for x86