[Bug bootstrap/71435] [7 regression] sparc bootstrap failure since r235625

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71435

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> I can (partially) reproduce on Solaris:

The problem looks volatile, unrelated switches change code generation.