[Bug rtl-optimization/78437] [7 Regression] invalid sign-extend conversion in REE pass

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78437

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Bootstrap and regression tests pass OK, the patch fixes reported
> gcc.dg/atomic/stdatomic-compare-exchange-[1,2].c failure.

Thanks, no regressions with -free on SPARC either.