[Bug middle-end/82569] [8 regression] failure in 177.mesa cpu2000 test case after r253530

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82569

--- Comment #9 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> But I don't fully understand the new issue - what are "other SUBREGs"?  The
> SUBREG_PROMOTED_VAR setting is set per subreg so we should be able to handle
> those okish?

The other SUBREGs are the SUBREGs created for a promoted variable but for which
we don't set SUBREG_PROMOTED_VAR_P anymore.  I guess a more sensible fix would
be to do the full assignment in expand_gimple_stmt_1 for them too.