[Bug rtl-optimization/59649] [4.9 regression] conftest.c miscompiled

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59649

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Untested fix (well, tested on the conftest.c and eyeballing it using cross).
> Don't have spare cycles to waste on a ia64 though, so if somebody is willing
> to bootstrap/regtest it, I'd appreciate it.

I will, but I'm wondering whether there aren't some implicit constraints on the
returned values (especially for the signed case).