[Bug ipa/63814] g++.dg/ipa/pr61160-1.C fails with -m32 on darwin14

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63814

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
r216305 (+patches to bootstrap) is OK.