[Bug bootstrap/63188] [5 Regression] r214954 breaks bootstrap on x86_64-apple-darwin13

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63188

--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
testing finished without regression.