[Bug target/82005] [8 regression] early lto debug creates invalid assembly on Darwin

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82005

--- Comment #15 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Results posted at https://gcc.gnu.org/ml/gcc-testresults/2017-09/msg01338.html.

Hundreds of failures coming from this PR.