[Bug libffi/42378] cls_*double_va.c failures on powerpc-apple-darwin9

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42378

--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2010-12-12 
11:55:48 UTC ---
Among other benefits, this PR is fixed by the patch in
http://gcc.gnu.org/ml/gcc-patches/2010-12/msg00804.html .

Thanks!-)