[Bug target/58139] PowerPC volatile VSX register live across call

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58139

--- Comment #11 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Boostrap with obj* completed successfully with r202295 reverted. I start again
with the patch in comment#9.