[Bug libstdc++/50880] __complex_acosh() picks wrong complex branch

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50880

--- Comment #24 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-11-04 
00:51:49 UTC ---
Thanks Richard for double checking!