https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89991
--- Comment #23 from kargl at gcc dot gnu.org --- Created attachment 46105 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46105&action=edit fix g++ problem with pow(z,0.5) where imag(z) = -0. This patch has only been tested with the original test provided by the reporter.