http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60073
--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Reverting the cls_double.ca change lets the testcase pass. Strangely, the
> cls_longdouble_va.c test still passes even with the patch, so this could
> indicate a bug in the libffi sparcv9 code.
Possibly, but modifying a testcase without explanation ("Import from upstream"
doesn't say anything about what has changed) is problematic.
