https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64572
--- Comment #4 from howarth at bromo dot med.uc.edu --- The same failures are seen in the libffi test suite at -m32 and -m64. The first failure appears as... ./cls_align_complex_float.exe 48 0.000000,-0.000000i 255 0 0.000000,0.000000i 0: 48 0.000000,-0.000000i 255 res: 0 0.000000,0.000000i 0 0 0.000000,0.000000i 1 12 4951.000000,7.000000i 127: 12 4951.000000,7.000000i 128 Segmentation fault