https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79197
--- Comment #10 from Orion Poplawski <orion at cora dot nwra.com> --- With gcc-7.0.1-0.4.fc26, we no longer get ICEs, but hdf5, openblas fail their tests on ppc64le, and python2/numpy appears to segfault in tests. So something does not appear to be right.