https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71087 --- Comment #8 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > And the exact same installation on XeonE5-266[5|0v3] works seamlessly. > So I wouldn't expect the tar, nor installation options to be the fault. Did you run the test suite on the OpteronXXXX platforms?