https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616
--- Comment #33 from Andrew Roberts <andrewm.roberts at sky dot com> --- That second llvm command line should read: /usr/local/llvm-5.0.1-rc2/bin/clang -march=znver1 -mtune=znver1 -Ofast mt19937ar.c -o mt19937ar
