https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123272
--- Comment #3 from Benjamin Schulz <schulz.benjamin at googlemail dot com> --- Sam from gentoo who sometimes commits to gcc was able to reproduce the matrix multiplication miscompilation for templated type member fields on his gpu: https://bugs.gentoo.org/967286#c14 He also found that at least the matrix multiplication compiles correctly with O1, which I now was able to confirm for my machine...
