https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113194
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- There seems to be some high memory usage in the front-end though: template instantiation : 12.13 ( 29%) 4.33 ( 35%) 16.72 ( 31%) 759M ( 44%) But other than that it works for me on x86_64.