https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96963
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Gavin from comment #0) > 2) Built from git, configured with: ./configure --prefix=/tmp/gcc-master Nothing to do with the bug, but don't build in the source tree: https://gcc.gnu.org/wiki/FAQ#configure