https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82952
--- Comment #1 from Ahmad Fatoum <ahmad at a3f dot at> --- Created attachment 42587 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42587&action=edit File that hangs g++ I didn't manage to reduce it by much, because of the halting problem. At least it reliably shows the problem.