https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65269
Andrew Sutton <andrew.n.sutton at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |andrew.n.sutton at gmail dot com --- Comment #2 from Andrew Sutton <andrew.n.sutton at gmail dot com> --- This was caused by not checking that current_template_parms was valid during when building constraints for the declaration. This is was fixed in the last commit (221280).