https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89612
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
...which started crashing with r209907:
DR 1351
Represent the unevaluated exception specification of an implicitly
declared or deleted function with a simple placeholder, not a list
of functions.
