https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29188
sandra at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic CC| |sandra at gcc dot gnu.org Known to fail| | --- Comment #4 from sandra at gcc dot gnu.org --- This showed up on my search for documentation issues, but from the discussion it appears it's a missing-diagnostic issue instead. I've confirmed the test case still behaves as described on trunk.