https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86706
--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #1) > Started with r260782 aka PR85815 fix. > GCC 7 doesn't seem to ICE, eventhough PR85815 has been backported to it. The GCC 7 fix for 85815 was more conservative.