https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86464
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid Status|UNCONFIRMED |NEW Last reconfirmed| |2018-07-10 Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- EDG accepts it but Clang also rejects it: del.cc:5:11: error: member initializer 'foo' does not name a non-static data member or base class : foo{ foo } ^~~~~~~~~~ But I think the code is valid according to [class.base.init] p2.