https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85558
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-invalid-code Status|UNCONFIRMED |NEW Last reconfirmed| |2018-04-30 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. clang complains: t.C:4:17: error: friend declaration specifying a default argument must be a definition friend void doInitUser(bool = triggerBug::doInit); ^