https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100409
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #16 from Richard Biener <rguenth at gcc dot gnu.org> --- So it's not invalid to elide this (for C++) but instead conflicting specification by the user.