https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91662
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Blocks| |67491 Resolution|--- |FIXED Target Milestone|--- |10.0 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Frederik Engels from comment #0) > The following should compile but doesn't on current gcc-trunk (20190902) > with options: "-std=c++2a -fconcepts" Because the implementation hadn't been updated for the recent changes to return type constraints. This was fixed by r276764. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 [Bug 67491] [meta-bug] concepts issues