https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116070
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[14/15 Regression] broken |[14 Regression] broken |headers for compile with |headers for compile with |flags -std=gnu++14 |flags -std=gnu++14 |-fconcepts |-fconcepts --- Comment #13 from Jonathan Wakely <redi at gcc dot gnu.org> --- Now fixed on trunk, thanks to a quick front end fix by Jason.