https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104174
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED Known to work|11.2.1 | --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- The testcase works now. I don't know if there are other issues with const key types, but I think they're OK again.