[Bug c++/87768] [8/9 Regression] ICE in tsubst_copy_and_build, at cp/pt.c:19002 when using concepts

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87768

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
      Known to work|                            |7.3.1
   Target Milestone|---                         |8.3
            Summary|ICE in                      |[8/9 Regression] ICE in
                   |tsubst_copy_and_build, at   |tsubst_copy_and_build, at
                   |cp/pt.c:19002 when using    |cp/pt.c:19002 when using
                   |concepts                    |concepts