[Bug c++/123676] [13/14 Regression] ICE in tsubst_pack_expansion with lambda template parameter pack in trailing return type decltype of a concept since r12-7564

[ppalka at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123676

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13/14/15/16 Regression]    |[13/14 Regression] ICE in
                   |ICE in                      |tsubst_pack_expansion with
                   |tsubst_pack_expansion with  |lambda template parameter
                   |lambda template parameter   |pack in trailing return
                   |pack in trailing return     |type decltype of a concept
                   |type decltype of a concept  |since r12-7564
                   |since r12-7564              |

--- Comment #4 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Fixed for 15.3/16 so far.