[Bug c++/123684] [14/15/16 Regression] ICE in check_abi_tag_args (tree check: expected tree_list, have error_mark) with empty abi_tag on namespace since r14-650

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123684

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14/15/16 Regression] ICE   |[14/15/16 Regression] ICE
                   |in check_abi_tag_args (tree |in check_abi_tag_args (tree
                   |check: expected tree_list,  |check: expected tree_list,
                   |have error_mark) with empty |have error_mark) with empty
                   |abi_tag on namespace        |abi_tag on namespace since
                   |                            |r14-650
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with my r14-650-g39d6d4256d16d676f8b9031c4d1d115ddf4ad76b