[Bug c/98487] ICE: tree check: expected identifier_node, have tree_list in is_attribute_p, at attribs.h:155 [C2X or C++11 attribute syntax, gnu::format and -Wsuggest-attribute=format] or a suggest warning (release checking)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98487

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I should note this happens with both front-ends too. though the code is shared
here.