[Bug c++/71988] [7 Regression] ICE in dump_simple_decl (gcc/cp/error.c:965)

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71988

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
We crash because 'a' isn't DECL_LANG_SPECIFIC.