[Bug bootstrap/98323] current trunk won't build with clang

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98323

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
See also http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2396.htm#dr_496