https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70607
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#1137
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70607
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#1137