https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94379
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2020-03-28 CC| |msebor at gcc dot gnu.org Ever confirmed|0 |1 Severity|normal |enhancement Status|UNCONFIRMED |NEW --- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> --- Confirmed. C2X will likely have the same [[nodiscard]] attribute as C++. GCC 10 recognizes [[nodiscard]] but ignores it with a warning. In both languages the attribute can be applied to enums, structures, and unions as well. The latest proposal is http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2267.pdf. But I think it makes sense to extend warn_unused_result so that it can be used in earlier language conformance modes, and for compatibility with Clang.