https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81134
--- Comment #4 from Manish <manish.baphna at citi dot com> --- Which section in particular you are referring? I am looking at this doc, section 14.7 but couldn't find relevant point. http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3690.pdf