On Wed, Oct 03, 2018 at 11:56:15AM -0400, Jason Merrill wrote: > --- a/gcc/c-family/c-lex.c > +++ b/gcc/c-family/c-lex.c > @@ -356,6 +356,8 @@ c_common_has_attribute (cpp_reader *pfile) > || is_attribute_p ("nodiscard", attr_name) > || is_attribute_p ("fallthrough", attr_name)) > result = 201603; > + else if (is_attribute_p ("no_unique_address", attr_name)) > + result = 20180312;
Seems for all other attributes we return either 0, 1 or yyyymm, you return here yyyymmdd, is that intentional? If users think it is yyyymm, then they'd read it as December 201803. Jakub