https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62661
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Last reconfirmed| |2015-11-25 Resolution|DUPLICATE |--- Ever confirmed|0 |1 --- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #1) > This is correct tokenization has to happen in #if code. But in C++14 tokenization should handle digit separators, see the definition of pp-number in 2.9 [lex.ppnumber], which allows single quotes in a pp-number.