[Bug libstdc++/84671] [6/7/8 Regression] Chrono literals don't accept apostrophe as separator

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84671

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
      Known to work|4.9.3                       |4.9.4
           Keywords|                            |rejects-valid
   Last reconfirmed|                            |2018-03-02
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|Chrono literals don't       |[6/7/8 Regression] Chrono
                   |accept apostrophe as        |literals don't accept
                   |separator                   |apostrophe as separator
      Known to fail|5.1.0, 5.2.0, 5.3.0, 6.3.0, |6.4.0, 7.3.0, 8.0
                   |7.1.0, 7.2.0, 8.0.1         |

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Complete testcse:

#include <chrono>
using namespace std::literals::chrono_literals;
auto ns_ok = 12113ns;
auto ns_fail = 12'113ns;
int main() { }