[Bug libstdc++/84671] [6/7 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

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Sat Mar  3 00:17:03 2018
New Revision: 258164

URL: https://gcc.gnu.org/viewcvs?rev=258164&root=gcc&view=rev
Log:
PR libstdc++/84671 handle digit separators in duration literals

Backport from mainline
2018-03-02  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/84671
        * include/bits/parse_numbers.h (_Number_help): Add partial
        specialization to handle digit separators. Adjust partial
        specialization for recursion temrination to require _Pow == 1ULL.
        * testsuite/20_util/duration/literals/84671.cc: New

Added:
   
branches/gcc-7-branch/libstdc++-v3/testsuite/20_util/duration/literals/84671.cc
Modified:
    branches/gcc-7-branch/libstdc++-v3/ChangeLog
    branches/gcc-7-branch/libstdc++-v3/include/bits/parse_numbers.h