[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

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Mar  2 20:38:50 2018
New Revision: 258157

URL: https://gcc.gnu.org/viewcvs?rev=258157&root=gcc&view=rev
Log:
PR libstdc++/84671 handle digit separators in duration literals

        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:
    trunk/libstdc++-v3/testsuite/20_util/duration/literals/84671.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/parse_numbers.h