[Bug libstdc++/64781] regex out-of-range submatches should represent an unmatched sub-expression

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64781

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

           What    |Removed                     |Added
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             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-01-27
     Ever confirmed|0                           |1