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75d1b01b7f
------------------------------------------------------------------------ r259682 | dexonsmith | 2016-02-03 11:30:20 -0800 (Wed, 03 Feb 2016) | 7 lines re.results.form: Format out-of-range subexpression references as null Rather than crashing in match_results::format() when a reference to a marked subexpression is out of range, format the subexpression as empty (i.e., replace it with an empty string). Note that match_results::operator[]() has a range-check and returns a null match in this case, so this just re-uses that logic. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/libcxx/branches/release_38@260983 91177308-0d34-0410-b5e6-96231b3b80d8 |
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