2013-08-29 Tim Shen <timshen91@gmail.com>
* include/bits/regex.h (basic_regex<>::assign): Don't lose _M_traits.
(regex_iterator<>::regex_iterator): Return nullptr when regex_search
failed.
(regex_token_iterator<>::_M_end_of_seq): Should be defined true when
_M_result is(not isn't) nullptr.
* include/bits/regex_compiler.h: Store _Compiler::_M_traits by reference
instead of by value.
* include/bits/regex_executor.h (_DFSExecutor<>::_DFSExecutor): Add
_M_traits to _DFSExecutor.
* include/bits/regex_executor.tcc (__get_executor<>): Pass traits to
_DFSExecutor too.
* testsuite/28_regex/algorithms/regex_match/extended/wstring_locale.cc:
New.
* testsuite/28_regex/iterators/regex_token_iterator/wchar_t/
wstring_02.cc: New.
From-SVN: r202082
9222fb6f08