regex.h (regex_token_iterator<>::regex_token_iterator): Add initialization for _M_has_m1.

2013-10-16  Tim Shen  <timshen91@gmail.com>

	* include/bits/regex.h (regex_token_iterator<>::regex_token_iterator):
	Add initialization for _M_has_m1.
	* include/bits/regex.tcc (regex_token_iterator<>::operator=): Add return
	statment.

From-SVN: r203732

libstdc++-v3/ChangeLog

+2013-10-16  Tim Shen  <timshen91@gmail.com>
+
+	* include/bits/regex.h (regex_token_iterator<>::regex_token_iterator):
+	Add initialization for _M_has_m1.
+	* include/bits/regex.tcc (regex_token_iterator<>::operator=): Add return
+	statment.
+
 2013-10-15  Diego Novillo  <dnovillo@google.com>
 
 	* testsuite/20_util/exchange/1.cc: Add missing function

libstdc++-v3/include/bits/regex.h

@@ -2514,7 +2514,8 @@ _GLIBCXX_END_NAMESPACE_VERSION
        * iterator of the same type.
        */
       regex_token_iterator()
-      : _M_position(), _M_result(nullptr), _M_suffix(), _M_n(0), _M_subs()
+      : _M_position(), _M_result(nullptr), _M_suffix(), _M_n(0), _M_subs(),
+      _M_has_m1(false)
       { }
 
       /**

libstdc++-v3/include/bits/regex.tcc

@@ -589,6 +589,7 @@ _GLIBCXX_END_NAMESPACE_VERSION
       _M_has_m1 = __rhs._M_has_m1;
       if (__rhs._M_result == &__rhs._M_suffix)
 	_M_result = &_M_suffix;
+      return *this;
     }
 
   template<typename _Bi_iter,