+2016-04-22 Tim Shen <timshen@google.com>
+
+ PR libstdc++/70745
+ * include/bits/regex_executor.tcc (_Executor<>::_M_word_boundary):
+ Fix the match_not_bow and match_not_eow behavior.
+ * testsuite/28_regex/regression.cc: Add testcase.
+
2016-04-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/69703