2014-11-13  Daniel Kruegler  <daniel.kruegler@gmail.com>

	* include/bits/regex.h: Support embedded zeros in sub_match
	comparisons (DR 2217)
	* testsuite/28_regex/sub_match/embedded_zeros_cmp.cc:
	Add test cases for embedded zeros


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217535 138bc75d-0d04-0410-961f-82ee72b054a4