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[PATCH] Fix compilation error with _GLIBCXX_PARALLEL

From: Jonathan Wakely <jwakely at redhat dot com>
To: libstdc++ at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Fri, 19 Oct 2018 14:46:20 +0100
Subject: [PATCH] Fix compilation error with _GLIBCXX_PARALLEL

	* include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
	_GLIBCXX_STD_A to refer to normal mode algorithms.
	* testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
	* testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
	whitespace.

Tested x86_64-linux, committed to trunk.

This is a regression in GCC 8.1 and later so I'll commit to the branch
too.

Attachment: patch.txt
Description: Text document

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