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[PATCH] Fix non-portable std::regex test and test more cases

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: Sun, 31 Jul 2016 19:46:18 +0100
Subject: [PATCH] Fix non-portable std::regex test and test more cases
Authentication-results: sourceware.org; auth=none

This test uses \n inside a raw string literal, which is not a newline
but just a backslash followed by 'n', and that's not a valid POSIX BRE
so the test fails when run with -std=c++11 rather than -std=gnu++11.

I've replaced \n with newlines, and also tested the "expected fail"
string, which works fine since GCC 4.9 got full <regex> support.

	* testsuite/28_regex/basic_regex/ctors/basic/raw_string.cc: Fix
	test to not rely on GNU extension (escaped normal characters in POSIX
	BRE). Enable tests for other strings which are now supported.

Tested x86_64-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

Follow-Ups:
- Re: [PATCH] Fix non-portable std::regex test and test more cases
  - From: Jonathan Wakely

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