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[PATCH] Fix libstdc++ tests using invalid effective-target

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: Wed, 13 Sep 2017 16:29:54 +0100
Subject: [PATCH] Fix libstdc++ tests using invalid effective-target
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The c++11 effective-target isn't supported on gcc-5-branch, so these
tests need to use dg-options instead. (I'll be glad when we close
gcc-5-branch and I don't have to remember this!)

One of the tests FAILed when this was fixed, because it was also using
a constructor of __gnu_test::test_container that doesn't exist on
gcc-5-branch. So I fixed that too.

	* testsuite/20_util/reference_wrapper/80504.cc: Do not use invalid
	effective-target.
	* testsuite/22_locale/conversions/buffer/2.cc: Likewise.
	* testsuite/28_regex/basic_regex/ctors/basic/iter.cc: Likewise. Fix
	use of test_container.

Tested x86_64-linux, committed to gcc-5-branch.

Attachment: patch.txt
Description: Text document

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