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[PATCH] Simplify _Node_insert_return to avoid including <tuple>

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, 27 Oct 2017 18:53:29 +0100
Subject: [PATCH] Simplify _Node_insert_return to avoid including <tuple>
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We can use auto return types and if constexpr to do this without
including <tuple>.

	* include/bits/node_handle.h (_Node_insert_return::get): Avoid
	use of std::tie and std::get.

Tested powerpc64le-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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