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[PATCH] Update value of __cpp_lib_chrono feature-test macro

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, 20 Oct 2017 22:06:10 +0100
Subject: [PATCH] Update value of __cpp_lib_chrono feature-test macro
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Dinka Ranns contributed this feature back in February, but the SD-6
feature-test macro now has a new value to indicate support for this,
so let's update it.

	* include/std/chrono (__cpp_lib_chrono): Update macro value to
	indicate support for P0505R0.
	* testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Check
	for updated macro.

Tested powerpc64le-linux, committed to trunk and gcc-7-branch.

Attachment: patch.txt
Description: Text document

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