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[PATCH] Avoid deprecation warning with -Wsystem-headers

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: Thu, 16 Aug 2018 17:56:32 +0100
Subject: [PATCH] Avoid deprecation warning with -Wsystem-headers

C++17 says to use std::uncaught_exceptions() here instead of
std::uncaught_exception() but since we only care whether the result is
non-zero (and we aren't planning to remove the deprecated version) we
can just keep using std::uncaught_exception() and suppress the warning.

	* include/std/ostream (basic_ostream::sentry::~sentry): Suppress
	deprecation warnings for using uncaught_exception().

Tested x86_64-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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