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[PATCH] Fix exception-specifications for std::_Not_fn

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, 13 Oct 2016 11:19:15 +0100
Subject: [PATCH] Fix exception-specifications for std::_Not_fn
Authentication-results: sourceware.org; auth=none

The exception specifications for _Not_fn::operator() should consider
whether operator! on the result can throw.

	* include/std/functional (_Not_fn): Make exception specifications
	depend on whether negating the result can throw.
	* testsuite/20_util/not_fn/1.cc: Move to ...
	* testsuite/20_util/function_objects/not_fn/1.cc: ... here. Add tests
	for types that can throw when negated and that cannot be negated.

Tested powerpc64le-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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