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[PATCH] PR69321 fix any_cast<T>(any*) for non-copyable T

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 Jan 2017 01:25:20 +0000
Subject: [PATCH] PR69321 fix any_cast<T>(any*) for non-copyable T
Authentication-results: sourceware.org; auth=none

any_cast must not trigger the instantiation of the manager function
for types which don't meet the requirements for being stored in an any
object.

	PR libstdc++/69321
	* include/experimental/any (__any_caster): Avoid instantiating
	manager function for types that can't be stored in any.
	* include/std/any (__any_caster): Likewise.
	* testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
	* testsuite/experimental/any/misc/any_cast.cc: Likewise.

Tested powerpc64le-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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