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[PATCH] Implement polymorphic_allocator<byte> for C++20 (P0339R6)

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: Mon, 4 Mar 2019 12:21:03 +0000
Subject: [PATCH] Implement polymorphic_allocator<byte> for C++20 (P0339R6)

	* include/std/memory_resource (polymorphic_allocator): Add default
	template argument for C++20.
	(polymorphic_allocator::allocate_bytes)
	(polymorphic_allocator::deallocate_bytes)
	(polymorphic_allocator::allocate_object)
	(polymorphic_allocator::deallocate_object)
	(polymorphic_allocator::new_object)
	(polymorphic_allocator::delete_object): New member functions for
	C++20.
	* testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
	test.

Another piece of C++20, tested powerpc64le-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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