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[PATCH] PR libstdc++/84087 add default arguments to basic_string members (LWG 2268)

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, 29 Jan 2018 13:23:14 +0000
Subject: [PATCH] PR libstdc++/84087 add default arguments to basic_string members (LWG 2268)
Authentication-results: sourceware.org; auth=none

This implements LWG DR 2268, which is part of C++14 and so we should
have implemented it some time ago.

The change should be safe, but I think it's best to wait for Stage 1
rather than changing it now (even though I'll also backport it to the
branches once it's on trunk).

	PR libstdc++/84087
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
	(append(const basic_string&, size_type, size_type)
	(assign(const basic_string&, size_type, size_type)
	(insert(size_type, const basic_string&, size_type, size_type)
	(replace(size_type,size_type,const basic_string&,size_type,size_type)
	(compare(size_type,size_type,constbasic_string&,size_type,size_type)):
	Add default arguments (LWG 2268).
	[_GLIBCXX_USE_CXX11_ABI=0]
	(append(const basic_string&, size_type, size_type)
	(assign(const basic_string&, size_type, size_type)
	(insert(size_type, const basic_string&, size_type, size_type)
	(replace(size_type,size_type,const basic_string&,size_type,size_type)
	(compare(size_type,size_type,constbasic_string&,size_type,size_type)):
	Likewise.
	* testsuite/21_strings/basic_string/dr2268.cc: New test.

Attachment: patch.txt
Description: Text document

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