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[v3] minor simplification to std::list

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: "libstdc++" <libstdc++ at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Sun, 18 Mar 2012 23:27:54 +0000
Subject: [v3] minor simplification to std::list

Now that G++ supports it we can use a NSDMI for std::list::_M_size to
avoid needing conditional compilation to set it in the constructors.
I think the attached patch is an improvement so I plan to commit it to
trunk soon unless I hear objections.

        * include/bits/stl_list.h (list::_M_size): Use NSDMI.
        * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
        Adjust line numbers.
        * testsuite/23_containers/list/requirements/dr438/
        constructor_1_neg.cc: Likewise.
        * testsuite/23_containers/list/requirements/dr438/
        constructor_2_neg.cc: Likewise.
        * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
        Likewise.

Tested x86_64.

Attachment: listsize.txt
Description: Text document

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- Re: [v3] minor simplification to std::list
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