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forward_list patch for N2913

From: Bob Walters <bob dot s dot walters at gmail dot com>
To: libstdc++ at gcc dot gnu dot org
Date: Sun, 29 Nov 2009 18:12:03 -0500
Subject: forward_list patch for N2913

Posting a patch which changes the template parameters of forward_list types to be in better conformance
with N2913 (SCARY).  Added __pointer_traits to retain alternative pointer support.

Tested: Darwin 11 x86_64

libstdc++-v3/ChangeLog:

        * include/ext/pointer_traits.h: Add
        * include/ext/pointer.h: added struct rebind
        * include/bits/forward_list.h: change template args of iterator
        and node to use pointer type instead of allocator to support N2913.
        * include/bits/forward_list.tcc: same
        * include/Makefile.am: added ext/pointer_traits.h
        * testsuite/ext/ext_pointer/1_neg.cc: adjust dg-error line numbers
        * testsuite/23_containers/forward_list/requirements/dr438/assign_neg.cc:
        same
        * testsuite/23_containers/forward_list/requirements/dr438/insert_neg.cc:
        same
        * testsuite/23_containers/forward_list/requirements/dr438/constructor_1_neg.cc: 
        same
        * testsuite/23_containers/forward_list/requirements/dr438/constructor_2_neg.cc: 
        same

Attachment: patch
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