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[patch] Limit operations on vector::pointer to NullablePointer requirements.

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, 14 Apr 2014 15:51:44 +0100
Subject: [patch] Limit operations on vector::pointer to NullablePointer requirements.
Authentication-results: sourceware.org; auth=none

This patch makes std::vector work with fancy pointer types that cannot
be initialized or assigned from a literal zero. Currently we don't
have any tests that fail under such cases, but I'll be adding some
later in stage 1 as part of other changes. This fix stands alone and
doesn't rely on those larger changes.

Tested x86_64-linux, committed to trunk.

Attachment: patch.txt
Description: Text document

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