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[Bug libstdc++/19495] basic_string::_M_rep() can produce an unnaturally aligned pointer to _Rep
- From: "bje at au1 dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Jan 2005 06:05:18 -0000
- Subject: [Bug libstdc++/19495] basic_string::_M_rep() can produce an unnaturally aligned pointer to _Rep
- References: <20050118051448.19495.bje@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From bje at au1 dot ibm dot com 2005-01-19 06:05 -------
Subject: Re: basic_string::_M_rep() can produce an unnaturally aligned pointer to _Rep
On Tue, Jan 18, 2005 at 09:45:48AM -0000, pcarlini at suse dot de wrote:
> In other terms, as far as this PR is concerned, basic_string seems
> ok, just you cannot create a basic_string<char> object in memory
> aligned one, as happens in ext/array_allocator/2.cc, which therefore
> should be fixed.
Does this behaviour seem a little bit unusual to you? You said: "You
cannot create a basic_string<char> object in memory aligned one".
That is rather counter-intuitive to a user of libstdc++ who has no
understanding of the implementation details of basic_string.
Ben
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19495