From: Jonathan Wakely <jwakely@redhat.com>
To: Tim Shen <timshen@google.com>
Cc: libstdc++ <libstdc++@gcc.gnu.org>, gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: [Patch, libstdc++/64239] Use std::swap instead of swap in regex
Date: Wed, 07 Jan 2015 12:39:00 -0000 [thread overview]
Message-ID: <20150107123919.GC3360@redhat.com> (raw)
In-Reply-To: <CAG4ZjN=UdMVQUw2qmT0jCnqfn_Ed-yqCjRPG18HzrnLE-o3p7w@mail.gmail.com>
On 06/01/15 21:03 -0800, Tim Shen wrote:
>Bootstrapped and tested. It could be also patched to 4.9 branch.
>
>Thanks!
>
>
>--
>Regards,
>Tim Shen
>commit dfe3a26759893849020a659b14fafe8b27e90dae
>Author: timshen <timshen@google.com>
>Date: Tue Jan 6 19:30:27 2015 -0800
>
> PR libstdc++/64239
>
No blank line here in the ChangeLog.
> * include/bits/regex.h (match_results<>::swap): Use std::swap
> instead of swap.
> * include/bits/regex_compiler.tcc (_Compiler<>::_M_quantifier):
> Likewise.
>
>diff --git a/libstdc++-v3/include/bits/regex.h b/libstdc++-v3/include/bits/regex.h
>index 9b7ed8c..b520039 100644
>--- a/libstdc++-v3/include/bits/regex.h
>+++ b/libstdc++-v3/include/bits/regex.h
>@@ -1864,7 +1864,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
> swap(match_results& __that)
> {
> _Base_type::swap(__that);
>- swap(_M_begin, __that._M_begin);
>+ std::swap(_M_begin, __that._M_begin);
This is swapping iterators, which can be user-defined types, so it
should support finding a swap function by ADL, i.e.
using std::swap;
swap(_M_begin, __that._M_begin);
> }
> //@}
Also, there should be a new test, since apparently we don't have any
test that tries to call match_results::swap(match_results&).
next prev parent reply other threads:[~2015-01-07 12:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 5:03 Tim Shen
2015-01-07 12:39 ` Jonathan Wakely [this message]
2015-01-08 19:44 ` Tim Shen
2015-01-09 0:42 ` Jonathan Wakely
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