From: Jonathan Wakely <jwakely@redhat.com>
To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org
Subject: Re: [patch] Make std::string default constructor conditionally noexcept
Date: Thu, 28 May 2015 12:49:00 -0000 [thread overview]
Message-ID: <20150528123343.GN2985@redhat.com> (raw)
In-Reply-To: <20150513133629.GI30202@redhat.com>
On 13/05/15 14:36 +0100, Jonathan Wakely wrote:
>http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4383.html#2455
>
>Voted into the WP in Lenexa.
>
>We already did the right thing for vector, so only basic_string needs
>to change.
>
>Tested powerpc64le-linux, committed to trunk.
Also committed to gcc-5-branch.
>commit 634ed6e2d2ea4d69a29a8907044e6f68541d88aa
>Author: Jonathan Wakely <jwakely@redhat.com>
>Date: Wed May 13 14:21:37 2015 +0100
>
> * include/bits/basic_string.h (basic_string::basic_string()): Make
> noexcept conditional on allocator (LWG 2455).
>
>diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h
>index 3e3eef4..093f502 100644
>--- a/libstdc++-v3/include/bits/basic_string.h
>+++ b/libstdc++-v3/include/bits/basic_string.h
>@@ -377,7 +377,10 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
> /**
> * @brief Default constructor creates an empty string.
> */
>- basic_string() _GLIBCXX_NOEXCEPT
>+ basic_string()
>+#if __cplusplus >= 201103L
>+ noexcept(is_nothrow_default_constructible<_Alloc>::value)
>+#endif
> : _M_dataplus(_M_local_data())
> { _M_set_length(0); }
>
prev parent reply other threads:[~2015-05-28 12:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-13 13:37 Jonathan Wakely
2015-05-28 12:49 ` Jonathan Wakely [this message]
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