diff options
author | Jonathan Wakely <jwakely@redhat.com> | 2015-04-29 17:07:47 +0100 |
---|---|---|
committer | Jonathan Wakely <redi@gcc.gnu.org> | 2015-04-29 17:07:47 +0100 |
commit | 952bc7a64cd257de733fddaec64e320f973c6350 (patch) | |
tree | 8d82eb48a0ec92dd9b2ea45056bfc7c8c1e8e80a /libstdc++-v3 | |
parent | b811915de18ac5837e60898cf05cbb428dc35ead (diff) | |
download | gcc-952bc7a64cd257de733fddaec64e320f973c6350.zip gcc-952bc7a64cd257de733fddaec64e320f973c6350.tar.gz gcc-952bc7a64cd257de733fddaec64e320f973c6350.tar.bz2 |
re PR libstdc++/65760 (invalid use of incomplete type with std::is_convertible<C, C>)
PR libstdc++/65760
* include/std/functional (__check_func_return_type): Use is_same to
avoid using _is_convertible on incomplete types.
* testsuite/20_util/function/65760.cc: New.
From-SVN: r222581
Diffstat (limited to 'libstdc++-v3')
-rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
-rw-r--r-- | libstdc++-v3/include/std/functional | 2 | ||||
-rw-r--r-- | libstdc++-v3/testsuite/20_util/function/65760.cc | 38 |
3 files changed, 44 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index fde307f..8f06de1 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,5 +1,10 @@ 2015-04-29 Jonathan Wakely <jwakely@redhat.com> + PR libstdc++/65760 + * include/std/functional (__check_func_return_type): Use is_same to + avoid using _is_convertible on incomplete types. + * testsuite/20_util/function/65760.cc: New. + PR libstdc++/64657 * include/bits/basic_string (basic_string::_S_copy_chars): Cast expression to void. diff --git a/libstdc++-v3/include/std/functional b/libstdc++-v3/include/std/functional index e9d48e4..946cf63 100644 --- a/libstdc++-v3/include/std/functional +++ b/libstdc++-v3/include/std/functional @@ -1962,7 +1962,7 @@ _GLIBCXX_MEM_FN_TRAITS(&&, false_type, true_type) template<typename _From, typename _To> using __check_func_return_type - = __or_<is_void<_To>, is_convertible<_From, _To>>; + = __or_<is_void<_To>, is_same<_From, _To>, is_convertible<_From, _To>>; /** * @brief Primary class template for std::function. diff --git a/libstdc++-v3/testsuite/20_util/function/65760.cc b/libstdc++-v3/testsuite/20_util/function/65760.cc new file mode 100644 index 0000000..e3858b4 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/function/65760.cc @@ -0,0 +1,38 @@ +// Copyright (C) 2015 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// { dg-options "-std=gnu++11" } +// { dg-do compile } + +// libstdc++/65760 +// c.f. https://gcc.gnu.org/ml/libstdc++/2015-04/msg00116.html + +#include <functional> + +struct C { + C() = default; + + C(std::function<C(int)>); + C(std::function<C(int, int)>); + C operator()(int); + C operator()(int, int); +}; + +int main() { + C c = C(); +} + |