Tested on Linux-x64, running full suite on Linux-ppc64. It seems fitting to put the test into the library tests, we don't have separate tests on the front-end side for __is_constructible, so I think adding such would be a separate job.
2017-05-25 Ville Voutilainen <ville.voutilai...@gmail.com> cp/ PR c++/80812 * method.c (constructible_expr): Strip array types before calling build_value_init. libstdc++/ PR c++/80812 * testsuite/20_util/is_constructible/80812.cc: New.
diff --git a/gcc/cp/method.c b/gcc/cp/method.c index 8aa4f3e..aa607d5 100644 --- a/gcc/cp/method.c +++ b/gcc/cp/method.c @@ -1188,7 +1188,7 @@ constructible_expr (tree to, tree from) else { if (from == NULL_TREE) - return build_value_init (to, tf_none); + return build_value_init (strip_array_types (to), tf_none); else if (TREE_CHAIN (from)) return error_mark_node; // too many initializers from = build_stub_object (TREE_VALUE (from)); diff --git a/libstdc++-v3/testsuite/20_util/is_constructible/80812.cc b/libstdc++-v3/testsuite/20_util/is_constructible/80812.cc new file mode 100644 index 0000000..17af9ae --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/is_constructible/80812.cc @@ -0,0 +1,29 @@ +// { dg-do compile { target c++11 } } +// Copyright (C) 2017 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/>. + +#include <type_traits> + +struct X +{ + X() {} +}; + +void test01() +{ + static_assert(std::is_constructible<X[4]>::value); +}