* [C++ PATCH] PR c++/80812
@ 2017-05-25 9:52 Ville Voutilainen
2017-05-31 20:37 ` Jason Merrill
0 siblings, 1 reply; 2+ messages in thread
From: Ville Voutilainen @ 2017-05-25 9:52 UTC (permalink / raw)
To: gcc-patches, libstdc++, Jason Merrill
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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.voutilainen@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.
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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);
+}
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [C++ PATCH] PR c++/80812
2017-05-25 9:52 [C++ PATCH] PR c++/80812 Ville Voutilainen
@ 2017-05-31 20:37 ` Jason Merrill
0 siblings, 0 replies; 2+ messages in thread
From: Jason Merrill @ 2017-05-31 20:37 UTC (permalink / raw)
To: Ville Voutilainen, gcc-patches, libstdc++
On 05/25/2017 05:29 AM, Ville Voutilainen wrote:
> 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.voutilainen@gmail.com>
>
> cp/
>
> PR c++/80812
> * method.c (constructible_expr): Strip array types before calling
> build_value_init.
OK.
Jason
^ permalink raw reply [flat|nested] 2+ messages in thread
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