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From: Ville Voutilainen <>
To: "" <>,
	"libstdc++" <>,
		Jason Merrill <>
Subject: [C++ PATCH] PR c++/80812
Date: Thu, 25 May 2017 09:52:00 -0000	[thread overview]
Message-ID: <> (raw)

[-- Attachment #1: Type: text/plain, Size: 507 bytes --]

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  <>


    PR c++/80812
    * method.c (constructible_expr): Strip array types before calling


    PR c++/80812
    * testsuite/20_util/is_constructible/ New.

[-- Attachment #2: 80812.diff --]
[-- Type: text/plain, Size: 1685 bytes --]

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)
       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/ b/libstdc++-v3/testsuite/20_util/is_constructible/
new file mode 100644
index 0000000..17af9ae
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/is_constructible/
@@ -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
+// 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
+// <>.
+#include <type_traits>
+struct X
+  X() {}
+void test01()
+  static_assert(std::is_constructible<X[4]>::value);

             reply	other threads:[~2017-05-25  9:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-25  9:52 Ville Voutilainen [this message]
2017-05-31 20:37 ` Jason Merrill

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