svn merge -r274943:278492 svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branchredhat/gcc-9-branch

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/redhat/gcc-9-branch@278493 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 50 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/23_containers/vector/cons/89164_c++17.cc b/libstdc++-v3/testsuite/23_containers/vector/cons/89164_c++17.cc
new file mode 100644
index 00000000000..db7d8d5c850
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+++ b/libstdc++-v3/testsuite/23_containers/vector/cons/89164_c++17.cc
@@ -0,0 +1,50 @@
+// Copyright (C) 2019 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++17" }
+// { dg-do compile { target c++17 } }
+
+#include <vector>
+
+// PR libstdc++/89164
+
+struct X
+{
+  X() = default;
+  X(const X&) = delete;
+};
+
+void test01()
+{
+  X x[1];
+  // Should not be able to create vector using uninitialized_copy:
+  std::vector<X> v1{x, x+1};	// { dg-error "here" }
+
+  // Should not be able to create vector using uninitialized_fill_n:
+  std::vector<X> v2{2u, X{}};	// { dg-error "here" }
+}
+
+void test02()
+{
+#if __cplusplus >= 201703L
+  // Can create initializer_list<X> with C++17 guaranteed copy elision,
+  // but shouldn't be able to copy from it with uninitialized_copy:
+  std::vector<X> v3{X{}, X{}, X{}};   // { dg-error "here" }
+#endif
+}
+// { dg-error "constructible from value" "" { target *-*-* } 0 }
+// { dg-error "constructible from input" "" { target *-*-* } 0 }