From f36202620b428c45a1c8d91743727c9313424fb2 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 28 Jul 2018 11:07:56 +0000
Subject: Vendor import of libc++ trunk r338150:
 https://llvm.org/svn/llvm-project/libcxx/trunk@338150

---
 .../string.cons/string_view_deduction.fail.cpp     | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 test/std/strings/basic.string/string.cons/string_view_deduction.fail.cpp

(limited to 'test/std/strings/basic.string/string.cons/string_view_deduction.fail.cpp')

diff --git a/test/std/strings/basic.string/string.cons/string_view_deduction.fail.cpp b/test/std/strings/basic.string/string.cons/string_view_deduction.fail.cpp
new file mode 100644
index 000000000000..b2fece8da8c2
--- /dev/null
+++ b/test/std/strings/basic.string/string.cons/string_view_deduction.fail.cpp
@@ -0,0 +1,41 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// XFAIL: libcpp-no-deduction-guides
+
+// template<class InputIterator>
+//   basic_string(InputIterator begin, InputIterator end,
+//   const Allocator& a = Allocator());
+
+// template<class charT,
+//          class traits,
+//          class Allocator = allocator<charT>
+//          >
+// basic_string(basic_string_view<charT, traits>, const Allocator& = Allocator())
+//   -> basic_string<charT, traits, Allocator>;
+//
+//  The deduction guide shall not participate in overload resolution if Allocator
+//  is a type that does not qualify as an allocator.
+
+
+#include <string>
+#include <string_view>
+#include <iterator>
+#include <cassert>
+#include <cstddef>
+
+int main()
+{
+    {
+    std::string_view sv = "12345678901234";
+    std::basic_string s1{sv, 23}; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_string'}}
+    }
+}
-- 
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