Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/compilerplugins/clang/test/stringviewdangle.cxx b/compilerplugins/clang/test/stringviewdangle.cxx
new file mode 100644
index 000000000..0a8d2aa54
--- /dev/null
+++ b/compilerplugins/clang/test/stringviewdangle.cxx
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <string_view>
+#include <utility>
+
+#include <rtl/strbuf.hxx>
+#include <rtl/string.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+namespace test1
+{
+OUString foo1();
+OUString& foo2();
+void f1()
+{
+    // expected-error@+1 {{view pointing into temporary i.e. dangling [loplugin:stringviewdangle]}}
+    std::u16string_view v = foo1();
+    // expected-error@+1 {{view pointing into temporary i.e. dangling [loplugin:stringviewdangle]}}
+    v = foo1();
+
+    // no warning expected
+    std::u16string_view v2 = foo2();
+    v2 = foo2();
+}
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */