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, 31 insertions, 0 deletions

diff --git a/compilerplugins/clang/test/refassign.cxx b/compilerplugins/clang/test/refassign.cxx
new file mode 100644
index 000000000..7fc20cbe2
--- /dev/null
+++ b/compilerplugins/clang/test/refassign.cxx
@@ -0,0 +1,31 @@
+/* -*- 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 <vector>
+
+int& f1();
+int& f2();
+
+void test1()
+{
+    int& v1 = f1();
+    v1 = f2(); // expected-error {{assigning a 'int &' to a var of type 'int &' probably does not do what you think [loplugin:refassign]}}
+    f1()
+        = f2(); // expected-error {{assigning a 'int &' to a var of type 'int &' probably does not do what you think [loplugin:refassign]}}
+
+    // no warning expected
+    int x = 1;
+    x = f1();
+    std::vector<int> v;
+    v[0] = f1();
+    v1 = std::min(1, 2);
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */