From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:23:18 +0200
Subject: Adding upstream version 1.20.14.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/fixedbugs/issue4283.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 test/fixedbugs/issue4283.go

(limited to 'test/fixedbugs/issue4283.go')

diff --git a/test/fixedbugs/issue4283.go b/test/fixedbugs/issue4283.go
new file mode 100644
index 0000000..fa5629b
--- /dev/null
+++ b/test/fixedbugs/issue4283.go
@@ -0,0 +1,17 @@
+// errorcheck
+
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 4283: nil == nil can't be done as the type is unknown.
+
+package p
+
+func F1() bool {
+	return nil == nil	// ERROR "invalid"
+}
+
+func F2() bool {
+	return nil != nil	// ERROR "invalid"
+}
-- 
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