From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:19:13 +0200
Subject: Adding upstream version 1.21.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/fixedbugs/issue42568.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/fixedbugs/issue42568.go

(limited to 'test/fixedbugs/issue42568.go')

diff --git a/test/fixedbugs/issue42568.go b/test/fixedbugs/issue42568.go
new file mode 100644
index 0000000..834fdc5
--- /dev/null
+++ b/test/fixedbugs/issue42568.go
@@ -0,0 +1,25 @@
+// compile
+
+// Copyright 2020 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.
+
+// Ensure that late expansion correctly handles an OpIData with type interface{}
+
+package p
+
+type S struct{}
+
+func (S) M() {}
+
+type I interface {
+	M()
+}
+
+func f(i I) {
+	o := i.(interface{})
+	if _, ok := i.(*S); ok {
+		o = nil
+	}
+	println(o)
+}
-- 
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