Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 59 insertions, 0 deletions

diff --git a/test/fixedbugs/issue43292.go b/test/fixedbugs/issue43292.go
new file mode 100644
index 0000000..02f1c69
--- /dev/null
+++ b/test/fixedbugs/issue43292.go
@@ -0,0 +1,59 @@
+// run
+
+// 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.
+
+package main
+
+func main() {
+	{
+		i := I(A{})
+
+		b := make(chan I, 1)
+		b <- B{}
+
+		var ok bool
+		i, ok = <-b
+		_ = ok
+
+		i.M()
+	}
+
+	{
+		i := I(A{})
+
+		b := make(chan I, 1)
+		b <- B{}
+
+		select {
+		case i = <-b:
+		}
+
+		i.M()
+	}
+
+	{
+		i := I(A{})
+
+		b := make(chan I, 1)
+		b <- B{}
+
+		var ok bool
+		select {
+		case i, ok = <-b:
+		}
+		_ = ok
+
+		i.M()
+	}
+}
+
+type I interface{ M() int }
+
+type T int
+
+func (T) M() int { return 0 }
+
+type A struct{ T }
+type B struct{ T }