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/issue43111.go | 70 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 test/fixedbugs/issue43111.go

(limited to 'test/fixedbugs/issue43111.go')

diff --git a/test/fixedbugs/issue43111.go b/test/fixedbugs/issue43111.go
new file mode 100644
index 0000000..76d7beb
--- /dev/null
+++ b/test/fixedbugs/issue43111.go
@@ -0,0 +1,70 @@
+// 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
+
+var ch chan int
+var x int
+
+func f() int {
+	close(ch)
+	ch = nil
+	return 0
+}
+
+func g() int {
+	ch = nil
+	x = 0
+	return 0
+}
+
+func main() {
+	var nilch chan int
+	var v int
+	var ok bool
+	_, _ = v, ok
+
+	ch = make(chan int)
+	select {
+	case <-ch:
+	case nilch <- f():
+	}
+
+	ch = make(chan int)
+	select {
+	case v = <-ch:
+	case nilch <- f():
+	}
+
+	ch = make(chan int)
+	select {
+	case v := <-ch: _ = v
+	case nilch <- f():
+	}
+
+	ch = make(chan int)
+	select {
+	case v, ok = <-ch:
+	case nilch <- f():
+	}
+
+	ch = make(chan int)
+	select {
+	case v, ok := <-ch: _, _ = v, ok
+	case nilch <- f():
+	}
+
+	ch1 := make(chan int, 1)
+	ch = ch1
+	x = 42
+	select {
+	case ch <- x:
+	case nilch <- g():
+	}
+	if got := <-ch1; got != 42 {
+		panic(got)
+	}
+}
-- 
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