Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 50 insertions, 0 deletions

diff --git a/test/fixedbugs/bug196.go b/test/fixedbugs/bug196.go
new file mode 100644
index 0000000..5255de1
--- /dev/null
+++ b/test/fixedbugs/bug196.go
@@ -0,0 +1,50 @@
+// run
+
+// Copyright 2009 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 m = map[int]int{0: 0, 1: 0}
+var nf = 0
+var i int
+
+func multi() (int, int) { return 1, 2 }
+
+func xxx() {
+	var c chan int
+	x, ok := <-c
+
+	var m map[int]int
+	x, ok = m[1]
+
+	var i interface{}
+	var xx int
+	xx, ok = i.(int)
+
+	a, b := multi()
+
+	_, _, _, _, _ = x, ok, xx, a, b
+}
+
+func f() map[int]int {
+	nf++
+	return m
+}
+
+func g() *int {
+	nf++
+	return &i
+}
+
+func main() {
+	f()[0]++
+	f()[1] += 2
+	*g() %= 2
+	if nf != 3 {
+		println("too many calls:", nf)
+		panic("fail")
+	}
+
+}