Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 54 insertions, 0 deletions

diff --git a/test/fixedbugs/issue49512.go b/test/fixedbugs/issue49512.go
new file mode 100644
index 0000000..597aec8
--- /dev/null
+++ b/test/fixedbugs/issue49512.go
@@ -0,0 +1,54 @@
+// run
+
+// Copyright 2021 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
+
+type S struct{
+	m1Called, m2Called bool
+}
+
+func (s *S) M1(int) (int, int) {
+	s.m1Called = true
+	return 0, 0
+}
+
+func (s *S) M2(int) (int, int) {
+	s.m2Called = true
+	return 0, 0
+}
+
+type C struct {
+	calls []func(int) (int, int)
+}
+
+func makeC() Funcs {
+	return &C{}
+}
+
+func (c *C) Add(fn func(int) (int, int)) Funcs {
+	c.calls = append(c.calls, fn)
+	return c
+}
+
+func (c *C) Call() {
+	for _, fn := range c.calls {
+		fn(0)
+	}
+}
+
+type Funcs interface {
+	Add(func(int) (int, int)) Funcs
+	Call()
+}
+
+func main() {
+	s := &S{}
+	c := makeC().Add(s.M1).Add(s.M2)
+	c.Call()
+	if !s.m1Called || !s.m2Called {
+		panic("missed method call")
+	}
+}