Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 38 insertions, 0 deletions

diff --git a/test/fixedbugs/issue25897b.go b/test/fixedbugs/issue25897b.go
new file mode 100644
index 0000000..09a9673
--- /dev/null
+++ b/test/fixedbugs/issue25897b.go
@@ -0,0 +1,38 @@
+// run
+
+// Copyright 2019 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.
+
+// Make sure the runtime can scan args of an unstarted goroutine
+// which starts with a reflect-generated function.
+
+package main
+
+import (
+	"reflect"
+	"runtime"
+)
+
+const N = 100
+
+type T struct {
+}
+
+func (t *T) Foo(c chan bool) {
+	c <- true
+}
+
+func main() {
+	t := &T{}
+	runtime.GOMAXPROCS(1)
+	c := make(chan bool, N)
+	for i := 0; i < N; i++ {
+		f := reflect.ValueOf(t).MethodByName("Foo").Interface().(func(chan bool))
+		go f(c)
+	}
+	runtime.GC()
+	for i := 0; i < N; i++ {
+		<-c
+	}
+}