1 files changed, 30 insertions, 0 deletions
diff --git a/test/fixedbugs/issue8620.go b/test/fixedbugs/issue8620.go
new file mode 100644
index 0000000..4754604
--- /dev/null
+++ b/test/fixedbugs/issue8620.go
@@ -0,0 +1,30 @@
+// run
+
+// Copyright 2014 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.
+
+// Issue 8620. Used to fail with -race.
+
+package main
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func test(s1, s2 []struct{}) {
+	n := min(len(s1), len(s2))
+	if copy(s1, s2) != n {
+		panic("bad copy result")
+	}
+}
+
+func main() {
+	var b [100]struct{}
+	test(b[:], b[:])
+	test(b[1:], b[:])
+	test(b[:], b[2:])
+}