1 files changed, 25 insertions, 0 deletions
diff --git a/test/fixedbugs/issue33275_run.go b/test/fixedbugs/issue33275_run.go
new file mode 100644
index 0000000..f2818b0
--- /dev/null
+++ b/test/fixedbugs/issue33275_run.go
@@ -0,0 +1,25 @@
+// +build !nacl,!js,!wasip1,!gccgo
+// 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 we don't get an index out of bounds error
+// while trying to print a map that is concurrently modified.
+// The runtime might complain (throw) if it detects the modification,
+// so we have to run the test as a subprocess.
+
+package main
+
+import (
+	"os/exec"
+	"strings"
+)
+
+func main() {
+	out, _ := exec.Command("go", "run", "fixedbugs/issue33275.go").CombinedOutput()
+	if strings.Contains(string(out), "index out of range") {
+		panic(`go run issue33275.go reported "index out of range"`)
+	}
+}