1 files changed, 20 insertions, 0 deletions
diff --git a/test/fixedbugs/issue4370.dir/p1.go b/test/fixedbugs/issue4370.dir/p1.go
new file mode 100644
index 0000000..d010e93
--- /dev/null
+++ b/test/fixedbugs/issue4370.dir/p1.go
@@ -0,0 +1,20 @@
+// Copyright 2012 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 p1
+
+type Magic int
+
+type T struct {
+	x interface{}
+}
+
+func (t *T) M() bool {
+	_, ok := t.x.(Magic)
+	return ok
+}
+
+func F(t *T) {
+	println(t)
+}