1 files changed, 15 insertions, 0 deletions
diff --git a/test/fixedbugs/issue23504.go b/test/fixedbugs/issue23504.go
new file mode 100644
index 0000000000..77f3184149
--- /dev/null
+++ b/test/fixedbugs/issue23504.go
@@ -0,0 +1,15 @@
+// compile
+
+// Copyright 2018 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 p
+
+func f() {
+	var B bool
+	B2 := (B || B && !B) && !B
+	B3 := B2 || B
+	for (B3 || B2) && !B2 && B {
+	}
+}