diff --git a/test/fixedbugs/gcc89321.go b/test/fixedbugs/gcc89321.go
new file mode 100644
index 0000000000..93ca6b40a5
--- /dev/null
+++ b/test/fixedbugs/gcc89321.go
@@ -0,0 +1,17 @@
+// compile
+
+// 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.
+
+// https://gcc.gnu.org/PR89321
+// gccgo compiler crash building map literals with a zero-sized value type.
+
+package p
+
+type M map[byte]struct{}
+
+var (
+	M1 = M{1: {}, 2: {}, 3: {}}
+	M2 = M{1: {}, 2: {}}
+)