diff --git a/test/fixedbugs/bug307.go b/test/fixedbugs/bug307.go
new file mode 100644
index 0000000000..a1a30dfb71
--- /dev/null
+++ b/test/fixedbugs/bug307.go
@@ -0,0 +1,15 @@
+// $G $D/$F.go
+
+// Copyright 2010 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.
+
+// Valid program, gccgo reported an error.
+// bug307.go:14:6: error: cmplx arguments must have identical types
+
+package main
+
+func main() {
+	var f float64
+	_ = cmplx(1 / f, 0)
+}