diff --git a/test/bugs/bug056.go b/test/bugs/bug056.go
new file mode 100644
index 00000000000..47f3f05ad47
--- /dev/null
+++ b/test/bugs/bug056.go
@@ -0,0 +1,21 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2009 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 main
+
+func frexp() (int, double) {
+	return 1, 2.0
+}
+
+func main() {
+	a, b := frexp();
+}
+
+/*
+bug056.go:8: illegal types for operand: AS
+	(<int32>INT32)
+	(<int32>INT32)
+*/
diff --git a/test/golden.out b/test/golden.out
index ea5127385ec..b0bf90a74a6 100644
--- a/test/golden.out
+++ b/test/golden.out
@@ -263,6 +263,12 @@ BUG: known to fail incorrectly
 bug055.go:1: fatal error: cant open: bug055.go
 BUG: known to fail incorrectly
 
+=========== bugs/bug056.go
+bugs/bug056.go:9: illegal types for operand: AS
+	(<int32>INT32)
+	(<int32>INT32)
+BUG: compilation should succeed
+
 =========== fixedbugs/bug000.go
 
 =========== fixedbugs/bug001.go