diff --git a/test/bugs/bug113.go b/test/bugs/bug113.go
new file mode 100644
index 0000000000..e794868a4a
--- /dev/null
+++ b/test/bugs/bug113.go
@@ -0,0 +1,20 @@
+// $G $D/$F.go && $L $F.$A && (! ./$A.out || echo BUG: should not succeed)
+
+// 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
+type I interface { };
+func foo1(i int) int { return i }
+func foo2(i int32) int32 { return i }
+func main() {
+  var i I;
+  i = 1;
+  var v1 int = i;
+  if foo1(v1) != 1 { panicln(1) }
+  var v2 int32 = i.(int).(int32);
+  if foo1(v2) != 1 { panicln(2) }
+  var v3 int32 = i; // This implicit type conversion should fail at runtime.
+  if foo1(v3) != 1 { panicln(3) }
+}
diff --git a/test/golden.out b/test/golden.out
index ec8b29af1d..6a138952ca 100644
--- a/test/golden.out
+++ b/test/golden.out
@@ -156,6 +156,9 @@ bugs/bug109.go:6: illegal types for operand: RETURN
 	float64
 BUG: should compile
 
+=========== bugs/bug113.go
+BUG: should not succeed
+
 =========== fixedbugs/bug016.go
 fixedbugs/bug016.go:7: overflow converting constant to uint32
 
diff --git a/test/ken/interbasic.go b/test/ken/interbasic.go
index 2603d2560e..e4b0b79a43 100644
--- a/test/ken/interbasic.go
+++ b/test/ken/interbasic.go
@@ -86,7 +86,8 @@ main()
 	u64 = 765432;	ia[12] = u64;
 
 	s = ia[0];	if s != "xxx" { panicln(0,s); }
-	i32 = ia[1];	if i32 != 12345 { panicln(1,i32); }
+	i32 = ia[1].(int).(int32);
+			if i32 != 12345 { panicln(1,i32); }
 	b = ia[2];	if b != true { panicln(2,b); }
 
 	s = ia[3];	if s != "now is" { panicln(3,s); }