--- /dev/null
+// Copyright 2017 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.
+
+// Test the cgo checker on a file that doesn't use cgo, but has an
+// import named "C".
+
+package b
+
+import C "fmt"
+
+import "unsafe"
+
+func init() {
+ var f func()
+ C.Println(unsafe.Pointer(&f))
+
+ // Passing a pointer (via a slice), but C is fmt, not cgo.
+ C.Println([]int{3})
+}