1 files changed, 21 insertions, 0 deletions
diff --git a/test/runtime.go b/test/runtime.go
new file mode 100644
index 0000000..58a5eee
--- /dev/null
+++ b/test/runtime.go
@@ -0,0 +1,21 @@
+// errorcheck
+
+// 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.
+
+// Test that even if a file imports runtime,
+// it cannot get at the low-level runtime definitions
+// known to the compiler.  For normal packages
+// the compiler doesn't even record the lower case
+// functions in its symbol table, but some functions
+// in runtime are hard-coded into the compiler.
+// Does not compile.
+
+package main
+
+import "runtime"
+
+func main() {
+	runtime.printbool(true)	// ERROR "unexported|undefined"
+}