1 files changed, 19 insertions, 0 deletions
diff --git a/test/fixedbugs/bug337.go b/test/fixedbugs/bug337.go
new file mode 100644
index 000000000..62e310e72
--- /dev/null
+++ b/test/fixedbugs/bug337.go
@@ -0,0 +1,19 @@
+// errchk $G $D/$F.go
+
+// Copyright 2011 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.
+
+// Issue 1722.
+
+// Check that the error messages says 
+//	bug337.go:16: len("foo") not used
+// and not
+//	bug337.go:16: 3 not used
+
+package main
+
+func main() {
+	len("foo")	// ERROR "len"
+}
+