Initial commit: Go 1.23 release state

test/import4.go

@@ -0,0 +1,11 @@
+// errorcheckdir
+
+// 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.
+
+// Verify that various kinds of "imported and not used"
+// errors are caught by the compiler.
+// Does not compile.
+
+package ignored