--- /dev/null
+//
+PACKAGE error1
+
+IMPORTPATH
+ testdata/error1
+
+FILENAMES
+ testdata/error1.go
+
+TYPES
+ //
+ type I0 interface {
+ // When embedded, the predeclared error interface
+ // must remain visible in interface types.
+ error
+ }
+
+ //
+ type S0 struct {
+ // contains filtered or unexported fields
+ }
+
+ //
+ type T0 struct {
+ ExportedField interface {
+ // error should be visible
+ error
+ }
+ }
+