1 files changed, 10 insertions, 0 deletions
diff --git a/gopls/internal/lsp/analysis/undeclaredname/testdata/src/a/error_param.go b/gopls/internal/lsp/analysis/undeclaredname/testdata/src/a/error_param.go
new file mode 100644
index 000000000..5de925411
--- /dev/null
+++ b/gopls/internal/lsp/analysis/undeclaredname/testdata/src/a/error_param.go
@@ -0,0 +1,10 @@
+// Copyright 2021 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.
+
+package undeclared
+
+func errorParam() {
+	var err error
+	undefinedErrorParam(err) // want "(undeclared name|undefined): undefinedErrorParam"
+}