1 files changed, 23 insertions, 0 deletions
diff --git a/test/fixedbugs/issue48784.go b/test/fixedbugs/issue48784.go
new file mode 100644
index 0000000..b07f524
--- /dev/null
+++ b/test/fixedbugs/issue48784.go
@@ -0,0 +1,23 @@
+// errorcheck -e
+
+// 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 p
+
+type T struct{}
+
+var s string
+var b bool
+var i int
+var t T
+var a [1]int
+
+var (
+	_ = s == nil // ERROR "invalid operation:.*mismatched types string and (untyped )?nil"
+	_ = b == nil // ERROR "invalid operation:.*mismatched types bool and (untyped )?nil"
+	_ = i == nil // ERROR "invalid operation:.*mismatched types int and (untyped )?nil"
+	_ = t == nil // ERROR "invalid operation:.*mismatched types T and (untyped )?nil"
+	_ = a == nil // ERROR "invalid operation:.*mismatched types \[1\]int and (untyped )?nil"
+)