1 files changed, 13 insertions, 0 deletions
diff --git a/test/fixedbugs/issue42058b.go b/test/fixedbugs/issue42058b.go
new file mode 100644
index 0000000000..03f86ee1b1
--- /dev/null
+++ b/test/fixedbugs/issue42058b.go
@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2020 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
+
+var c chan [2 << 16]byte // ERROR "channel element type too large"
+
+func f() {
+	_ = 42
+}