1 files changed, 13 insertions, 0 deletions
diff --git a/test/fixedbugs/issue20789.go b/test/fixedbugs/issue20789.go
new file mode 100644
index 0000000..4e4eed4
--- /dev/null
+++ b/test/fixedbugs/issue20789.go
@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2017 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.
+
+// Make sure this doesn't crash the compiler.
+// (This test should be part of the internal/syntax
+// package, but we don't have a general test framework
+// there yet, so put it here for now. See also #20800.)
+
+package e
+func([<-chan<-[func u){go // ERROR "unexpected u"
+\ No newline at end of file