gc: Preserve original blank name for .anon substitution on out params.
Fixes #1802.
R=rsc
CC=golang-dev
https://golang.org/cl/5364043
diff --git a/test/fixedbugs/bug377.go b/test/fixedbugs/bug377.go
new file mode 100644
index 0000000..b6b5509
--- /dev/null
+++ b/test/fixedbugs/bug377.go
@@ -0,0 +1,9 @@
+// $G $D/$F.dir/one.go && $G $D/$F.dir/two.go
+
+// Copyright 2011 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.
+
+// Issue 1802
+
+ignored
