cmd/5l, cmd/6l, cmd/8l: fix segfault on reading LOCALS for a duplicate definition.
Fixes #5105.
R=golang-dev, dave, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/7965043
diff --git a/test/fixedbugs/issue5105.go b/test/fixedbugs/issue5105.go
new file mode 100644
index 0000000..e3e5e5c
--- /dev/null
+++ b/test/fixedbugs/issue5105.go
@@ -0,0 +1,10 @@
+// rundir
+
+// Copyright 2013 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 5105: linker segfaults on duplicate definition
+// of a type..hash.* function.
+
+package ignored
