From aa43d956d36fabaecb1e334aa19387f6be5c0529 Mon Sep 17 00:00:00 2001
From: Dominik Honnef <dominik@honnef.co>
Date: Sat, 27 Apr 2019 23:55:37 +0200
Subject: [PATCH] unused: actually keep track of packages

---
 unused/unused.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unused/unused.go b/unused/unused.go
index 7b3433115..454c78e53 100644
--- a/unused/unused.go
+++ b/unused/unused.go
@@ -424,6 +424,7 @@ func NewChecker() *Checker {
 	c := &Checker{
 		seen:            map[token.Position]struct{}{},
 		initialPackages: map[*types.Package]struct{}{},
+		allPackages:     map[*types.Package]struct{}{},
 	}
 
 	return c
@@ -456,6 +457,7 @@ func (c *Checker) Run(pass *analysis.Pass) (interface{}, error) {
 			visit(imp)
 		}
 	}
+	visit(pass.Pkg)
 
 	c.fset = pass.Fset
 	ssapkg := pass.ResultOf[buildssa.Analyzer].(*buildssa.SSA)