From 318567f3989a4b90d85a87b1fd67656a2413389d Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Sat, 29 Sep 2018 00:11:05 +0200
Subject: [PATCH] ir: fix nil pointer dereference in IsVolatile

---
 ir/ir.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ir/ir.go b/ir/ir.go
index 684d94a4a..fd1cbe85a 100644
--- a/ir/ir.go
+++ b/ir/ir.go
@@ -425,6 +425,9 @@ func (p *Program) IsVolatile(t types.Type) bool {
 	if t, ok := t.(*types.Named); !ok {
 		return false
 	} else {
+		if t.Obj().Pkg() == nil {
+			return false
+		}
 		id := t.Obj().Pkg().Path() + "." + t.Obj().Name()
 		doc := p.comments[id]
 		if doc == nil {