From e65c89ee28a8b03e00f5dba9ff181918764d72c0 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Sat, 28 May 2016 22:40:28 +0200
Subject: fixes #4177

---
 compiler/seminst.nim | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'compiler/seminst.nim')

diff --git a/compiler/seminst.nim b/compiler/seminst.nim
index 14631a590..e4ac56cd6 100644
--- a/compiler/seminst.nim
+++ b/compiler/seminst.nim
@@ -43,9 +43,11 @@ proc rawHandleSelf(c: PContext; owner: PSym) =
       if arg.name.id == c.selfName.id:
         c.p.selfSym = arg
         arg.flags.incl sfIsSelf
-        let t = c.p.selfSym.typ.skipTypes(abstractPtrs)
-        if t.kind == tyObject:
+        var t = c.p.selfSym.typ.skipTypes(abstractPtrs)
+        while t.kind == tyObject:
           addObjFieldsToLocalScope(c, t.n)
+          if t.sons[0] == nil: break
+          t = t.sons[0].skipTypes(abstractPtrs)
 
 proc pushProcCon*(c: PContext; owner: PSym) =
   rawPushProcCon(c, owner)
-- 
cgit 1.4.1-2-gfad0