From 3f24a7ff3ea45253b496ab08c2bdecb838f0419d Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Thu, 22 Oct 2015 10:24:19 +0200
Subject: [PATCH] mitigates unclear nimsuggest problem

---
 compiler/transf.nim | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/transf.nim b/compiler/transf.nim
index 92319ac193..3d78a6b925 100644
--- a/compiler/transf.nim
+++ b/compiler/transf.nim
@@ -304,6 +304,7 @@ proc transformYield(c: PTransf, n: PNode): PTransNode =
   var e = n.sons[0]
   # c.transCon.forStmt.len == 3 means that there is one for loop variable
   # and thus no tuple unpacking:
+  if e.typ.isNil: return result # can happen in nimsuggest for unknown reasons
   if skipTypes(e.typ, {tyGenericInst}).kind == tyTuple and
       c.transCon.forStmt.len != 3:
     e = skipConv(e)