From 25e2e3faecd067eee06d6185c1c991ab84985940 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Thu, 26 Nov 2015 11:52:52 +0100
Subject: [PATCH] 'importc' allows 'not nil' annotation

---
 compiler/semstmts.nim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim
index adb1c81c11..ebea2dd672 100644
--- a/compiler/semstmts.nim
+++ b/compiler/semstmts.nim
@@ -330,7 +330,8 @@ proc semIdentDef(c: PContext, n: PNode, kind: TSymKind): PSym =
   styleCheckDef(result)
 
 proc checkNilable(v: PSym) =
-  if sfGlobal in v.flags and {tfNotNil, tfNeedsInit} * v.typ.flags != {}:
+  if {sfGlobal, sfImportC} * v.flags == {sfGlobal} and
+      {tfNotNil, tfNeedsInit} * v.typ.flags != {}:
     if v.ast.isNil:
       message(v.info, warnProveInit, v.name.s)
     elif tfNotNil in v.typ.flags and tfNotNil notin v.ast.typ.flags: