From 9afd19b2362ac55176010cd35bee2304db0ef440 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Thu, 3 Oct 2019 07:50:32 +0200
Subject: [PATCH] fixes #12291 [backport] (#12338)

(cherry picked from commit c51857f4348823f647110e8a1ede07d76d93b7da)
---
 compiler/ccgtypes.nim | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim
index 3cb5089687..fa90bc3f58 100644
--- a/compiler/ccgtypes.nim
+++ b/compiler/ccgtypes.nim
@@ -287,6 +287,7 @@ proc fillResult(conf: ConfigRef; param: PNode) =
 
 proc typeNameOrLiteral(m: BModule; t: PType, literal: string): Rope =
   if t.sym != nil and sfImportc in t.sym.flags and t.sym.magic == mNone:
+    useHeader(m, t.sym)
     result = t.sym.loc.r
   else:
     result = rope(literal)