From a13f623f16abcdc39af31ce7cf5bdedf80b8dbd5 Mon Sep 17 00:00:00 2001
From: Jasper Jenkins <jasper.vs.jenkins@gmail.com>
Date: Fri, 29 Nov 2019 13:36:01 -0800
Subject: [PATCH] [backport] always set `fileInfoIdx.isKnownFile` (#12773)

(cherry picked from commit b6b8d540e366b21b8e55a98d4650cb2197bb0c32)
---
 compiler/msgs.nim | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/msgs.nim b/compiler/msgs.nim
index 1264133a9d..5a6a4ca100 100644
--- a/compiler/msgs.nim
+++ b/compiler/msgs.nim
@@ -81,6 +81,7 @@ proc fileInfoIdx*(conf: ConfigRef; filename: AbsoluteFile; isKnownFile: var bool
     pseudoPath = true
 
   if conf.m.filenameToIndexTbl.hasKey(canon.string):
+    isKnownFile = true
     result = conf.m.filenameToIndexTbl[canon.string]
   else:
     isKnownFile = false