From 54f80e0923ce5700d8340b52c4a4e7da9a96e523 Mon Sep 17 00:00:00 2001
From: juha <juha@lazarus-ide.org>
Date: Sat, 18 Mar 2017 18:13:10 +0000
Subject: [PATCH] CodeTools: Fix SIGSEGV introduced in r54438 #b823ce3277, part
 2. Issue #31561.

git-svn-id: trunk@54447 -
---
 components/codetools/linkscanner.pas | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/codetools/linkscanner.pas b/components/codetools/linkscanner.pas
index 5e8c2d1d56..dbfd40145e 100644
--- a/components/codetools/linkscanner.pas
+++ b/components/codetools/linkscanner.pas
@@ -4000,7 +4000,9 @@ var
     UnitSet:=CodeToolBoss.GetUnitSetForDirectory('');
     if UnitSet<>nil then begin
       CfgCache:=UnitSet.GetConfigCache(false);
-      if Assigned(CfgCache) and CfgCache.Includes.GetString(AFilename,ExpFilename) then begin
+      if Assigned(CfgCache) and Assigned(CfgCache.Includes)
+      and CfgCache.Includes.GetString(AFilename,ExpFilename) then
+      begin
         NewCode:=LoadSourceCaseLoUp(ExpFilename);
         Result:=(NewCode<>nil);
         if Result then exit;