From c98fa77f95e9abbc8b96f24cead821493f50fba2 Mon Sep 17 00:00:00 2001
From: Jan Jurzitza <gh@webfreak.org>
Date: Sun, 13 Aug 2017 14:14:37 +0200
Subject: [PATCH] Fix #513 (#514)

---
 src/analysis/unused.d | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/analysis/unused.d b/src/analysis/unused.d
index 789ed38..b079f01 100644
--- a/src/analysis/unused.d
+++ b/src/analysis/unused.d
@@ -132,7 +132,8 @@ class UnusedVariableCheck : BaseAnalyzer
 			ifStatement.expression.accept(this);
 			interestDepth--;
 		}
-		ifStatement.thenStatement.accept(this);
+		if (ifStatement.thenStatement !is null)
+			ifStatement.thenStatement.accept(this);
 		if (ifStatement.elseStatement !is null)
 			ifStatement.elseStatement.accept(this);
 	}