From abf0e32a0c88b10b0858d76b759ee9457c38ea95 Mon Sep 17 00:00:00 2001
From: Nicolay Mitropolsky <Nicolay.Mitropolsky@jetbrains.com>
Date: Fri, 14 Jun 2019 13:53:01 +0300
Subject: [PATCH] [xpath] a null-check added before
 `XsltVariableContext.isReferenceTo` check (EA-143967)

GitOrigin-RevId: d2d4a3556f6c64c413e06257e900cc26ab43e333
---
 .../intellij/lang/xpath/xslt/context/XsltVariableContext.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/context/XsltVariableContext.java b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/context/XsltVariableContext.java
index 985f47f7e3f7..0d6ee5e66117 100644
--- a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/context/XsltVariableContext.java
+++ b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/context/XsltVariableContext.java
@@ -117,6 +117,7 @@ public class XsltVariableContext implements VariableContext<XsltVariable> {
             if (template == null || template.getMatchExpression() == null) return false;
 
             final XPathVariable t = reference.resolve();
+            if (t == null) return false;
             final PsiReference[] references = element.getReferences();
             for (PsiReference r : references) {
                 if (r.isReferenceTo(t)) return true;