From acd397dee7a0d4a3f9052ead183ed1292728e1b5 Mon Sep 17 00:00:00 2001
From: Sebastian Hengst <archaeopteryx@coole-files.de>
Date: Fri, 24 Mar 2017 13:52:59 +0100
Subject: [PATCH] Backed out changeset ddbfa3adcfad (bug 1338277) for failing
 own crashtest. r=backout

---
 dom/xslt/crashtests/1338277.html    | 21 ---------------------
 dom/xslt/crashtests/crashtests.list |  1 -
 dom/xslt/xslt/txExecutionState.cpp  |  4 +---
 3 files changed, 1 insertion(+), 25 deletions(-)
 delete mode 100644 dom/xslt/crashtests/1338277.html

diff --git a/dom/xslt/crashtests/1338277.html b/dom/xslt/crashtests/1338277.html
deleted file mode 100644
index d928819c7572..000000000000
--- a/dom/xslt/crashtests/1338277.html
+++ /dev/null
@@ -1,21 +0,0 @@
-<script id=o_xml type="text/plain"><?xml version="1.0" encoding="UTF-8"?>
-<xb></xb>
-</script>
-<script id=o_xslt type="text/plain"><?xml version="1.0" encoding="UTF-8"?>
-<xsl:transform version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
-  <xsl:template match="xb[$v1]"></xsl:template>
-  <xsl:variable name="v1">
-    <xsl:attribute name="a1" namespace="z">
-      <xsl:variable name="v2" select="$v2"></xsl:variable>
-    </xsl:attribute>
-  </xsl:variable>
-</xsl:transform>
-</script>
-<script>
-addEventListener("DOMContentLoaded", function(){
-  let doc = new DOMParser();
-  let xsltPrs = new XSLTProcessor();
-  xsltPrs.importStylesheet(doc.parseFromString(o_xslt.textContent, "text/xml"));
-  xsltPrs.transformToDocument(doc.parseFromString(o_xml.textContent, "text/xml"));
-});
-</script>
diff --git a/dom/xslt/crashtests/crashtests.list b/dom/xslt/crashtests/crashtests.list
index 2968504c4965..5958655d6473 100644
--- a/dom/xslt/crashtests/crashtests.list
+++ b/dom/xslt/crashtests/crashtests.list
@@ -18,4 +18,3 @@ load 667315.xml
 load 1089049.html
 load 1205163.xml
 load 1243337.xml
-asserts(1) load 1338277.html
diff --git a/dom/xslt/xslt/txExecutionState.cpp b/dom/xslt/xslt/txExecutionState.cpp
index f7286a0e5d77..a32fdb0b8065 100644
--- a/dom/xslt/xslt/txExecutionState.cpp
+++ b/dom/xslt/xslt/txExecutionState.cpp
@@ -529,9 +529,7 @@ txExecutionState::bindVariable(const txExpandedName& aName,
 void
 txExecutionState::removeVariable(const txExpandedName& aName)
 {
-    if (mLocalVariables) {
-      mLocalVariables->removeVariable(aName);
-    }
+    mLocalVariables->removeVariable(aName);
 }
 
 nsresult