From af2107689297b3970b2492202ebd7b99dd147766 Mon Sep 17 00:00:00 2001
From: David Kilzer <ddkilzer@apple.com>
Date: Fri, 6 Mar 2015 07:33:11 +0000
Subject: [PATCH] Protect Document in ProcessingInstruction::setXSLStyleSheet()

===================================================================

Gbp-Pq: Name protect-document.patch
---
 Source/WebCore/dom/ProcessingInstruction.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/WebCore/dom/ProcessingInstruction.cpp b/Source/WebCore/dom/ProcessingInstruction.cpp
index b37ae84435..2e729e6a76 100644
--- a/Source/WebCore/dom/ProcessingInstruction.cpp
+++ b/Source/WebCore/dom/ProcessingInstruction.cpp
@@ -215,6 +215,7 @@ void ProcessingInstruction::setXSLStyleSheet(const String& href, const URL& base
 {
     ASSERT(m_isXSL);
     m_sheet = XSLStyleSheet::create(this, href, baseURL);
+    Ref<Document> protect(document());
     parseStyleSheet(sheet);
 }
 #endif
-- 
2.30.2