From 18e8e4128026f2ed76173e48dc13b96747c11559 Mon Sep 17 00:00:00 2001
From: Siebrand <siebrand@wikimedia.org>
Date: Mon, 7 Jan 2013 12:06:51 +0000
Subject: [PATCH] Revert "Also delete the page information cache when
 invalidating cache of a non-existing page"

Breaks LiquidThreads per bug 43693 and worsens bug 37209.

This reverts commit b3ff701cba6578ff0994ef3b42efcb1ba4eac9cd
---
 includes/Title.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/includes/Title.php b/includes/Title.php
index f045f74a57..a20367dcef 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -4476,8 +4476,11 @@ class Title {
 		HTMLFileCache::clearFileCache( $this );
 
 		// Clear page info.
-		$memcKey = wfMemcKey( 'infoaction', $this->getPrefixedText(), $this->getLatestRevID() );
-		$success = $success && $wgMemc->delete( $memcKey );
+		$revision = WikiPage::factory( $this )->getRevision();
+		if( $revision !== null ) {
+			$memcKey = wfMemcKey( 'infoaction', $this->getPrefixedText(), $revision->getId() );
+			$success = $success && $wgMemc->delete( $memcKey );
+		}
 
 		return $success;
 	}
-- 
2.20.1