Avoid fatal errors when reporting exceptions.

When reporting exceptions that occur during initialization, wgUser may
be null. Don't die when that happens.

Change-Id: I65d5a17d80f9021e28a218c7a5a17e399bc7ce98

diff --git a/includes/cache/MessageCache.php b/includes/cache/MessageCache.php
index dfbc50a..3a6d892 100644 (file)
--- a/includes/cache/MessageCache.php
+++ b/includes/cache/MessageCache.php
@@ -165,8 +165,8 @@ class MessageCache {
                global $wgUser;
 
                if ( !$this->mParserOptions ) {
-                       if ( !$wgUser->isSafeToLoad() ) {
-                               // $wgUser isn't unstubbable yet, so don't try to get a
+                       if ( !$wgUser || !$wgUser->isSafeToLoad() ) {
+                               // $wgUser isn't available yet, so don't try to get a
                                // ParserOptions for it. And don't cache this ParserOptions
                                // either.
                                $po = ParserOptions::newFromAnon();