From c2b1029595afe103b5f1533604cfe658755f1f8d Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Tue, 6 Apr 2010 17:56:40 +0000
Subject: - Patch #592008 by moshe weitzman, David_Rothstein, chx: don't save
 theme registry before modules are included.

---
 includes/theme.inc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'includes')

diff --git a/includes/theme.inc b/includes/theme.inc
index b54f0bc13..2e5c691bd 100644
--- a/includes/theme.inc
+++ b/includes/theme.inc
@@ -764,6 +764,14 @@ function list_themes($refresh = FALSE) {
  */
 function theme($hook, $variables = array()) {
   static $hooks = NULL;
+
+  // If called before all modules are loaded, we do not necessarily have a full
+  // theme registry to work with, and therefore cannot process the theme
+  // request properly. See also _theme_load_registry().
+  if (!module_load_all(NULL) && !defined('MAINTENANCE_MODE')) {
+    throw new Exception(t('theme() may not be called until all modules are loaded.'));
+  }
+
   if (!isset($hooks)) {
     drupal_theme_initialize();
     $hooks = theme_get_registry();
-- 
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