From aa74818fe00c5f5eb57c1c38b807e9e2950c670c Mon Sep 17 00:00:00 2001
From: Nils Adermann <naderman@naderman.de>
Date: Fri, 21 Feb 2014 16:52:27 +0100
Subject: [PATCH] Handle array candidates in whatProvides

---
 src/Composer/DependencyResolver/Pool.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Composer/DependencyResolver/Pool.php b/src/Composer/DependencyResolver/Pool.php
index 75b5aa7b2..18f2d5797 100644
--- a/src/Composer/DependencyResolver/Pool.php
+++ b/src/Composer/DependencyResolver/Pool.php
@@ -268,7 +268,10 @@ class Pool
         $nameMatch = false;
 
         foreach ($candidates as $candidate) {
-            if ($this->whitelist !== null && !isset($this->whitelist[$candidate->getId()])) {
+            if ($this->whitelist !== null && (
+                (is_array($candidate) && isset($candidate['id']) && !isset($this->whitelist[$candidate['id']])) ||
+                (is_object($candidate) && !isset($this->whitelist[$candidate->getId()]))
+            )) {
                 continue;
             }
             switch ($this->match($candidate, $name, $constraint)) {