--- CoverageMerger.php.orig	2008-05-27 16:24:10.000000000 -0600
+++ CoverageMerger.php	2008-07-02 10:01:31.000000000 -0600
@@ -114,6 +114,11 @@
 					
 					$coverageMerged = CoverageMerger::mergeCodeCoverage($left, $right);
 					
+          foreach ($coverageMerged as $key => $value) {
+            if ($value == -2) {
+              unset($coverageMerged[$key]);
+            }
+          }
 					$file['coverage'] = $coverageMerged;
 					
 					$props->setProperty($filename, serialize($file));