composer/composer — pull request #721 by Hounddog (2012-05-21 15:31:43+00:00)
Title: Wrong variable used for foreach. Fixes issue 674.

Using $allDecidedMap = $this->decisionMap; with SplFixedArray seems to create a Reference.
Whereas php 5.3.3 using the array itself we work with a clone causing issues in the mapping process