rails/rails — pull request #6427 by pinetops (2012-05-21 18:56:06+00:00)
Title: Resolver concurrency fix, backport for 3-2-stable

This is a backport of the following for 3-2-stable:
685192bbcba7f887236ddf43ebb7d7dcf7409bd9 and
719b008f1dae30c5fb6d09a371ae8d949c867a0c