Checking intermediate revisions between 2013.04 and 2013.05 indicate that the regression was introduced by commit 122016, which is the backport of trunk r197518-197522,197526-197528 (which means 8 patches).
Checking intermediate revisions between 2013.04 and 2013.05 indicate that the regression was introduced by commit 122016, which is the backport of trunk r197518- 197522, 197526- 197528 (which means 8 patches).