tree a89b1ebfe3be07d8f2c668e80db11dbd63be4fdc
parent 535f2fa973995f18d190a689127acbe134a42a15
author Andrei Korzhevskii <a.korzhevskiy@gmail.com> 1471948514 +0300
committer Andrei Korzhevskii <a.korzhevskiy@gmail.com> 1472833933 +0000

Fix ArrayDeque's bug when expanding capacity.

Also fixes concurrent modification check for the case
when head > tail.

Bug: #9404
Bug-Link: https://github.com/gwtproject/gwt/issues/9404
Change-Id: I9e13b1c80ddad1c69d8863855d2f4f6fb62b1b6f