am db9a3e2f: (-s ours) am c53202b4: am 3c623101: am 5e375d42: (-s ours) am 1e113c13: (-s ours) am e628cd3c: Use reentrant lock for main dictionaries. DO NOT MERGE

* commit 'db9a3e2fd03a6b2ccad46928265e5568cfee87c9':