am 8d1d7d6d: am 329d1b5a: Merge "Revert "Re-enable Clang\'s -Wpessimizing-move""

* commit '8d1d7d6dabd9c9e77cbe0f56c3090623e98e0dfc':
  Revert "Re-enable Clang's -Wpessimizing-move"