cded10154c
For compound assignments, we need to look up the "combiner" operation in the type of the getter (not the setter), since the receiver of the combiner operation is the value that was read. This is necessary for soundness. Change-Id: I02e0e93310b6b6b94d4a6253d4cf2fc1d3c69cd5 Reviewed-on: https://dart-review.googlesource.com/16607 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Paul Berry <paulberry@google.com>