05bba46133 Use DFS numbering for block dominates test
fba89f9f64 [vm] Don't change the content of the VM isolate's snapshot based on what was loading into a core or app snapshot.
3d3f6f9d4b Remove immediateUnderSetLiteral.
7b86d78f07 Enable set literal lowering in dart2js.
e29835749a [dart_internal] Bump SDK constraint upper-bound to <2.3.0
53ca69ba7e [release] Bump version and update CHANGELOG for 2.2.0