dart-lang/sdk@6bf1f8e280 [vm] Fix WriteByteSequence for simarm_x64
dart-lang/sdk@b4e66ed3d0 Add highlighting for extensions
dart-lang/sdk@fcc99f1e06 [dart2js] new-rti: naming of interface type parameters
dart-lang/sdk@f450cf399e [vm/bytecode] Add UncheckedClosureCall instruction
dart-lang/sdk@8dc4148516 Add await to all assertErrors/assertNoErrorsInCode tests.
dart-lang/sdk@8e17249b62 Refactor Flutter property tests.
dart-lang/sdk@7de08740f2 Infer types of fields and field formal parameters together.
dart-lang/sdk@9d204ca5d8 Start adding 'Container' properties.
dart-lang/sdk@1865a3c911 Produce diagnostic when extension override argument is not assignable to the extended type