Introduce experimental flag --reify in the vm. Note that many tests will fail when using --no-reify, since expected type errors are not reported.
Introduce experimental flag --reify in the vm.
Note that many tests will fail when using --no-reify, since expected type errors
are not reported.

R=iposva@google.com

Review URL: https://codereview.chromium.org/1517153004 .

dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dart-archive/dart-sdk