[CFE] Constant evaluator benchmark

E.g. one can run a benchmark via something like
`out/ReleaseX64/dart pkg/front_end/test/constant_evaluator_benchmark.dart --platform=out/ReleaseX64/vm_platform_strong.dill pkg/compiler/bin/dart2js.dart --target=VM`

Change-Id: Ie9202bbd8a390a461a31625880bbb182f845261e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/168485
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>

https://dart.googlesource.com/sdk/+/08f3b03361cc89d809eccdfb70c48f864365dd0d
1 file changed
tree: bcdfd6b1dc49fc8d961d9f99a5005054a1d502f3
  1. commits.json