Moritz
7a83c82b4f
In preparation of a merge with the Dart2Js format in a follow up PR. - Treat default values as passed arguments - `foo(4)` is the same as `foo()` for all intents and purposes for a `foo([int i = 4])`. - Add signatures to lookup, as dart2js forgets them during compilation. - Encode non-constant arguments as `null`, while a `null` passed as an argument is a `NullConstant`. Tested:pkg/vm/test/transformations/record_use_test.dart Change-Id: Ifd2597d8d1b979627fa45fd4736a762031c17216 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/415620 Commit-Queue: Moritz Sümmermann <mosum@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com> Auto-Submit: Moritz Sümmermann <mosum@google.com>