Stephen Adams a7d87375a3 [dart2js] Implement is-tests on records. ...

A `RecordsCodegen` class collects the instantiated classes for
representing records of various shapes in the codegen queue.  Later,
this is used to emit functions that test a record type by checking the
shape (using `instanceof`) and then testing the field values.

Future work will consider how to make this work with deferred loading.

Change-Id: I497a80b0db3a10129f15838eaa72c3a2320632b8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279759
Commit-Queue: Stephen Adams <sra@google.com>
Reviewed-by: Mayank Patke <fishythefish@google.com>

2023-01-27 20:24:20 +00:00

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[dart2js] Implement is-tests on records.

2023-01-27 20:24:20 +00:00