Nicholas Shahan 148a1ae9d5 [dart2js, ddc] Add preamble to seal Object prototype ...

- Add a new dart2js preamble file that seals the native object prototype.
- Use the file when running DDC in d8 locally.

Once this change lands the new preamble can be used in the script that
runs d8 on the benchmarking bots.

If benchmark results look good, I will followup with a change to enable
the prototype sealing in SDK test configurations as well.

Change-Id: I00ffb14751a9b7e874e2e91fcb753a6382f0d577
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/329825
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>

2023-10-11 20:39:24 +00:00

..

compile_dartdevc_sdk.dart

[deps] roll package:lints to the latest

2023-10-05 03:36:59 +00:00

ddb

[dart2js, ddc] Add preamble to seal Object prototype

2023-10-11 20:39:24 +00:00