tree eac22d5f498954a405176f8277f8498f472ee35f
parent 1638b75d777c75377c78a41df423211b40e5dd0c
author Aske Simon Christensen <askesc@google.com> 1660893078 +0000
committer Commit Bot <commit-bot@chromium.org> 1660893078 +0000

[dart2wasm] Convert to/from externref via Wasm instructions

This adds support for the newly added `extern.externalize` and
`extern.internalize` instructions and uses these for converting to/from
`externref` instead of a JS round-trip.

Change-Id: If18d8f44ddf013d4c26bf1597be91bcd0db41c5a
Cq-Include-Trybots: luci.dart.try:dart2wasm-linux-x64-d8-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/255462
Commit-Queue: Aske Simon Christensen <askesc@google.com>
Reviewed-by: Joshua Litt <joshualitt@google.com>