This CL adds some tests for async generators to ensure that we
correctly report caught/uncaught exceptions.
Most of the cases were fixed by the for-of fix:
https://crrev.com/c/4146420
The remaining broken test cases contain a throw directly
after a `yield`. For each ".next" call we create a new promise
that we need to push on the promise stack before we actually
resume the generator.
R=bmeurer@chromium.org
Fixed: chromium:1270780
Change-Id: I8365d20490451be37cc6973d8d91aeffed7e3511
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4146421
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#85196}
b0861973d5