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Andrey Marchenko 316aa36865 [Scheduler] Fix de-opt caused by out-of-bounds access (#21147 )

Scheduler's heap implementation sometimes accesses indices that are out
of bounds (larger than the size of the array). This causes a VM de-opt.

This change fixes the de-opt by always checking the index before
accessing the array. In exchange, we can remove the typecheck on the
returned element.

Background: https://v8.dev/blog/elements-kinds#avoid-reading-beyond-the-length-of-the-array

Co-authored-by: Andrew Clark <git@andrewclark.io>

2021-04-05 21:05:02 -07:00

npm

Refactor SchedulerHostConfigs (#20025 )

2020-11-02 12:46:58 -05:00

src

[Scheduler] Fix de-opt caused by out-of-bounds access (#21147 )

2021-04-05 21:05:02 -07:00

index.js

Refactor SchedulerHostConfigs (#20025 )

2020-11-02 12:46:58 -05:00

package.json

Refactor SchedulerHostConfigs (#20025 )