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Benedikt Meurer authored
This addresses the odd performance cliff, where the CallIC tracks known JSFunction targets, but goes MEGAMORPHIC when it sees a JSBoundFunction target. With this fix in place the micro-benchmark on the bug goes from arrowCall: 82 ms. boundCall: 234 ms. to arrowCall: 81 ms. boundCall: 80 ms. so Function#bind doesn't cause any additional overhead anymore. Bug: v8:5267, v8:6962 Change-Id: Iaceaf89fd3e99e2afe2ae45e96a6813a3ef8b1d2 Reviewed-on: https://chromium-review.googlesource.com/727879 Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#48722}
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