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Sathya Gunasekaran authored
Previously, we were looking up the prototype of the receiver and checking that against %TypedArrayPrototype% before invalidating the protector cell. This is incorrect as it's possible to patch the prototype and then change the constructor property, bypassing this check. This CL adds a new instance type to prototype of all TypedArray constructors and checks the receiver against this instance type. TBR: tebbi@chromium.org Bug: v8:11274, v8:11256 Change-Id: I2ff6280e4cf820b06c5593fe4addd36f7ac656c4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2594776 Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org> Reviewed-by: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#71799}
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