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Mythri authored
Introduces ThrowReferenceErrorIfHole / ThrowSuperNotCalledIfHole / ThrowSuperAlreadyCalledIfNotHole bytecodes to handle hole checks. In the bytecode-graph builder they are handled by introducing a deopt point instead of adding explicit control flow. JumpIfNotHole / JumpIfNotHoleConstant bytecodes are removed since they are no longer required. Bug: v8:4280, v8:6383 Change-Id: I58b70c556b0ffa30e41a0cd44016874c3e9c5fe1 Reviewed-on: https://chromium-review.googlesource.com/509613 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#45720}
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