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    • Mythri A's avatar
      Disable one shot optimizations · e85ffb46
      Mythri A authored
      We used to optimize functions that are expected to executed only
      once by not allocating feedback slots for some of the bytecodes. This
      would help in reducing the memory and avoiding initializing feedback
      that would be never used. With lazy feedback allocation, we don't
      allocate feedback vectors for most of such functions anyway.
      
      The generated bytecode for oneshot optimized functions is different and
      if we don't properly track this information we might end up generating
      different bytecode for the same function. This could causes problems
      when there is a mismatch between the feedback slots used by the new
      bytecode and the old bytecode. Since we potentially get most of the
      benefits of this optimization with lazy feedback vector allocation
      we can simplify the code by disabling this optimization.
      
      Bug: chromium:1045824
      Change-Id: Ib94605c8c766adc99f54c8333f780d2448caff5e
      Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030918Reviewed-by: 's avatarToon Verwaest <verwaest@chromium.org>
      Reviewed-by: 's avatarRoss McIlroy <rmcilroy@chromium.org>
      Commit-Queue: Mythri Alle <mythria@chromium.org>
      Cr-Commit-Position: refs/heads/master@{#66172}
      e85ffb46
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