• Leszek Swirski's avatar
    Reland^2 "[ic] In-place Double -> Tagged transitions"" · 470e6857
    Leszek Swirski authored
    This is a reland of 981aafaf
    
    It adds double checks to LoadFieldByIndex in the optimizing compiler, which
    are likely the source of the crashes.
    
    Original change's description:
    > Reland "[ic] In-place Double -> Tagged transitions"
    >
    > This is a reland of 0736599a.
    > This is a reland of 7e1fbe8f.
    >
    > Original change description:
    > > [ic] In-place Double -> Tagged transitions
    > >
    > > With no more MutableHeapNumber, we can make Double -> Tagged transitions
    > > in-place, at the cost of an extra map check when accessing double fields
    > > to make sure they are still doubles.
    > >
    > > Bug: v8:9606
    > > Change-Id: I74ff39ed6fba62ee223cd37dfe761f7d73020e1c
    > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1743973
    > > Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
    > > Reviewed-by: Toon Verwaest <verwaest@chromium.org>
    > > Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    > > Cr-Commit-Position: refs/heads/master@{#63374}
    >
    > TBR=verwaest@chromium.org, tebbi@chromium.org
    >
    > Bug: v8:9606
    > Change-Id: I2d1b7416064d743582f4983fb868316b7e8a4cf2
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1777661
    > Reviewed-by: Leszek Swirski <leszeks@chromium.org>
    > Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#63499}
    
    TBR=verwaest@chromium.org
    
    Bug: v8:9606
    Bug: chromium:997989
    Change-Id: Iccfff8e5c6306c9ee4f6c62767dce883b1c6f743
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1784288Reviewed-by: 's avatarLeszek Swirski <leszeks@chromium.org>
    Reviewed-by: 's avatarTobias Tebbi <tebbi@chromium.org>
    Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    Auto-Submit: Leszek Swirski <leszeks@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#63582}
    470e6857
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