• bmeurer's avatar
    [ic] Unify undetectable abstract equality comparison. · 1b821f2f
    bmeurer authored
    The treatment of different undetectable objects was inconsistent after
    the latest changes to the undetectable bit in the maps. Given two
    different undetectable JSObjects a and b, a monomorphic CompareIC would
    say false for a == b, while the rest of the system (including the
    generic case for the CompareIC) would say true.
    
    The fix is rather straight-forward: We just go generic on a CompareIC
    once we see an undetectable JSObject.
    
    R=yangguo@chromium.org
    
    Review URL: https://codereview.chromium.org/1735863004
    
    Cr-Commit-Position: refs/heads/master@{#34315}
    1b821f2f
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