• verwaest's avatar
    Mark null and undefined as undetectable, and use it to handle abstract... · 3ce9e808
    verwaest authored
    Mark null and undefined as undetectable, and use it to handle abstract equality comparison in the generic compare ic
    
    Marking as undetectable makes abstract equality of null, undefined, and
    other undetectable objects easier. Supporting it in the generic compare
    IC significantly speeds up dynamic comparison between those values and
    JSReceivers by not falling back to the runtime.
    
    MIPS port contributed by Balazs Kilvady <balazs.kilvady@imgtec.com>
    
    Review URL: https://codereview.chromium.org/1683643002
    
    Cr-Commit-Position: refs/heads/master@{#33858}
    3ce9e808
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