• oth's avatar
    [interpreter] Ensure optimizations preserve source positions. · a9af61d0
    oth authored
    The optimization stages in the bytecode generation pipeline must
    preserve source position information. Failure to preserve
    source position information could result in single stepping
    in the debugger misbehaving or mis-reporting in exception stack traces.
    
    This change adds tests intended to check optimizations do not damage
    source position info.
    
    BUG=v8:4280
    LOG=N
    
    Review-Url: https://codereview.chromium.org/2042633002
    Cr-Commit-Position: refs/heads/master@{#36855}
    a9af61d0
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