• Clemens Backes's avatar
    [wasm] Avoid redundant validation checks · 105ef0b3
    Clemens Backes authored
    The only opcode which can pop the last control block is "end".
    There is already validation in place to check that no code is following
    the last "end". Thus all checks for a non-empty control stack in other
    opcodes are redundant and can be replaced by DCHECKs.
    
    Drive-by: Avoid the use of {PushControl} for pushing the very first
    block, to avoid another check for an empty control stack there.
    
    R=thibaudm@chromium.org
    
    Change-Id: I8f04b225a61f832bca2dd7b706e31d1faa173767
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2678162Reviewed-by: 's avatarThibaud Michaud <thibaudm@chromium.org>
    Commit-Queue: Clemens Backes <clemensb@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#72589}
    105ef0b3
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