• Clemens Hammacher's avatar
    [wasm] Make signature map move-only · 0725ff15
    Clemens Hammacher authored
    Signature maps should only be updated, but never copied. We had a bug
    because we accidentally updated a copy of the map. This refactoring
    prevents any such bugs in the future, and fixes more occurences where
    we accidentally copied structs containing a signature map (the move-only
    constraint also extends to all structs containing a signature map).
    
    Drive-by: Make InstanceBuilder::NeedsWrappers const.
    
    R=titzer@chromium.org
    
    Bug: chromium:741750
    Change-Id: Id919203d8c4078e608a1163e5c790c97d06a9753
    Reviewed-on: https://chromium-review.googlesource.com/571791Reviewed-by: 's avatarBen Titzer <titzer@chromium.org>
    Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#46728}
    0725ff15
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