On Fri, Jul 5, 2019 at 2:48 AM Jeff Gilbert <jgilb...@mozilla.com> wrote:
> It is, however, super poignant to me that uint32_t-indexing-on-x64 is
> pessimal, as that's precisely what our ns* containers (nsTArray) use
> for size, /unlike/ their std::vector counterparts, which will be using
> the more-optimal size_t.

nsTArray uses size_t for indexing since bug 1004098.

-Nathan
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