When trying to use ityp_array with an enum class whose underlying
type is int, warnings were fired because of a comparison between signed
and unsigned integers. Fix this by explicitly casting Size to `I` using
a constructor cast.
Bug: dawn:635
Change-Id: I5ee0101684e5847ec5ec6f71a9657fcce839a2a5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/38106
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>