The PackedXXX types in SortedArrayMap.h that use integers are likely more efficient than the ones that use strings. We should use them when the strings are <= 8 characters long.
<rdar://problem/101478661>
Pull request: https://github.com/WebKit/WebKit/pull/5697
Committed 256109@main (becd8424226a): <https://commits.webkit.org/256109@main> Reviewed commits have been landed. Closing PR #5697 and removing active labels.