Now that we can specify Guard-Malloc as a modifier/specifier in test expectations, deploy that more.
Pull request: https://github.com/WebKit/WebKit/pull/8507
Committed 259008@main (880116062398): <https://commits.webkit.org/259008@main> Reviewed commits have been landed. Closing PR #8507 and removing active labels.
<rdar://problem/104356283>