There are 3267 tests failing on the High Sierra LLINT CLoop queue: https://build.webkit.org/builders/Apple%20High%20Sierra%20LLINT%20CLoop%20%28BuildAndTest%29/builds/12421 This seems to have started with: https://trac.webkit.org/changeset/242096/webkit
<rdar://problem/48481163>
<rdar://problem/48481164>
<rdar://problem/48481192>
Oops, I created another bug and landed the fix there: https://bugs.webkit.org/show_bug.cgi?id=195181. Will dupe. *** This bug has been marked as a duplicate of bug 195181 ***