More precisely, it allocates several arrays, some small, some large, some sorted, some sorted in reverse order, some random... then it only test the sort on the first of these, which is small and already sorted. I have a trivial patch for it.
Created attachment 324863 [details] Patch
Comment on attachment 324863 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=324863&action=review > PerformanceTests/TailBench9000/merge-sort.js:154 > +noInline(TEST_mergeSort); Why do this? This will make the test not-runnable in browser.
Created attachment 326112 [details] Patch for landing
Comment on attachment 326112 [details] Patch for landing Clearing flags on attachment: 326112 Committed r224485: <https://trac.webkit.org/changeset/224485>
All reviewed patches have been landed. Closing bug.
<rdar://problem/35568073>