[JSC] Add sampling-profiler code-origin lookup test
Created attachment 401701 [details] Patch
<rdar://problem/52044072>
Committed r262949: <https://trac.webkit.org/changeset/262949> All reviewed patches have been landed. Closing bug and clearing flags on attachment 401701 [details].
*** Bug 203387 has been marked as a duplicate of this bug. ***