[JSC] callerIsOMGCompiled should be robust
Created attachment 417798 [details] Patch
<rdar://problem/70322444>
Comment on attachment 417798 [details] Patch r=me
win failure is unrelated to this patch since layout tests are not using JSC shell.
Committed r271574: <https://trac.webkit.org/changeset/271574> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417798 [details].