[JSC] Lexer flags should be an OptionSet
Created attachment 381067 [details] Patch
Created attachment 381068 [details] Patch
Ping?
Comment on attachment 381068 [details] Patch r=me
Comment on attachment 381068 [details] Patch Clearing flags on attachment: 381068 Committed r251684: <https://trac.webkit.org/changeset/251684>
All reviewed patches have been landed. Closing bug.
<rdar://problem/56690290>