Incorrect early errors for class methods named "constructor" and "prototype"
Created attachment 406458 [details] Patch
"prototype" instance method tests are coming in https://github.com/tc39/test262/pull/2724: I will make sure to sync test262 first. Test coverage for r181404 (removed FIXME): JSTests/test262/test/language/expressions/class/elements/syntax/early-errors/grammar-special-meth-contains-super-*.js.
<rdar://problem/67406058>
Created attachment 406965 [details] Patch Rebase on top of synced test262 suites.
Committed r265966: <https://trac.webkit.org/changeset/265966> All reviewed patches have been landed. Closing bug and clearing flags on attachment 406965 [details].