Nicolò Ribaudo
771c730fda
[parser] Disallow duplicate and undeclared private names (#10456)
* [parser] Add private names tracking to Scope
- Disallow duplicate private names
- Disallow undeclared private names
* Update tests
* Test all possible duplications
* Test undeclared private names
* Better error message for top-level private names
* Fix flow
* Update test262 whitelist
* Update fixtures
* Update flow whitelist
* Remove old output.json
* Move ClassScopeHandler to a separate class
* Make the code readable