* Accessing `ta[0]` throws a TypeError.
* Fix array indices starting at 0 and property references
* Fix classfields templates for properly checking static propnames.
* Generate tests
* `assert.equal` is not defined
* Add missing includes
* Generate tests
* typo s/Avalue/42/
* fix whitespace
* Add missing var for strict mode
* Expand generated class fields tests for forbidden computed property name values
Ref https://github.com/tc39/test262/pull/1339#issuecomment-342830243
* derived classes have access to private names in base classes, if private names are in scope