Analyzer does not fail on invalid generics use

[matanlurey]

i.e. this is reported fine by analyzer, but fails for DDC/VM/dart2js for me:

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
}

typedef List<T> Example<T>(List parent<T>);

[bwilkerson]

See analyzer/lib/src/generated/parser.dart:4365.