swc_ecma_parser:
- improve parser's tests
It now shows the code failed to parse
- allow rest pattern in catch clause
- fix parsing of named export (semicolon)
swc_ecma_transforms:
- implement array spread
- add helper methods (objectWithoutProperties)
- add some fast paths
- make es2015::parameters handle catch clauses
- don't show helpers when execution failed
- export fixer
