Fault-tolerant @bable/parser parsing

[m4nuC]

Fault-tolerant flag option for parsing

Is your feature request related to a problem? Please describe.
acorn-loose is a thing, and esprima can be passed a tolerant flag with a value of true. For my usecase, it would be beneficial to reproduce this with babel parser.

Describe the solution you'd like
A flag option to be passed to the parser API

[babel-bot]

Hey @m4nuC! We really appreciate you taking the time to report an issue. The collaborators on this project attempt to help as many people as possible, but we're a limited number of volunteers, so it's possible this won't be addressed swiftly.

If you need any help, or just have general Babel or JavaScript questions, we have a vibrant Slack community that typically always has someone willing to help. You can sign-up here for an invite.

[JLHwung]

#10363 is related to this request.