Infinity loop in jsx file

[cevek]

Simple repro

<span>{a ?? ''}</span>;

/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;
/^(\d\d)$/;

[jonschlinkert]

thanks for the heads up, and sorry for the late reply!!! I'll look into this ASAP.

FWIW, technically .jsx is not officially supported yet, but it's reasonable and probably common for ppl to want to use this with react, so I'm marking this as a bug.