Summary:
Changelog:
[Internal][ErrorHandling] 3/n Add a gate for parsing unhandled JS errors in C++
Gate this just in case it causes issues. Enabling this is definitely a better behavior than before, because we want the JS stack when there is a JS error, not the native stack.
Reviewed By: sammy-SC
Differential Revision: D40397393
fbshipit-source-id: 586b4d7bcf710edb048b5c643646ba2f3c4c302a