dillon1000/react

Allow the user to opt out of seeing "The above error..." addendum (#13384)

* Remove e.suppressReactErrorLogging check before last resort throw

It's unnecessary here. It was here because this method called console.error().
But we now rethrow with a clean stack, and that's worth doing regardless of whether the logging is silenced.

* Don't print error addendum if 'error' event got preventDefault()

* Add fixtures

* Use an expando property instead of a WeakSet

* Make it a bit less fragile

* Clarify comments