Nathan Shively-Sanders d3877d294c
Redo in narrowing for intersections (#39637)
* Redo in-narrowing for intersections

Still need to carve out an exception for globalThis

* exempt globalThis from `in` narrowing
2020-07-30 14:58:22 -07:00
..
2020-06-17 03:28:55 -04:00
2020-06-17 03:28:55 -04:00