- Don't produce mapping for closing bracket in case of expressionBody
- Map Kt*Function declaration into corresponding js fun declaration
- Update test data & add new test
Use it for char boxing/unboxing and unit materialization.
Possible to use for other purposes, for example, to add type checks
to dynamics.
See KT-18793, KT-17915, KT-19081, KT-18216, KT-12970, KT-17014,
KT-13932, KT-13930