Resolve regressions

- Get correct types in wasm backend.
- `arg` is already a `Ref`, therefore simply use `@intToEnum`.
- Fix regression in `zirBoolBr, where the order of insertion was incorrect.
caa0de545eLuuk de Gram committed on 7/20/2021, 7:19:17 PM· committed by Andrew Kelleyparent1150fc1
2 files changedLine totals unavailable