swc_ecma_ast:
- Split `MemberExpr` into `MemberExpr` and `SuperPropExpr`.
- Use `Box<Expr>` for `MemberExpr.obj`.
- Use ad-hoc type for `MemberExpr.prop`.
- Use ad-hoc type for `SuperPropExpr.prop`.
- Use `Callee` instead of `ExprOrSpread` for `CallExpr`.
- Simplify types for meta property expressions.
swc_common:
- Use correct cargo feature for plugin apis.
swc_plugin:
- Add hidden functions required for memory operations from host.
swc_plugin_runner:
- Pass serialized AST to a wasm file.
