swc_bundler:
- Improve performance
- Use `Vec<AHashSet<usize>>` instead of `AHashSet<(usize, usize)>`.
- Fix statement orderings. (denoland/deno#9464)
- Fix wrapped esm mixed with circular imports. (denoland/deno#8224)
- Store content of wrapped esm at top level. (denoland/deno#8224)
swc_bundler:
- Add a testing system for constant inliner.
swc_ecma_transforms_optimization:
- const_propagation: Handle export specifiers.
- const_propagation: Handle inlining of variables whose initializer is inlined.
- dce: Allow dropping identifiers used in `exported` part of export specifiers.