Deno 1.5.0 bundle regression: bad Unicode character encoding

[nktpro]

Bundling in deno 1.5.0 would produce invalid code, due to what appears to be bad Unicode encoding in the output.

Here's a quick reproducer:

import { stringify } from "https://deno.land/std@0.75.0/encoding/yaml.ts";

console.log(stringify({
  foo: "bar",
}));

1.5.0 bundle will contain:

as opposed to the same snippet in 1.4.6

[kitsonk]

I will isolate it a bit more, but it looks like an upstream issue with swc.

[kitsonk]

I think this would impact bundling as well as --no-check. It is a defect with swc, which hopefully will be fixed quickly.