Discrepancy in output between error.stack and thrown error

[ry]

class Foo extends Error {
  constructor() {
    super();
    this.name = "Foo";
  }
}
const error = new Foo;
console.log(error.stack);
throw error;

output:

> deno y.js
Foo:
    at file:///Users/rld/src/deno/y.js:8:15
error: Uncaught Foo
    at Foo (file:///Users/rld/src/deno/y.js:3:5)
    at file:///Users/rld/src/deno/y.js:8:15

reported by @Nayeem-Rahman