cannot properly extend DOMException

[KhafraDev]

Version

v24.6.0 and v24.7.0

Platform

n/a

Subsystem

web standards

What steps will reproduce the bug?

class MyDOMException extends DOMException {
  get reason () {
    return 'hello'
  }
}

console.log(new MyDOMException().reason)

node v22: 'hello'
node v24: undefined

How often does it reproduce? Is there a required condition?

always

What is the expected behavior? Why is that the expected behavior?

it should work

What do you see instead?

n/a

Additional information

cc @legendecas

[KhafraDev]

it's most likely either 5457443 or e679e38

this is causing issues in undici