Second assignment to const crashes the Rust compiler

[fabiomadge]

Dafny version

4.7.0

Code to produce this issue

class Cl {
  const c: bool
  constructor(c: bool) {
    this.c := c;
    this.c := c;
  }
}

method Main() {
  var cl := new Cl(false);
  print cl.c, "\n";
}

Command to run and resulting output

No response

What happened?

This shouldn't crash

What type of operating system are you experiencing the problem on?

Mac