Assignment to const variable in inline event handler is ignored

[goodhoko]

Describe the bug
When an inline event handler assigns to a const variable no error is raised and the assigment is silently ignored.

To Reproduce

• repl
• minimal example:

<script>
	const immutable = true
</script>
<button on:click={_ => immutable = false }>bug me!</button>

Expected behavior
A compile time error is raised.

Information about your Svelte project:
I have no project yet. I was just going thru the official tutorial where I noticed this.

Severity
For me, not annoying at all. Yet. .)

Additional context
Have a nice day!

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[Conduitry]

This is now a compile-time error in 3.52.0 - https://svelte.dev/repl/2c8e583e379f49b3af2066f08ad5c2ba?version=3.52.0