[Svelte 5] array pop will trigger Uncaught TypeError

[jirihon]

Describe the bug

Clicking on push and then pop will trigger Uncaught TypeError: Cannot read properties of undefined (reading 'id')

<script>
    let numbers = $state([{id: 1}, {id: 2}, {id: 3}]);
</script>

<button onclick={() => numbers.push({id: numbers.length + 1})}>
    push
</button>

<button onclick={() => numbers.pop()}>
    pop
</button>

{#each numbers as number}
    <p>{number.id}</p>
{/each}

Reproduction

https://svelte-5-preview.vercel.app/#H4sIAAAAAAAAA42PwWrDMBBEf0Vse7CpiUl7c2VDvyPKwZE3tYi8EtaqUIT-vcipW-ipt5lh5rGb4GosBuhOCWhcEDp48x4a4E9fTPhAywgNBBdXXRIZ9Go8D4oUW2RBcbngGkQvHgOPjNUpmakTx9yITTzv4iWf61dFsv0FkLxEZkfCkbZG3_pU1aIfdubBxzBX23hPLNI7z-JJHHOdtxtKp1DvpH9Rna_2sfN_tukBRz3_fDWGb5lLXfoh3e3BTFm2flCU2jLIiqCBxU3manCCjteI-Zy_AKDUYs1fAQAA

Logs

No response

System Info

svelte-5-preview.vercel.app

Severity

blocking all usage of svelte