### Describe the bug We error on [this](https://svelte-5-preview.vercel.app/#H4sIAAAAAAAAEy2MwQqDMBBEfyWslwol0mtO7XeoB21GCGhckijIkn_vCj3NvMcwQktYkcn1QnHaQI4-zPSkcvEN-cRaoJz3I31vI02OgRnFTI-5rUM0RmYN6f5eu9I7IXokHVlr-9fYVj3Zdh-WAE-upAN1rD8iEXLLfwAAAA==)... ```svelte {#snippet a(b)} {b} {/snippet} {@render a(...[1])} ``` ...but not [this](https://svelte-5-preview.vercel.app/#H4sIAAAAAAAAEy2MwQqDMBBEfyVsLxVKtNec2u-wHtSMENC4JLFQlvy7K_T23swwQktYkcn1QnHcQI7ezPSg8uNL8hdrgXrejzRfidxyDMwoZrxba6emfqIxMvXdoCTtv1VWeyVEj6TTZ1P1Zdt9WAI8uZIO1KGeEKUetYAAAAA=): ```svelte {#snippet a(...b)} {b[0]} {/snippet} {@render a(1)} ``` Instead, it fails cryptically at runtime. ### Reproduction see above ### Logs _No response_ ### System Info ```shell next ``` ### Severity annoyance