Redesigning `super let`: Flexible Temporary Lifetime Extension

[tomassedovic]

Metadata
Point of contact	@dianne
Team(s)	compiler, lang, libs
Goal document	2026/redesigning-super-let

Summary

I aim to meet with the language team to discuss redesigning the super let feature, write an RFC for it, and work towards stabilizing it.

Tasks and status

[tomassedovic]

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