Module rustc_middle::middle::limits
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Registering limits:
- recursion_limit,
- move_size_limit, and
- type_length_limit
There are various parts of the compiler that must impose arbitrary limits
on how deeply they recurse to prevent stack overflow. Users can override
this via an attribute on the crate like #![recursion_limit="22"]. This pass
just peeks and looks for that attribute.