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Query-ify global limit attribute handling by Aaron1011 · Pull Request #86674 · r...
source link: https://github.com/rust-lang/rust/pull/86674
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Currently, we read various 'global limits' from inner attributes the crate root (recursion_limit, move_size_limit, type_length_limit, const_eval_limit). These limits are then stored in Sessions, allowing them to be access from a TyCtxt without registering a dependency on the crate root attributes.
This PR moves the calculation of these global limits behind queries, so that we properly track dependencies on crate root attributes. During the setup of macro expansion (before we've created a TyCtxt), we need to access the recursion limit, which is now done by directly calling into the code shared by the normal query implementations.
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