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6f1500aec2
cleanup our region error API - require `TypeErrCtxt` to always result in an error, closing #108810 - move `resolve_regions_and_report_errors` to the `ObligationCtxt` - call `process_registered_region_obligations` in `resolve_regions` - move `resolve_regions` into the `outlives` submodule - add `#[must_use]` to functions returning lists of errors r? types
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.