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0b65d0db5f
rust/compiler/rustc_hir_analysis
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bors 0b65d0db5f Auto merge of #142074 - oli-obk:its-finally-gone, r=petrochenkov 
Remove CollectItemTypesVisitor

I always felt like we were very unnecessarily walking the HIR, let's see if perf agrees

There is lots to ~~improve~~ consolidate further here, as we still have 3 item wfchecks:

* check_item (matching on the hir::ItemKind)
    * actually doing trait solver based checks (by using HIR spans)
* lower_item (matching on the hir::ItemKind after loading it again??)
    * just ensure_ok-ing a bunch of queries
* check_item_type (matching on DefKind)
    * some type based checks, mostly ensure_ok-ing a bunch of queries

fixes rust-lang/rust#121429
2025-06-08 02:04:41 +00:00
..
src Auto merge of #142074 - oli-obk:its-finally-gone, r=petrochenkov 2025-06-08 02:04:41 +00:00
Cargo.toml don't depend on rustc_attr_parsing if rustc_data_structures will do 2025-05-09 23:16:55 +02:00
messages.ftl Rollup merge of #140218 - fmease:hirtylo-clean-up-path-low, r=compiler-errors 2025-05-22 16:02:28 +02:00
README.md rustc_typeck to rustc_hir_analysis 2022-09-27 10:37:23 +02:00

README.md

For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.