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bors 4c83bd03a9 Auto merge of #107038 - compiler-errors:dont-wfcheck-non-local-rpit, r=oli-obk 
Don't wf-check non-local RPITs

We were using `ty::is_impl_trait_defn(..).is_none()` to check if we need to add WF obligations for an opaque type.

This is *supposed* to be checking if the type is a TAIT, since RPITs' wfness is implied by wf checking its parent item, but since `is_impl_trait_defn` returns `None` for non-local RPIT and async futures, we unnecessarily consider wf predicates for an RPIT if it is coming from a foreign crate.

Fixes #107036

r? `@oli-obk` but feel free to reassign
2023-01-19 16:49:06 +00:00
..
src Auto merge of #107038 - compiler-errors:dont-wfcheck-non-local-rpit, r=oli-obk 2023-01-19 16:49:06 +00:00
Cargo.toml Give a more helpful error for "trimmed_def_paths construted" 2022-12-22 13:12:15 -06:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

For more information about how rustc works, see the rustc dev guide.