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rust/compiler/rustc_middle
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Matthias Krüger 93f1443280
Rollup merge of #123170 - compiler-errors:const-statics, r=lcnr 
Replace regions in const canonical vars' types with `'static` in next-solver canonicalizer

We shouldn't ever have non-static regions in consts on stable (or really any regions at all, lol).

The test I committed is less minimal than, e.g., https://github.com/rust-lang/rust/issues/123155?notification_referrer_id=NT_kwDOADgQyrMxMDAzNDU4MDI0OTozNjc0MzE0#issuecomment-2025472029 -- however, I believe that it actually portrays the underlying issue here a bit better than that one.

In the linked issue, we end up emitting a normalizes-to predicate for a const placeholder because we don't actually unify `false` and `""`. In the test I committed, we emit a normalizes-to predicate as a part of actually solving a negative coherence goal.

Fixes #123155
Fixes #118783

r? lcnr
2024-03-30 14:30:49 +01:00
..
src Rollup merge of #123170 - compiler-errors:const-statics, r=lcnr 2024-03-30 14:30:49 +01:00
Cargo.toml Stop ConstraintCategory Ord impl from relying on Ty's Ord impl. 2024-03-21 10:45:30 +00:00
messages.ftl Add a custom panic message for resuming gen blocks after they panicked 2023-10-30 10:23:57 +00:00
README.md

README.md

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