bjoernager/rust
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Auto merge of #113471 - compiler-errors:new-solver-norm-escaping, r=lcnr

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Allow escaping bound vars during `normalize_erasing_regions` in new solver

Add `AllowEscapingBoundVars` to `deeply_normalize`, and use it in the new solver in the `query_normalize` routine.

Ideally, we'd make all `query_normalize` calls handle pass in `AllowEscapingBoundVars` individually, because really the only `query_normalize` call that needs `AllowEscapingBoundVars::Yes` is the one in `try_normalize_generic_arg_after_erasing_regions`, but I think that's kind of overkill. I am happy to be convinced otherwise, though.

r? `@lcnr`
This commit is contained in:
bors 2023-07-14 21:14:30 +00:00
commit ad963232d9
4 changed files with 55 additions and 22 deletions
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2
compiler/rustc_trait_selection/src/solve/mod.rs
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@ -37,7 +37,7 @@ pub use eval_ctxt::{
EvalCtxt, GenerateProofTree, InferCtxtEvalExt, InferCtxtSelectExt, UseGlobalCache,
};
pub use fulfill::FulfillmentCtxt;
pub(crate) use normalize::deeply_normalize;
pub(crate) use normalize::{deeply_normalize, deeply_normalize_with_skipped_universes};
#[derive(Debug, Clone, Copy)]
enum SolverMode {