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Report correct SelectionError for ConstArgHasType in new solver fulfill #134771

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver) labels Dec 25, 2024
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rustbot commented Dec 25, 2024

Some changes occurred to the core trait solver

cc @rust-lang/initiative-trait-system-refactor

};
FulfillmentErrorCode::Select(SelectionError::ConstArgHasWrongType {
ct,
ct_ty,
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@compiler-errors compiler-errors Dec 25, 2024

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It would be convenient if the selection error didn't have to store the const type, but if we re-derived it in the error reporting code.

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S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
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