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Auto merge of #131263 - compiler-errors:solver-relating, r=lcnr

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Introduce SolverRelating type relation to the new solver

Redux of #128744.

Splits out relate for the new solver so that implementors don't need to implement it themselves.

r? lcnr
This commit is contained in:
bors 2024-10-10 14:59:40 +00:00
commit 8d94e06ec9
31 changed files with 912 additions and 518 deletions
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6
compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs
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@ -1285,9 +1285,6 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
ValuePairs::ExistentialProjection(_) => {
(false, Mismatch::Fixed("existential projection"))
}
ValuePairs::Dummy => {
bug!("do not expect to report a type error from a ValuePairs::Dummy")
}
};
let Some(vals) = self.values_str(values) else {
// Derived error. Cancel the emitter.
@ -1853,9 +1850,6 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
let (exp, fnd) = self.cmp_fn_sig(&exp_found.expected, &exp_found.found);
Some((exp, fnd, None))
}
ValuePairs::Dummy => {
bug!("do not expect to report a type error from a ValuePairs::Dummy")
}
}
}