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Handle trait/impl GAC mismatches when inferring missing/placeholder types

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This commit is contained in:
León Orell Valerian Liehr 2024-05-23 20:05:28 +02:00
parent 24afa42a90
commit 39d9b840bb
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4 changed files with 27 additions and 16 deletions
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3
compiler/rustc_hir_typeck/src/lib.rs
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@ -244,7 +244,8 @@ fn infer_type_if_missing<'tcx>(fcx: &FnCtxt<'_, 'tcx>, node: Node<'tcx>) -> Opti
impl_def_id,
impl_trait_ref.args,
);
Some(tcx.type_of(trait_item_def_id).instantiate(tcx, args))
tcx.check_args_compatible(trait_item_def_id, args)
.then(|| tcx.type_of(trait_item_def_id).instantiate(tcx, args))
} else {
Some(fcx.next_ty_var(span))
}