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Remove some lifetime-only ObligationCauseCode notes

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This commit is contained in:
Michael Goulet 2023-11-23 06:27:47 +00:00
parent 54ee79b3b8
commit 0f9ab6371d
1 changed files with 3 additions and 11 deletions
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14
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
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@ -2607,7 +2607,9 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
| ObligationCauseCode::BinOp { .. }
| ObligationCauseCode::AscribeUserTypeProvePredicate(..)
| ObligationCauseCode::DropImpl
| ObligationCauseCode::ConstParam(_) => {}
| ObligationCauseCode::ConstParam(_)
| ObligationCauseCode::ReferenceOutlivesReferent(..)
| ObligationCauseCode::ObjectTypeBound(..) => {}
ObligationCauseCode::RustCall => {
if let Some(pred) = predicate.to_opt_poly_trait_pred()
&& Some(pred.def_id()) == self.tcx.lang_items().sized_trait()
@ -2621,16 +2623,6 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
ObligationCauseCode::TupleElem => {
err.note("only the last element of a tuple may have a dynamically sized type");
}
ObligationCauseCode::ReferenceOutlivesReferent(ref_ty) => {
err.note(format!(
"required so that reference `{ref_ty}` does not outlive its referent"
));
}
ObligationCauseCode::ObjectTypeBound(object_ty, region) => {
err.note(format!(
"required so that the lifetime bound of `{region}` for `{object_ty}` is satisfied",
));
}
ObligationCauseCode::ItemObligation(_)
| ObligationCauseCode::ExprItemObligation(..) => {
// We hold the `DefId` of the item introducing the obligation, but displaying it