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Still-further-specializable projections are ambiguous

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This commit is contained in:
Michael Goulet 2023-03-25 23:34:49 +00:00
parent 96bd50dd47
commit 20679b1166
3 changed files with 48 additions and 1 deletions
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2
compiler/rustc_trait_selection/src/solve/project_goals.rs
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@ -174,7 +174,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> {
goal.predicate.def_id(),
impl_def_id
)? else {
return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes);
return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS);
};
if !assoc_def.item.defaultness(tcx).has_value() {