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Sema: Stop calling getAllConformances() on protocols

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This commit is contained in:
Slava Pestov
2022-08-22 19:32:28 -04:00
parent b254dc2141
commit e8dc19a70b
5 changed files with 26 additions and 26 deletions
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13
lib/Sema/ConstraintSystem.cpp
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@@ -6947,15 +6947,10 @@ bool TypeVarBindingProducer::requiresOptionalAdjustment(
// produce an optional of that type as a potential binding. We
// overwrite the binding in place because the non-optional type
// will fail to type-check against the nil-literal conformance.
bool conformsToExprByNilLiteral = false;
if (auto *nominalBindingDecl = type->getAnyNominal()) {
SmallVector<ProtocolConformance *, 2> conformances;
conformsToExprByNilLiteral = nominalBindingDecl->lookupConformance(
CS.getASTContext().getProtocol(
KnownProtocolKind::ExpressibleByNilLiteral),
conformances);
}
return !conformsToExprByNilLiteral;
auto *proto = CS.getASTContext().getProtocol(
KnownProtocolKind::ExpressibleByNilLiteral);
return !proto->getParentModule()->lookupConformance(type, proto);
} else if (binding.isDefaultableBinding() && binding.BindingType->isAny()) {
return true;
}