================
@@ -14526,6 +14564,9 @@ static QualType getCommonSugarTypeNode(ASTContext &Ctx,
const Type *X,
DX->isCountInBytes(), DX->isOrNull(),
CDX);
}
+ case Type::PredefinedSugar:
+ // FIXME: Should this be reachable here?
+ return QualType();
----------------
mizvekov wrote:
```suggestion
case Type::PredefinedSugar:
assert(cast<PredefinedSugarType>(X)->getKind() !=
cast<PredefinedSugarType>(Y)->getKind());
return QualType();
```
Yeah, this can be reached if you have two PredefinedTypes which have the same
canonical type.
The assert is helpful because if you reach here and they have the same kind,
that means we screwed up the uniquing and created two different PredefinedTypes
with the same kind.
https://github.com/llvm/llvm-project/pull/143653
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