// If this isn't a tagged type, we can convert it!
const TagType *TT = Ty->getAs<TagType>();
if (TT == 0) return true;
-
-
- // If it's a tagged type used by-value, but is just a forward decl, we can't
- // convert it. Note that getDefinition()==0 is not the same as !isDefinition.
- // The exception is an enumeration type with a fixed underlying type; these
- // can be converted even if they are forward declarations.
+
+ // Incomplete types cannot be converted.
if (TT->isIncompleteType())
return false;