Remove Unused Type Nodes

Author: CodaFi

lib/Serialization/DeclTypeRecordNodes.def

@@ -91,7 +91,6 @@ TYPE(METATYPE)
 TYPE(PRIMARY_ARCHETYPE)
 TYPE(OPENED_ARCHETYPE)
 TYPE(OPAQUE_ARCHETYPE)
-TYPE(NESTED_ARCHETYPE)
 TYPE(SEQUENCE_ARCHETYPE)
 TYPE(PROTOCOL_COMPOSITION)
 TYPE(PARAMETERIZED_PROTOCOL)
@@ -107,7 +106,6 @@ TYPE(OPTIONAL)
 TYPE(VARIADIC_SEQUENCE)
 TYPE(SIL_FUNCTION)
 TYPE(DYNAMIC_SELF)
-TYPE(OPENED_EXISTENTIAL)
 TYPE(EXISTENTIAL_METATYPE)
 TYPE(SIL_BLOCK_STORAGE)
 TYPE(SIL_BOX)

lib/Serialization/ModuleFormat.h

@@ -58,7 +58,7 @@ const uint16_t SWIFTMODULE_VERSION_MAJOR = 0;
 /// describe what change you made. The content of this comment isn't important;
 /// it just ensures a conflict if two people change the module format.
 /// Don't worry about adhering to the 80-column limit for this line.
-const uint16_t SWIFTMODULE_VERSION_MINOR = 689; // cast ownership serialization
+const uint16_t SWIFTMODULE_VERSION_MINOR = 690; // remove unused type nodes
 
 /// A standard hash seed used for all string hashes in a serialized module.
 ///