IRGen: It appears parent type metadata is filled in correctly now

Author: slavapestov

lib/IRGen/Fulfillment.cpp

@@ -212,9 +212,6 @@ bool FulfillmentMap::searchParentTypeMetadata(IRGenModule &IGM,
   // We might not have a parent type.
   if (!parent) return false;
 
-  // Only class types properly initialize their parent type.
-  if (!isa<ClassDecl>(decl)) return false;
-
   // If we do, it has to be nominal one way or another.
   path.addNominalParentComponent();
   return searchTypeMetadata(IGM, parent, IsExact, source, std::move(path),keys);

lib/IRGen/GenMeta.cpp

@@ -157,7 +157,6 @@ namespace {
   /// the fill operations that the compiler emits for the bound decl.
   ///
   /// FIXME: Rework to use GenericSignature instead of AllArchetypes
-  /// FIXME: Rework for nested generics
   struct GenericArguments {
     /// The values to use to initialize the arguments structure.
     SmallVector<llvm::Value *, 8> Values;