AST: Remove AbstractTypeParamDecl::getSuperclass()/getConformingProtocols()

Author: slavapestov

include/swift/AST/Decl.h

@@ -3192,13 +3192,6 @@ class AbstractTypeParamDecl : public TypeDecl {
     : TypeDecl(kind, dc, name, NameLoc, { }) { }
 
 public:
-  /// Return the superclass of the generic parameter.
-  Type getSuperclass() const;
-
-  /// Retrieve the set of protocols to which this abstract type
-  /// parameter conforms.
-  ArrayRef<ProtocolDecl *> getConformingProtocols() const;
-
   static bool classof(const Decl *D) {
     return D->getKind() >= DeclKind::First_AbstractTypeParamDecl &&
            D->getKind() <= DeclKind::Last_AbstractTypeParamDecl;

lib/AST/Decl.cpp

@@ -4623,31 +4623,6 @@ Type TypeAliasDecl::getStructuralType() const {
   return ErrorType::get(ctx);
 }
 
-Type AbstractTypeParamDecl::getSuperclass() const {
-  auto *genericEnv = getDeclContext()->getGenericEnvironmentOfContext();
-  assert(genericEnv != nullptr && "Too much circularity");
-
-  auto contextTy = genericEnv->mapTypeIntoContext(getDeclaredInterfaceType());
-  if (auto *archetype = contextTy->getAs<ArchetypeType>())
-    return archetype->getSuperclass();
-
-  // FIXME: Assert that this is never queried.
-  return nullptr;
-}
-
-ArrayRef<ProtocolDecl *>
-AbstractTypeParamDecl::getConformingProtocols() const {
-  auto *genericEnv = getDeclContext()->getGenericEnvironmentOfContext();
-  assert(genericEnv != nullptr && "Too much circularity");
-
-  auto contextTy = genericEnv->mapTypeIntoContext(getDeclaredInterfaceType());
-  if (auto *archetype = contextTy->getAs<ArchetypeType>())
-    return archetype->getConformsTo();
-
-  // FIXME: Assert that this is never queried.
-  return { };
-}
-
 GenericTypeParamDecl::GenericTypeParamDecl(
     DeclContext *dc, Identifier name, SourceLoc nameLoc, SourceLoc ellipsisLoc,
     unsigned depth, unsigned index, bool isParameterPack, bool isOpaqueType,