Swift: Extend the PrintAST test as well.

Author: geoffw0

swift/ql/test/library-tests/ast/PrintAst.expected

@@ -4218,6 +4218,20 @@ declarations.swift:
 #  173|     getElement(5): [IfConfigDecl] #if ...
 #  174|     getElement(6): [IntegerLiteralExpr] 9
 #  175|     getElement(7): [IntegerLiteralExpr] 10
+#  182| [ClassDecl] B
+#  182|   getMember(0): [DestructorDecl] B.deinit()
+#  182|       InterfaceType = (B) -> () -> ()
+#  182|     getSelfParam(): [ParamDecl] self
+#  182|         Type = B
+#  182|     getBody(): [BraceStmt] { ... }
+#  182|   getMember(1): [ConstructorDecl] B.init()
+#  182|       InterfaceType = (B.Type) -> () -> B
+#  182|     getSelfParam(): [ParamDecl] self
+#  182|         Type = B
+#  182|     getBody(): [BraceStmt] { ... }
+#  182|       getElement(0): [ReturnStmt] return
+#  183| [TypeAliasDecl] A
+#  184| [TypeAliasDecl] C
 expressions.swift:
 #    1| [TopLevelCodeDecl] { ... }
 #    1|   getBody(): [BraceStmt] { ... }

swift/ql/test/library-tests/ast/declarations.swift

@@ -178,3 +178,7 @@ func ifConfig() {
   12
   #endif
 }
+
+class B {}
+typealias A = B
+typealias C = Int?