Generate annotations for declarations in psi2ir

compiler/testData/ir/irText/declarations/annotations/varargsInAnnotationArguments.kt

@@ -0,0 +1,13 @@
+annotation class A1(vararg val xs: Int)
+annotation class A2(vararg val xs: String)
+annotation class AA(vararg val xs: A1)
+
+@A1(1, 2, 3)
+@A2("a", "b", "c")
+@AA(A1(4), A1(5), A1(6))
+fun test1() {}
+
+@A1()
+@A2()
+@AA()
+fun test2() {}