KT-6026 Exception on instantiating a nested class in an anonymous object

#KT-6026 Fixed

compiler/testData/diagnostics/tests/inner/kt6026.kt

@@ -0,0 +1,7 @@
+// KT-6026 Exception on instantiating a nested class in an anonymous object
+
+val oo = object {
+    class Nested
+
+    fun f1() = Nested(<!TOO_MANY_ARGUMENTS!>11<!>)
+}

compiler/testData/diagnostics/tests/inner/kt6026.txt

@@ -0,0 +1,3 @@
+package
+
+internal val oo: kotlin.Any