Disconnect loops between upper bounds of type parameters

#KT-9759 Fixed

compiler/testData/diagnostics/tests/regressions/itselfAsUpperBoundMember.kt

@@ -1,5 +1,5 @@
 // !DIAGNOSTICS: -MUST_BE_INITIALIZED_OR_BE_ABSTRACT -TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER
 class My {
-    fun <T: <!CYCLIC_GENERIC_UPPER_BOUND!>T?<!>> foo() {}
-    val <T: <!CYCLIC_GENERIC_UPPER_BOUND!>T?<!>> prop: T
+    fun <<!CYCLIC_GENERIC_UPPER_BOUND!>T: T?<!>> foo() {}
+    val <<!CYCLIC_GENERIC_UPPER_BOUND!>T: T?<!>> prop: T
 }