JVM_IR KT-36853 patch parents after tailrecPhase

compiler/testData/codegen/box/defaultArguments/kt36853_nestedObject.kt

@@ -0,0 +1,33 @@
+// IGNORE_BACKEND: JS_IR, WASM
+
+interface IFoo {
+    fun foo(): String
+}
+
+tailrec fun tailrecDefault(
+    fake: Int,
+    x: IFoo = object : IFoo {
+        tailrec fun tailrecDefaultNested(
+            b: Boolean,
+            y: IFoo = object: IFoo {
+                override fun foo() = "OK"
+            }
+        ): String {
+            return if (b)
+                tailrecDefaultNested(false)
+            else
+                y.foo()
+        }
+
+        override fun foo(): String {
+            return tailrecDefaultNested(true)
+        }
+    }
+): String {
+    return if (fake == 0)
+        tailrecDefault(1)
+    else
+        x.foo()
+}
+
+fun box(): String = tailrecDefault(0)