Fixed infinite recursion

idea/testData/findUsages/kotlin/conventions/components/recursiveDataClass1.0.kt

@@ -0,0 +1,10 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtParameter
+// OPTIONS: usages
+
+data class A(val <caret>a: A?, val n: Int)
+
+fun f(a: A) {
+    val (a1, n1) = a
+    val (a2, n2) =
+            a?.a ?: return
+}

idea/testData/findUsages/kotlin/conventions/components/recursiveDataClass1.log

@@ -0,0 +1,9 @@
+Checked type of (a1, n1)
+Checked type of (a2, n2)
+Checked type of (a2, n2)
+Searched inheritors of A
+Searched references to A
+Searched references to parameter a in A() in Kotlin files
+Searched references to parameter a in f() in Kotlin files
+Used plain search in LocalSearchScope:
+    CLASS:A

idea/testData/findUsages/kotlin/conventions/components/recursiveDataClass1.results.txt

@@ -0,0 +1,3 @@
+Value read 7 val (a1, n1) = a
+Value read 8 val (a2, n2) =
+Value read 9 a?.a ?: return

idea/testData/findUsages/kotlin/conventions/components/recursiveDataClass2.0.kt

@@ -0,0 +1,10 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtParameter
+// OPTIONS: usages
+
+data class A(val <caret>b: B, val n: Int)
+data class B(val a: A?, val s: String)
+
+fun f(a: A) {
+    val (b, n) = a
+    val (a1, s) = b
+}

idea/testData/findUsages/kotlin/conventions/components/recursiveDataClass2.log

@@ -0,0 +1,15 @@
+Checked type of (a1, s)
+Checked type of (b, n)
+Searched inheritors of A
+Searched inheritors of B
+Searched references to A
+Searched references to B
+Searched references to a1 in Kotlin files
+Searched references to b in Kotlin files
+Searched references to parameter a in B() in Kotlin files
+Searched references to parameter a in f() in Kotlin files
+Searched references to parameter b in A() in Kotlin files
+Used plain search in LocalSearchScope:
+    CLASS:A
+Used plain search in LocalSearchScope:
+    CLASS:B

idea/testData/findUsages/kotlin/conventions/components/recursiveDataClass2.results.txt

@@ -0,0 +1 @@
+Value read 8 val (b, n) = a