K2: change logic of result type search in ILT case

Related to KT-57487, KT-57703

compiler/testData/diagnostics/tests/integerLiterals/complexMapping.fir.kt

@@ -0,0 +1,35 @@
+// WITH_STDLIB
+// FILE: First.java
+
+public class First implements Comparable<First> {
+    public static First compose(int something) {
+        return null;
+    }
+}
+
+// FILE: Second.java
+
+public class Second implements Comparable<Second> {
+    public static Second compose(String something) {
+        return null;
+    }
+}
+
+// FILE: complexMapping.kt
+
+private fun <R : Comparable<R>> range(vararg ranges: Pair<R?, R?>): Ranges<R> = null!!
+
+private abstract class Ranges<C : Comparable<C>> {
+    abstract fun <M : Comparable<M>> map(transform: (C) -> M): Ranges<M>
+}
+
+private val INF: Nothing? = null
+
+private val foo = listOf(
+    range(0 to 1) to range(INF to ""),
+    range(2 to 3) to range(INF to "", "" to INF),
+    range(4 to 5) to range("" to INF),
+    range(6 to INF) to range("" to INF)
+).map {
+    it.first.map(First::compose) to it.second.map(Second::compose)
+}

compiler/testData/diagnostics/tests/integerLiterals/complexMapping.kt

@@ -0,0 +1,35 @@
+// WITH_STDLIB
+// FILE: First.java
+
+public class First implements Comparable<First> {
+    public static First compose(int something) {
+        return null;
+    }
+}
+
+// FILE: Second.java
+
+public class Second implements Comparable<Second> {
+    public static Second compose(String something) {
+        return null;
+    }
+}
+
+// FILE: complexMapping.kt
+
+private fun <R : Comparable<R>> range(vararg ranges: Pair<R?, R?>): Ranges<R> = null!!
+
+private abstract class Ranges<C : Comparable<C>> {
+    abstract fun <M : Comparable<M>> map(transform: (C) -> M): Ranges<M>
+}
+
+private val INF: Nothing? = null
+
+private val foo = listOf(
+    range(0 to 1) to range(<!DEBUG_INFO_CONSTANT!>INF<!> to ""),
+    range(2 to 3) to range(<!DEBUG_INFO_CONSTANT!>INF<!> to "", "" to <!DEBUG_INFO_CONSTANT!>INF<!>),
+    range(4 to 5) to range("" to <!DEBUG_INFO_CONSTANT!>INF<!>),
+    range(6 to <!DEBUG_INFO_CONSTANT!>INF<!>) to range("" to <!DEBUG_INFO_CONSTANT!>INF<!>)
+).map {
+    it.first.map(First::compose) to it.second.map(Second::compose)
+}

compiler/testData/diagnostics/tests/integerLiterals/vararg.fir.txt

@@ -6,9 +6,9 @@ FILE: vararg.fir.kt
         ^arrayDataNoBound Null(null)!!
     }
     public final fun test(b: R|kotlin/Byte|): R|kotlin/Unit| {
-        R|/select|<R|kotlin/Byte|>(R|/arrayData|<R|kotlin/Int|>(vararg(Int(1))), R|<local>/b|)
-        R|/select|<R|kotlin/Byte|>(R|/id|<R|kotlin/Int|>(Int(1)), R|<local>/b|)
-        R|/select|<R|kotlin/Byte|>(R|/id|<R|kotlin/Int|>(R|/arrayData|<R|kotlin/Int|>(vararg(Int(1)))), R|<local>/b|)
+        R|/select|<R|kotlin/Byte|>(R|/arrayData|<R|kotlin/Byte|>(vararg(Byte(1))), R|<local>/b|)
+        R|/select|<R|kotlin/Byte|>(R|/id|<R|kotlin/Byte|>(Byte(1)), R|<local>/b|)
+        R|/select|<R|kotlin/Byte|>(R|/id|<R|kotlin/Byte|>(R|/arrayData|<R|kotlin/Byte|>(vararg(Byte(1)))), R|<local>/b|)
         R|/select|<R|kotlin/Byte|>(R|/arrayDataNoBound|<R|kotlin/Byte|>(vararg(Byte(1))), R|<local>/b|)
     }
     public final fun <S> select(a: R|S|, b: R|S|): R|S| {