[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979

compiler/testData/codegen/box/arithmetic/basic_selfComparison.kt

@@ -0,0 +1,14 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+// Check that compiler doesn't optimize it to `true`
+fun selfCmp1(x: Int) = x + 1 > x
+
+fun selfCmp2(x: Int) = x - 1 < x
+
+fun box(): String {
+    assertFalse(selfCmp1(Int.MAX_VALUE))
+    assertFalse(selfCmp2(Int.MIN_VALUE))
+
+    return "OK"
+}