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

^KT-65979

compiler/testData/codegen/box/initializers/initializers4.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+const val INT_MAX_POWER_OF_TWO: Int = Int.MAX_VALUE / 2 + 1
+val DOUBLE = Double.MAX_VALUE - 1.0
+
+fun box(): String {
+    assertEquals(1073741824, INT_MAX_POWER_OF_TWO)
+    assertTrue(DOUBLE > 0.0)
+
+    return "OK"
+}