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

^KT-65979

compiler/testData/codegen/box/function/intrinsic.kt

@@ -0,0 +1,23 @@
+/*
+ * 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.*
+
+// This code fails to link when bultins are taken from the 
+// frontend generated module, instead of our library.
+// Because the generated module doesn't see our name changing annotations,
+// the function names are all wrong.
+
+fun intrinsic(b: Int): Int {
+  var sum = 1
+  sum = sum + b
+  return sum
+}
+
+fun box(): String {
+  assertEquals(4, intrinsic(3))
+  return "OK"
+}