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

^KT-65979

compiler/testData/codegen/box/escapeAnalysis/zeroOutObjectOnAlloc.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2020 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.*
+
+class A {
+    var x = 0
+}
+
+fun box(): String {
+    var sum1 = 0
+    var sum2 = 0
+    for (i in 0 until 10) {
+        val a = A()
+        sum1 += a.x
+        a.x = i
+        sum2 += a.x
+    }
+    assertEquals(0, sum1)
+    assertEquals(45, sum2)
+
+    return "OK"
+}