Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/regressions/kt6434.kt

@@ -0,0 +1,30 @@
+// WITH_RUNTIME
+
+enum class E {
+    VALUE,
+    VALUE2
+}
+
+class C(val nums: Map<E, Int>) {
+    val normalizedNums = loadNormalizedNums()
+
+    private fun loadNormalizedNums(): Map<E, Float> {
+        val vals = nums.values
+        val min = vals.min()!!
+        val max = vals.max()!!
+        val rangeDiff = (max - min).toFloat()
+        val normalizedNums = nums.map { kvp ->
+            val (e, num) = kvp
+            //val e = kvp.key
+            //val num = kvp.value
+            val normalized = (num - min) / rangeDiff
+            Pair(e, normalized)
+        }.toMap()
+        return normalizedNums
+    }
+}
+
+fun box(): String {
+    val res = C(hashMapOf(E.VALUE to 11, E.VALUE2 to 12)).normalizedNums.values.sorted().joinToString()
+    return  if ("0.0, 1.0" == res) "OK" else "fail $res"
+}