Minor, prevent infinite loops in range tests

compiler/testData/codegen/boxWithStdlib/ranges/literal/emptyDownto.kt

@@ -6,6 +6,7 @@ fun box(): String {
     val list1 = ArrayList<Int>()
     for (i in 5 downTo 10) {
         list1.add(i)
+        if (list1.size() > 23) break
     }
     if (list1 != listOf<Int>()) {
         return "Wrong elements for 5 downTo 10: $list1"
@@ -14,6 +15,7 @@ fun box(): String {
     val list2 = ArrayList<Byte>()
     for (i in 5.toByte() downTo 10.toByte()) {
         list2.add(i)
+        if (list2.size() > 23) break
     }
     if (list2 != listOf<Byte>()) {
         return "Wrong elements for 5.toByte() downTo 10.toByte(): $list2"
@@ -22,6 +24,7 @@ fun box(): String {
     val list3 = ArrayList<Short>()
     for (i in 5.toShort() downTo 10.toShort()) {
         list3.add(i)
+        if (list3.size() > 23) break
     }
     if (list3 != listOf<Short>()) {
         return "Wrong elements for 5.toShort() downTo 10.toShort(): $list3"
@@ -30,6 +33,7 @@ fun box(): String {
     val list4 = ArrayList<Long>()
     for (i in 5.toLong() downTo 10.toLong()) {
         list4.add(i)
+        if (list4.size() > 23) break
     }
     if (list4 != listOf<Long>()) {
         return "Wrong elements for 5.toLong() downTo 10.toLong(): $list4"
@@ -38,6 +42,7 @@ fun box(): String {
     val list5 = ArrayList<Char>()
     for (i in 'a' downTo 'z') {
         list5.add(i)
+        if (list5.size() > 23) break
     }
     if (list5 != listOf<Char>()) {
         return "Wrong elements for 'a' downTo 'z': $list5"
@@ -46,6 +51,7 @@ fun box(): String {
     val list6 = ArrayList<Double>()
     for (i in -1.0 downTo 5.0) {
         list6.add(i)
+        if (list6.size() > 23) break
     }
     if (list6 != listOf<Double>()) {
         return "Wrong elements for -1.0 downTo 5.0: $list6"
@@ -54,6 +60,7 @@ fun box(): String {
     val list7 = ArrayList<Float>()
     for (i in -1.0.toFloat() downTo 5.0.toFloat()) {
         list7.add(i)
+        if (list7.size() > 23) break
     }
     if (list7 != listOf<Float>()) {
         return "Wrong elements for -1.0.toFloat() downTo 5.0.toFloat(): $list7"