Added tests with NaN ends to codegen tests.

compiler/testData/codegen/boxWithStdlib/ranges/expression/infiniteSteps.kt

@@ -0,0 +1,43 @@
+// Auto-generated by org.jetbrains.jet.generators.tests.GenerateRangesCodegenTestData. DO NOT EDIT!
+import java.util.ArrayList
+import java.lang as j
+
+fun box(): String {
+    val list1 = ArrayList<Double>()
+    val range1 = 0.0..5.0 step j.Double.POSITIVE_INFINITY
+    for (i in range1) {
+        list1.add(i)
+    }
+    if (list1 != listOf<Double>(0.0)) {
+        return "Wrong elements for 0.0..5.0 step j.Double.POSITIVE_INFINITY: $list1"
+    }
+
+    val list2 = ArrayList<Float>()
+    val range2 = 0.0.toFloat()..5.0.toFloat() step j.Float.POSITIVE_INFINITY
+    for (i in range2) {
+        list2.add(i)
+    }
+    if (list2 != listOf<Float>(0.0)) {
+        return "Wrong elements for 0.0.toFloat()..5.0.toFloat() step j.Float.POSITIVE_INFINITY: $list2"
+    }
+
+    val list3 = ArrayList<Double>()
+    val range3 = 5.0 downTo 0.0 step j.Double.POSITIVE_INFINITY
+    for (i in range3) {
+        list3.add(i)
+    }
+    if (list3 != listOf<Double>(5.0)) {
+        return "Wrong elements for 5.0 downTo 0.0 step j.Double.POSITIVE_INFINITY: $list3"
+    }
+
+    val list4 = ArrayList<Float>()
+    val range4 = 5.0.toFloat() downTo 0.0.toFloat() step j.Float.POSITIVE_INFINITY
+    for (i in range4) {
+        list4.add(i)
+    }
+    if (list4 != listOf<Float>(5.0)) {
+        return "Wrong elements for 5.0.toFloat() downTo 0.0.toFloat() step j.Float.POSITIVE_INFINITY: $list4"
+    }
+
+    return "OK"
+}