Add bytecode text tests for ForLoopsLowering.

compiler/testData/codegen/bytecodeText/forLoop/stepped/stepThenStepNonConst.kt

@@ -0,0 +1,50 @@
+// TARGET_BACKEND: JVM_IR
+fun one() = 1
+
+fun box(): String {
+    for (i in 1..6 step one() step one()) {
+    }
+
+    return "OK"
+}
+
+// For "step" progressions in JVM IR, if the step is non-constant, there is a check that it is > 0, and if not, an IllegalArgumentException
+// is thrown.
+//
+// Expected lowered form of loop:
+//
+//   // Additional variables:
+//   val innerStepArg = one()
+//   val innerNewStep = if (innerStepArg > 0) innerStepArg
+//                      else throw IllegalArgumentException("Step must be positive, was: $innerStepArg.")
+//   val outerNestedLast = getProgressionLastElement(1, 6, innerNewStep)
+//   val outerStepArg = one()
+//   val outerNewStep = if (outerStepArg > 0) outerStepArg
+//                      else throw IllegalArgumentException("Step must be positive, was: $outerStepArg.")
+//
+//   // Standard form of loop over progression
+//   var inductionVar = 1
+//   val last = getProgressionLastElement(1, outerNestedLast, outerNewStep)
+//   val step = outerNewStep
+//   if (inductionVar <= last) {
+//     // Loop is not empty
+//     do {
+//       val i = inductionVar
+//       inductionVar += step
+//       // Loop body
+//     } while (i != last)
+//   }
+
+// 0 iterator
+// 0 getStart
+// 0 getEnd
+// 0 getFirst
+// 0 getLast
+// 0 getStep
+// 2 INVOKESTATIC kotlin/internal/ProgressionUtilKt.getProgressionLastElement
+// 2 NEW java/lang/IllegalArgumentException
+// 2 ATHROW
+// 1 IF_ICMPGT
+// 1 IF_ICMPNE
+// 2 IFLE
+// 4 IF