KT-6916 Slow bytecode for downTo iteration like for (i in max downTo min)

#KT-6916 fixed

compiler/testData/codegen/bytecodeText/forLoop/primitiveLiteralRange1.kt

@@ -0,0 +1,8 @@
+fun f() {
+    for (i in 1..2) {
+    }
+}
+
+// 0 iterator
+// 0 getStart
+// 0 getEnd

compiler/testData/codegen/bytecodeText/forLoop/primitiveLiteralRange2.kt

@@ -0,0 +1,8 @@
+fun f(a: Int, b: Int) {
+    for (i in a..b) {
+    }
+}
+
+// 0 iterator
+// 0 getStart
+// 0 getEnd

compiler/testData/codegen/bytecodeText/forLoop/primitiveProgression.kt

@@ -0,0 +1,11 @@
+fun f() {
+    for (i in 0..5 step 2) {
+    }
+    for (i in 5 downTo 1) {
+    }
+}
+
+// 0 iterator
+// 2 getStart
+// 2 getEnd
+// 2 getIncrement

compiler/testData/codegen/bytecodeText/forLoop/primitiveRange.kt

@@ -0,0 +1,8 @@
+fun f(r: IntRange) {
+    for (i in r) {
+    }
+}
+
+// 0 iterator
+// 1 getStart
+// 1 getEnd