JVM IR: skip temporary variables in InventNamesForLocalClasses

compiler/testData/codegen/box/ir/anonymousObjectInForLoopIteratorAndBody.kt

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// KJS_WITH_FULL_RUNTIME
+
+fun box(): String {
+    var result = ""
+    for (x in listOf('O', 'A', 'K').filter { it > 'D' }) {
+        result += object { fun run() = x }.run()
+    }
+    return result
+}