add local variable test. This test runs box() method and checks local variable types and names avaiable at every step.

compiler/testData/debug/localVariables/destructuringInFor.kt

@@ -0,0 +1,20 @@
+//FILE: test.kt
+
+// WITH_RUNTIME
+
+fun box() {
+    val map: Map<String, String> = mapOf("1" to "23")
+    for ((a, b)
+        in map) {
+        a + b
+    }
+}
+// IGNORE_BACKEND: JVM_IR
+// LOCAL VARIABLES
+// TestKt:6:
+// TestKt:8: map:java.util.Collections$SingletonMap
+// TestKt:7: map:java.util.Collections$SingletonMap
+// TestKt:9: map:java.util.Collections$SingletonMap, a:java.lang.String, b:java.lang.String
+// TestKt:7: map:java.util.Collections$SingletonMap
+// TestKt:8: map:java.util.Collections$SingletonMap
+// TestKt:11: map:java.util.Collections$SingletonMap