Minor. Add more tests

compiler/testData/codegen/box/inlineClasses/iterateOverListOfInlineClassValuesGeneric.kt

@@ -0,0 +1,16 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Foo<T: String>(val arg: T)
+
+fun box(): String {
+    val ls = listOf(Foo("abc"), Foo("def"))
+    var res = ""
+    for (el in ls) {
+        res += el.arg
+    }
+
+    return if (res != "abcdef") "Fail" else "OK"
+}