ResolutionFacade for synthetic files should be invalidated on changes in these synthetic files

Fixed EA-77017

core/util.runtime/src/org/jetbrains/kotlin/utils/addToStdlib.kt

@@ -112,3 +112,11 @@ inline fun <T, R : Any> Iterable<T>.firstNotNullResult(transform: (T) -> R?): R?
     }
     return null
 }
+
+inline fun <T> Iterable<T>.sumByLong(selector: (T) -> Long): Long {
+    var sum: Long = 0
+    for (element in this) {
+        sum += selector(element)
+    }
+    return sum
+}