Merge pull request #2362 from erik-krogh/promiseAll

Approved by max-schaefer

javascript/ql/test/query-tests/Statements/UseOfReturnlessFunction/tst.js

@@ -88,6 +88,8 @@
 	}
 	
 	new Deferred().resolve(onlySideEffects()); // OK
+	
+	Promise.all([onlySideEffects(), onlySideEffects()])
 })();
 
 +function() {
@@ -104,4 +106,4 @@ class Bar extends Foo {
 	constructor() {
 		console.log(super()); // OK.
 	}
-}
+}