From e56f326cf72e26a05fc164cbcac7855912d954a2 Mon Sep 17 00:00:00 2001
From: Joshua Spence <josh@freelancer.com>
Date: Thu, 20 Aug 2015 22:44:52 +1000
Subject: [PATCH] Add a call to `assert_instances_of`

Summary: This was taken from D13569.

Test Plan: `arc lint` still works.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D13943
---
 src/lint/engine/ArcanistLintEngine.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lint/engine/ArcanistLintEngine.php b/src/lint/engine/ArcanistLintEngine.php
index 720af8ef..8add0a88 100644
--- a/src/lint/engine/ArcanistLintEngine.php
+++ b/src/lint/engine/ArcanistLintEngine.php
@@ -471,6 +471,8 @@ abstract class ArcanistLintEngine extends Phobject {
   }
 
   private function executeLinters(array $runnable) {
+    assert_instances_of($runnable, 'ArcanistLinter');
+
     $all_paths = $this->getPaths();
     $path_chunks = array_chunk($all_paths, 32, $preserve_keys = true);