From 4eb19d19a5c7313fd5f7a4e06a9b735dbbe2c9c6 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Sun, 2 Jun 2019 16:57:26 +0200
Subject: [PATCH] Fix storage usage when disabled

---
 src/librustdoc/html/static/storage.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/librustdoc/html/static/storage.js b/src/librustdoc/html/static/storage.js
index d5dea247d28..e3927350d11 100644
--- a/src/librustdoc/html/static/storage.js
+++ b/src/librustdoc/html/static/storage.js
@@ -64,13 +64,11 @@ function usableLocalStorage() {
     // preferences deny access to localStorage, e.g., to prevent storage of
     // "cookies" (or cookie-likes, as is the case here).
     try {
-        window.localStorage;
+        return window.localStorage !== null && window.localStorage !== undefined;
     } catch(err) {
         // Storage is supported, but browser preferences deny access to it.
         return false;
     }
-
-    return true;
 }
 
 function updateLocalStorage(name, value) {