From 16063dd8b357dca5ded7ec772ca53a10dbeee9ad Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sun, 2 Nov 2014 14:18:40 +1100
Subject: [PATCH] add strictMode option

---
 acorn.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/acorn.js b/acorn.js
index d17a29c418..f5e9d835e3 100644
--- a/acorn.js
+++ b/acorn.js
@@ -164,6 +164,9 @@
         comments.push(comment);
       };
     }
+    if (opts.strictMode) {
+      strict = true;
+    }
     isKeyword = options.ecmaVersion >= 6 ? isEcma6Keyword : isEcma5AndLessKeyword;
   }