Strict mode octal literals.

test/mjsunit/strict-mode.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 97 matching lines @@
 //  "use strict";\
 //}', SyntaxError);
 
 // Strict mode doesn't affect the outer stop of strict code.
 function NotStrict(eval) {
   function Strict() {
     "use strict";
   }
   with ({}) {};
 }
+
+// Octal literal
+CheckStrictMode("var x = 012");
+CheckStrictMode("012");
+CheckStrictMode("'Hello octal\\032'");
+CheckStrictMode("function octal() { return 012; }");
+CheckStrictMode("function octal() { return '\\032'; }");
+
+// Octal before "use strict"
+assertThrows('\
+  function strict() {\
+    "octal\\032directive";\
+    "use strict";\
+  }', SyntaxError);