fix corner case in parsing directives (#3615)

1 files changed, 9 insertions, 1 deletions

diff --git a/test/mocha/number-literal.js b/test/mocha/number-literal.js
index c7560eb5..b87c88bb 100644
--- a/test/mocha/number-literal.js
+++ b/test/mocha/number-literal.js
@@ -2,10 +2,18 @@ var assert = require("assert");
 var UglifyJS = require("../node");
 
 describe("Number literals", function() {
+    it("Should allow legacy octal literals in non-strict mode", function() {
+        [
+            "'use strict'\n.slice()\n00",
+            '"use strict"\n.slice()\nvar foo = 00',
+        ].forEach(function(input) {
+            UglifyJS.parse(input);
+        });
+    });
     it("Should not allow legacy octal literals in strict mode", function() {
         var inputs = [
             '"use strict";00;',
-            '"use strict"; var foo = 00;'
+            '"use strict"; var foo = 00;',
         ];
         var test = function(input) {
             return function() {