From: Anthony Van de Gejuchte <anthonyvdgent@gmail.com>
Date: Thu, 17 Dec 2015 22:02:35 +0000 (+0100)
Subject: Semicolon after do...while statement is optional
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=bd99b004137961b3b604fcd55602835bf6ffc522;p=UglifyJS.git

Semicolon after do...while statement is optional
---

diff --git a/lib/parse.js b/lib/parse.js
index de27d987..4d06ae05 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -724,9 +724,9 @@ function parse($TEXT, options) {
         );
     };
 
-    function semicolon() {
+    function semicolon(optional) {
         if (is("punc", ";")) next();
-        else if (!can_insert_semicolon()) unexpected();
+        else if (!optional && !can_insert_semicolon()) unexpected();
     };
 
     function parenthesised() {
@@ -814,7 +814,7 @@ function parse($TEXT, options) {
               case "do":
                 return new AST_Do({
                     body      : in_loop(statement),
-                    condition : (expect_token("keyword", "while"), tmp = parenthesised(), semicolon(), tmp)
+                    condition : (expect_token("keyword", "while"), tmp = parenthesised(), semicolon(true), tmp)
                 });
 
               case "while":