From 26be28d52b44f1d70afee148c08360c6048ef9d6 Mon Sep 17 00:00:00 2001
From: micschro <micschro@users.noreply.github.com>
Date: Tue, 10 Apr 2018 11:49:03 +0200
Subject: [PATCH] Fix #365

Fix broken parens on return statements with leading comments
---
 escodegen.js | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/escodegen.js b/escodegen.js
index efcca692..7a17d350 100644
--- a/escodegen.js
+++ b/escodegen.js
@@ -1738,10 +1738,19 @@
 
         ReturnStatement: function (stmt, flags) {
             if (stmt.argument) {
-                return [join(
-                    'return',
-                    this.generateExpression(stmt.argument, Precedence.Sequence, E_TTT)
-                ), this.semicolon(flags)];
+                var shouldParenthesize = stmt.argument.leadingComments && stmt.argument.leadingComments.length > 0;
+                var result = [];
+                if (shouldParenthesize) {
+                    var that = this;
+                    result.push('(', newline)
+                    withIndent(function () {
+                        result.push(addIndent(that.generateExpression(stmt.argument, Precedence.Sequence, E_TTT)), newline)
+                    });
+                    result.push(addIndent(')'))
+                } else {
+                    result.push(this.generateExpression(stmt.argument, Precedence.Sequence, E_TTT));
+                }
+                return [join('return', result), this.semicolon(flags)];
             }
             return ['return' + this.semicolon(flags)];
         },