From de1ec588d2fb40b29a0e4894df2f0e698bb68df4 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Sat, 6 Apr 2019 10:47:27 +0200
Subject: [PATCH] Specify an explicit offset when reporting an error for a
 for-of loop whose target is an expression that begins with 'let'.

---
 js/src/frontend/Parser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp
index 3a5b5d6d7c..3f793ffcfe 100644
--- a/js/src/frontend/Parser.cpp
+++ b/js/src/frontend/Parser.cpp
@@ -5536,7 +5536,7 @@ Parser<ParseHandler>::forHeadStart(YieldHandling yieldHandling,
     //
     // See ES6 13.7.
     if (isForOf && letIsIdentifier) {
-        reportWithNode(ParseError, false, *forInitialPart, JSMSG_LET_STARTING_FOROF_LHS);
+        errorAt(exprOffset, JSMSG_LET_STARTING_FOROF_LHS);
         return false;
     }