From 1d0fe7c85c8f81a4ea301498ac036a8ef37a2a3d Mon Sep 17 00:00:00 2001
From: Mathias Bynens <mathias@qiwi.be>
Date: Wed, 2 Oct 2019 17:42:55 +0200
Subject: [PATCH] Normative: make `String.prototype.matchAll` throw for
 non-global regular expressions (#1716)

---
 spec.html | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/spec.html b/spec.html
index 0d23d656e7..f1d0ff74b5 100644
--- a/spec.html
+++ b/spec.html
@@ -29725,6 +29725,11 @@ <h1>String.prototype.matchAll ( _regexp_ )</h1>
         <emu-alg>
           1. Let _O_ be ? RequireObjectCoercible(*this* value).
           1. If _regexp_ is neither *undefined* nor *null*, then
+            1. Let _isRegExp_ be ? IsRegExp(_regexp_).
+            1. If _isRegExp_ is true, then
+              1. Let _flags_ be ? Get(_regexp_, *"flags"*).
+              1. Perform ? RequireObjectCoercible(_flags_).
+              1. If ? ToString(_flags_) does not contain *"g"*, throw a *TypeError* exception.
             1. Let _matcher_ be ? GetMethod(_regexp_, @@matchAll).
             1. If _matcher_ is not *undefined*, then
               1. Return ? Call(_matcher_, _regexp_, &laquo; _O_ &raquo;).