[intl] Fix build for noi18n mode

test/mjsunit/regress/regress-4870.js

Index: test/mjsunit/regress/regress-4870.js
diff --git a/test/mjsunit/regress/regress-4870.js b/test/mjsunit/regress/regress-4870.js
index 3d52015c911b7b4482539d0266768803ed53937c..6e105485989c2e591be2dbb3ea82574ff6c73dae 100644
--- a/test/mjsunit/regress/regress-4870.js
+++ b/test/mjsunit/regress/regress-4870.js
@@ -2,7 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-assertThrows(() => Object.getOwnPropertyDescriptor(Intl.Collator.prototype,
-                                                   'compare')
-                   .get.call(new Intl.DateTimeFormat())('a', 'b'),
-             TypeError)
+if (this.Intl) {
+  assertThrows(() => Object.getOwnPropertyDescriptor(Intl.Collator.prototype,
+                                                     'compare')
+                     .get.call(new Intl.DateTimeFormat())('a', 'b'),
+               TypeError)
+}