From 8e8101c763db4d1ca5e7b5c04dd09e9edfeeedc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Wed, 6 Apr 2022 14:57:06 +0200
Subject: [PATCH] Add failing test

---
 packages/babel-standalone/test/babel.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/babel-standalone/test/babel.js b/packages/babel-standalone/test/babel.js
index 8af895cc4149..0d1cfaddc3c2 100644
--- a/packages/babel-standalone/test/babel.js
+++ b/packages/babel-standalone/test/babel.js
@@ -256,6 +256,9 @@ const require = createRequire(import.meta.url);
           }),
         ).not.toThrow();
       });
+      it("#14425 - numeric separators should be parsed correctly", () => {
+        expect(() => Babel.transform("1_1")).not.toThrow();
+      });
     });
   },
 );