v8: replace Buffer with FastBuffer in deserialize

Replace the Buffer constructor with a FastBuffer in v8.deserialize in
order to avoid calling the Buffer constructor and thus triggering a
deprecation warning from code inside the core.

Fixes: https://github.com/nodejs/node/issues/21181

PR-URL: https://github.com/nodejs/node/pull/21196
Fixes: https://github.com/nodejs/node/issues/21181
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/v8.js b/lib/v8.js
index ed93b094ca..0d9ffc6033 100644
--- a/lib/v8.js
+++ b/lib/v8.js
@@ -143,7 +143,7 @@ const arrayBufferViewTypeToIndex = new Map();
   }
 }
 
-const bufferConstructorIndex = arrayBufferViewTypes.push(Buffer) - 1;
+const bufferConstructorIndex = arrayBufferViewTypes.push(FastBuffer) - 1;
 
 class DefaultSerializer extends Serializer {
   constructor() {