deps: add missing HandleScope in FieldType::PrintTo

Refs: https://github.com/nodejs/node/issues/22775

PR-URL: https://github.com/nodejs/node/pull/22890
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Refael Ackermann <refack@gmail.com>

common.gypi

@@ -29,7 +29,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.11',
+    'v8_embedder_string': '-node.12',
 
     # Enable disassembler for `--print-code` v8 options
     'v8_enable_disassembler': 1,

deps/v8/src/field-type.cc

@@ -78,6 +78,7 @@ void FieldType::PrintTo(std::ostream& os) {
     os << "None";
   } else {
     DCHECK(IsClass());
+    HandleScope scope(Map::cast(this)->GetIsolate());
     os << "Class(" << static_cast<void*>(*AsClass()) << ")";
   }
 }