From ff3b7d228e5decb3f3bd885b3cd39dd2ac6a8850 Mon Sep 17 00:00:00 2001
From: Shelley Vohr <shelley.vohr@gmail.com>
Date: Mon, 11 Oct 2021 12:49:40 +0200
Subject: [PATCH] src: ensure V8 initialized before marking milestone

PR-URL: https://github.com/nodejs/node/pull/40405
Refs: https://github.com/electron/electron/pull/31349
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
---
 src/env.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/env.cc b/src/env.cc
index 1cc7da1ce15f43..2cb2dccdf32ba4 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -458,8 +458,11 @@ void Environment::InitializeMainContext(Local<Context> context,
                            environment_start_time_);
   performance_state_->Mark(performance::NODE_PERFORMANCE_MILESTONE_NODE_START,
                            per_process::node_start_time);
-  performance_state_->Mark(performance::NODE_PERFORMANCE_MILESTONE_V8_START,
-                           performance::performance_v8_start);
+
+  if (per_process::v8_initialized) {
+    performance_state_->Mark(performance::NODE_PERFORMANCE_MILESTONE_V8_START,
+                            performance::performance_v8_start);
+  }
 }
 
 Environment::~Environment() {