perf_hooks: fix PerformanceObserver gc crash

Signed-off-by: James M Snell <jasnell@gmail.com>
Fixes: https://github.com/nodejs/node/issues/39548

PR-URL: https://github.com/nodejs/node/pull/39550
Reviewed-By: Bryan English <bryan@bryanenglish.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/test/parallel/test-perf-gc-crash.js b/test/parallel/test-perf-gc-crash.js
new file mode 100644
index 0000000000..d980e91a2f
--- /dev/null
+++ b/test/parallel/test-perf-gc-crash.js
@@ -0,0 +1,25 @@
+'use strict';
+
+require('../common');
+
+// Refers to https://github.com/nodejs/node/issues/39548
+
+// The test fails if this crashes. If it closes normally,
+// then all is good.
+
+const {
+  PerformanceObserver,
+} = require('perf_hooks');
+
+// We don't actually care if the observer callback is called here.
+const gcObserver = new PerformanceObserver(() => {});
+
+gcObserver.observe({ entryTypes: ['gc'] });
+
+gcObserver.disconnect();
+
+const gcObserver2 = new PerformanceObserver(() => {});
+
+gcObserver2.observe({ entryTypes: ['gc'] });
+
+gcObserver2.disconnect();