From e89f7027a5a31768523f9e6e9f6e7fa179166def Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20Louren=C3=A7o?= <contact@viniciusl.com.br>
Date: Tue, 17 Oct 2023 21:26:40 -0300
Subject: [PATCH] test: avoid v8 deadcode on performance function
PR-URL: https://github.com/nodejs/node/pull/50074
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Backport-PR-URL: https://github.com/nodejs/node/pull/50074
---
test/parallel/test-performance-function.js | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/test/parallel/test-performance-function.js b/test/parallel/test-performance-function.js
index 5f774d6c2adcf5..b69a21308cf048 100644
--- a/test/parallel/test-performance-function.js
+++ b/test/parallel/test-performance-function.js
@@ -90,14 +90,20 @@ const {
}
(async () => {
+ let _deadCode;
+
const histogram = createHistogram();
- const m = (a, b = 1) => {};
+ const m = (a, b = 1) => {
+ for (let i = 0; i < 1e3; i++)
+ _deadCode = i;
+ };
const n = performance.timerify(m, { histogram });
assert.strictEqual(histogram.max, 0);
for (let i = 0; i < 10; i++) {
n();
await sleep(10);
}
+ assert.ok(_deadCode >= 0);
assert.notStrictEqual(histogram.max, 0);
[1, '', {}, [], false].forEach((histogram) => {
assert.throws(() => performance.timerify(m, { histogram }), {