From 4f387c25cb60ad556fce058546a52f905c3e9d51 Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Fri, 2 Apr 2021 19:51:15 -0700
Subject: [PATCH] test: fix flaky test-vm-memleak
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Force garbage collection so that the memory leak is more easily
differentiated from ordinary not-garbage-collected memory.

Refs: /~https://github.com/nodejs/node/pull/34289

PR-URL: /~https://github.com/nodejs/node/pull/38054
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 test/pummel/test-vm-memleak.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/pummel/test-vm-memleak.js b/test/pummel/test-vm-memleak.js
index 60b021f69906dd..752488e3efc0ed 100644
--- a/test/pummel/test-vm-memleak.js
+++ b/test/pummel/test-vm-memleak.js
@@ -20,7 +20,7 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 'use strict';
-// Flags: --max_old_space_size=32
+// Flags: --max_old_space_size=32 --expose_gc
 
 require('../common');
 const assert = require('assert');
@@ -34,6 +34,7 @@ const interval = setInterval(function() {
   } catch {
   }
 
+  global.gc();
   const rss = process.memoryUsage.rss();
   assert.ok(rss < 64 * 1024 * 1024,
             `memory usage: ${rss} (${Math.round(rss / (1024 * 1024))} MB)`);