Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/testing/web-platform/tests/workers/Worker-replace-event-handler.any.js b/testing/web-platform/tests/workers/Worker-replace-event-handler.any.js
new file mode 100644
index 0000000000..ff7c764f2b
--- /dev/null
+++ b/testing/web-platform/tests/workers/Worker-replace-event-handler.any.js
@@ -0,0 +1,11 @@
+// META: global=worker
+// This is a regression test for a crash bug in Chrome: http://crbug.com/239669
+function update() {
+  onmessage = undefined;
+}
+
+test(() => {
+  for (var i = 0; i < 8; ++i) {
+    update();
+  }
+}, "Tests that repeatedly setting 'onmessage' within a worker doesn't crash.");