Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 19 insertions, 0 deletions

diff --git a/js/src/tests/non262/regress/regress-665355.js b/js/src/tests/non262/regress/regress-665355.js
new file mode 100644
index 0000000000..c027fa8a64
--- /dev/null
+++ b/js/src/tests/non262/regress/regress-665355.js
@@ -0,0 +1,19 @@
+var x = new ArrayBuffer(2);
+
+var test = function(newProto) {
+try {
+    x.__proto__ = newProto;
+    return false;
+} catch(e) {
+    return true;
+}
+}
+
+// assert cycle doesn't work
+assertEq(test(x), true);
+
+// works
+assertEq(test({}), false);
+assertEq(test(null), false);
+
+reportCompare(true, true);