Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 12 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/testNewArrayCount.js b/js/src/jit-test/tests/basic/testNewArrayCount.js
new file mode 100644
index 0000000000..cb7e6d9843
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testNewArrayCount.js
@@ -0,0 +1,12 @@
+function testNewArrayCount()
+{
+  function count(a) { var n = 0; for (var p in a) n++; return n; }
+  var a = [];
+  for (var i = 0; i < 5; i++)
+    a = [0];
+  assertEq(count(a), 1);
+  for (var i = 0; i < 5; i++)
+    a = [0, , 2];
+  assertEq(count(a), 2);
+}
+testNewArrayCount();