Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 15 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/splice-675164.js b/js/src/jit-test/tests/basic/splice-675164.js
new file mode 100644
index 0000000000..10d0d97887
--- /dev/null
+++ b/js/src/jit-test/tests/basic/splice-675164.js
@@ -0,0 +1,15 @@
+function NPList() {}
+NPList.prototype = new Array;
+
+var list = new NPList();
+list.push('a');
+
+var cut = list.splice(0, 1);
+
+assertEq(cut[0], 'a');
+assertEq(cut.length, 1);
+assertEq(list.length, 0);
+
+var desc = Object.getOwnPropertyDescriptor(list, "0");
+assertEq(desc, undefined);
+assertEq("0" in list, false);