1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/initarrayelem-hole-value.js b/js/src/jit-test/tests/debug/initarrayelem-hole-value.js
new file mode 100644
index 0000000000..65629e862c
--- /dev/null
+++ b/js/src/jit-test/tests/debug/initarrayelem-hole-value.js
@@ -0,0 +1,12 @@
+var g = newGlobal({newCompartment: true});
+g.parent = this;
+g.evaluate(`var dbg = new Debugger(parent); dbg.onEnterFrame = function(){};`);
+
+function f() {
+    for (var i = 0; i < 10; i++) {
+        var arr = [1, 2, , i];
+        assertEq(2 in arr, false);
+        assertEq(3 in arr, true);
+    }
+}
+f();