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-rw-r--r--js/src/jit-test/tests/ion/unboxed-objects-invalidate.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/unboxed-objects-invalidate.js b/js/src/jit-test/tests/ion/unboxed-objects-invalidate.js
new file mode 100644
index 0000000000..02e27614fe
--- /dev/null
+++ b/js/src/jit-test/tests/ion/unboxed-objects-invalidate.js
@@ -0,0 +1,16 @@
+
+var a = [];
+for (var i = 0; i < 2000; i++)
+ a.push({f:i});
+
+function f() {
+ var total = 0;
+ for (var i = 0; i < a.length; i++)
+ total += a[i].f;
+ return total;
+}
+assertEq(f(), 1999000);
+
+var sub = Object.create(a[0]);
+
+assertEq(f(), 1999000);