1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/class/compProp.js b/js/src/jit-test/tests/class/compProp.js
new file mode 100644
index 000000000..f98727c71
--- /dev/null
+++ b/js/src/jit-test/tests/class/compProp.js
@@ -0,0 +1,15 @@
+load(libdir + "asserts.js");
+
+function f(tag) { return {[tag]: 1}; }
+a = [];
+for (var i = 0; i < 2000; i++)
+    a[i] = f("first");
+
+for (var i = 0; i < 2000; i++)
+    assertEq(a[i].first, 1);
+
+for (var i = 0; i < 2000; i++)
+    a[i] = f("second");
+
+for (var i = 0; i < 2000; i++)
+    assertEq(a[i].second, 1);