1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testExistingPropToJoinedMethodAttempt.js b/js/src/jit-test/tests/basic/testExistingPropToJoinedMethodAttempt.js
new file mode 100644
index 0000000000..0faafe2f4b
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testExistingPropToJoinedMethodAttempt.js
@@ -0,0 +1,10 @@
+function f() {
+    var a = [], i, N = 10;
+    for (i = 0; i < N; i++)
+        a[i] = {m: i};
+    for (i = 0; i < N; i++)
+        a[i].m = function() { return 0; };
+    assertEq(a[N - 2].m === a[N - 1].m, false);
+}
+f();
+f();