1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testIncElem4.js b/js/src/jit-test/tests/basic/testIncElem4.js
new file mode 100644
index 0000000000..a3cec16611
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testIncElem4.js
@@ -0,0 +1,10 @@
+
+var counter = 0;
+var x = { toString: function() { counter++; } };
+var y = {};
+
+for (var i = 0; i < 50; i++)
+  ++y[x];
+
+// :FIXME: bug 672076
+//assertEq(counter, 50);