1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/pic/watch4.js b/js/src/jit-test/tests/pic/watch4.js
new file mode 100644
index 000000000..4b640c4df
--- /dev/null
+++ b/js/src/jit-test/tests/pic/watch4.js
@@ -0,0 +1,9 @@
+// adding assignment + watchpoint vs. caching
+var hits = 0;
+var obj = {};
+obj.watch("x", function (id, oldval, newval) { hits++; return newval; });
+for (var i = 0; i < 10; i++) {
+    obj.x = 1;
+    delete obj.x;
+}
+assertEq(hits, 10);