diff --git a/js/src/jit-test/tests/basic/testDeepBailInMoreIter.js b/js/src/jit-test/tests/basic/testDeepBailInMoreIter.js
new file mode 100644
index 000000000000..3e6b680402e1
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testDeepBailInMoreIter.js
@@ -0,0 +1,5 @@
+w = (function() { yield })();
+w.next();
+for (var i = 0; i < 100; ++i) {
+    for (v in w) {}
+}
diff --git a/js/src/jstracer.cpp b/js/src/jstracer.cpp
index 3ba68e2e0e54..944a850ffb75 100644
--- a/js/src/jstracer.cpp
+++ b/js/src/jstracer.cpp
@@ -14502,12 +14502,11 @@ TraceRecorder::record_JSOP_MOREITER()
 
         LIns* vp_ins = w.allocp(sizeof(Value));
         LIns* args[] = { vp_ins, iterobj_ins, cx_ins };
-        LIns* ok_ins = w.call(&IteratorMore_ci, args);
+        pendingGuardCondition = w.call(&IteratorMore_ci, args);
 
-        pendingGuardCondition = w.eqi0(ok_ins);
         leaveDeepBailCall();
 
-        cond_ins = w.eqi0(w.eqi0(is_boxed_true(AllocSlotsAddress(vp_ins))));
+        cond_ins = is_boxed_true(AllocSlotsAddress(vp_ins));
     }
 
     stack(0, cond_ins);