$OpenBSD$

index 152a115..e848ba7 100644
--- js/src/jsobjinlines.h.orig	Fri Feb 20 15:40:37 2015
+++ js/src/jsobjinlines.h	Fri Feb 20 15:40:37 2015
@@ -530,6 +530,10 @@ JSObject::create(js::ExclusiveContext *cx, js::gc::AllocKind kind, js::gc::Initi
     if (span)
         obj->initializeSlotRange(0, span);
 
+    // JSFunction's fixed slots expect POD-style initialization.
+    if (type->clasp()->isJSFunction())
+        memset(obj->fixedSlots(), 0, sizeof(js::HeapSlot) * GetGCKindSlots(kind));
+
     return obj;
 }