diff -up lua-5.2.3/src/lgc.c.ephemeronfix lua-5.2.3/src/lgc.c
--- lua-5.2.3/src/lgc.c.ephemeronfix 2014-12-10 16:15:14.482402404 -0500
+++ lua-5.2.3/src/lgc.c 2014-12-10 16:15:49.715167635 -0500
@@ -403,7 +403,7 @@ static int traverseephemeron (global_Sta
reallymarkobject(g, gcvalue(gval(n))); /* mark it now */
}
}
- if (prop)
+ if (g->gcstate != GCSatomic || prop)
linktable(h, &g->ephemeron); /* have to propagate again */
else if (hasclears) /* does table have white keys? */
linktable(h, &g->allweak); /* may have to clean white keys */