From a226fb4cc7758e7ccbe308b69eeca64c68438788 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 15 Mar 2011 14:56:42 +0100
Subject: [PATCH] FFI: Force snapshot after C call to preserve semantics.

---
 src/lj_crecord.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lj_crecord.c b/src/lj_crecord.c
index 9482cc18..0c4f5ca4 100644
--- a/src/lj_crecord.c
+++ b/src/lj_crecord.c
@@ -730,6 +730,7 @@ static int crec_call(jit_State *J, RecordFFData *rd, GCcdata *cd)
       tr = emitir(IRTG(IR_CNEWI, IRT_CDATA), trid, tr);
     }
     J->base[0] = tr;
+    J->needsnap = 1;
     return 1;
   }
   return 0;