From a2abf2e09814f496fdffe444bb8fcd9c25d4b277 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Fri, 31 Jan 2014 20:44:27 +0100
Subject: [PATCH] Don't start a trace on side exit to non-Lua function.

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

diff --git a/src/lj_trace.c b/src/lj_trace.c
index b4b3fc26..7bb6c8ae 100644
--- a/src/lj_trace.c
+++ b/src/lj_trace.c
@@ -682,6 +682,7 @@ static void trace_hotside(jit_State *J, const BCIns *pc)
 {
   SnapShot *snap = &traceref(J, J->parent)->snap[J->exitno];
   if (!(J2G(J)->hookmask & (HOOK_GC|HOOK_VMEVENT)) &&
+      isluafunc(curr_func(J->L)) &&
       snap->count != SNAPCOUNT_DONE &&
       ++snap->count >= J->param[JIT_P_hotexit]) {
     lua_assert(J->state == LJ_TRACE_IDLE);