Fix interaction between profiler hooks and finalizers.

Thanks to Julien Desgats.

src/lj_gc.c

@@ -466,6 +466,7 @@ static void gc_call_finalizer(global_State *g, lua_State *L,
   TValue *top;
   lj_trace_abort(g);
   hook_entergc(g);  /* Disable hooks and new traces during __gc. */
+  if (LJ_HASPROFILE && (oldh & HOOK_PROFILE)) lj_dispatch_update(g);
   g->gc.threshold = LJ_MAX_MEM;  /* Prevent GC steps. */
   top = L->top;
   copyTV(L, top++, mo);
@@ -474,6 +475,7 @@ static void gc_call_finalizer(global_State *g, lua_State *L,
   L->top = top+1;
   errcode = lj_vm_pcall(L, top, 1+0, -1);  /* Stack: |mo|o| -> | */
   hook_restore(g, oldh);
+  if (LJ_HASPROFILE && (oldh & HOOK_PROFILE)) lj_dispatch_update(g);
   g->gc.threshold = oldt;  /* Restore GC threshold. */
   if (errcode)
     lj_err_throw(L, errcode);  /* Propagate errors. */