add spec.

1 files changed, 7 insertions, 0 deletions

diff --git a/spec/outputs/syntax.lua b/spec/outputs/syntax.lua
index 8d41f7d..990083f 100644
--- a/spec/outputs/syntax.lua
+++ b/spec/outputs/syntax.lua
@@ -407,4 +407,11 @@ do
         local _3, _4
         _1, _2, _3, _4 = 1, f(2, 3, f(4, 4))
 end
+do
+        f = function(a, b)
+                return a + b
+        end
+        f(a, b)
+        f()
+end
 return nil