Handle empty COMMA nodes coming from narcissus.

mozilla · Oct 23, 2011 · 17db986 · 17db986
1 parent 8534e16
commit 17db986
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/cfa2/jscfa.js b/lib/cfa2/jscfa.js
@@ -273,8 +273,8 @@ function fixExp(n, funName) {
   }
   else if (nt === HOOK || N_ARY.memq(nt)) {
     // Uncomment this if Narcissus produces empty COMMA nodes.
-    // if (nt === COMMA && ch.length === 0)
-    //   ch.push(new Node(n.tokenizer, {type:TRUE}));
+    if (nt === COMMA && ch.length === 0)
+      ch.push(new Node(n.tokenizer, {type:TRUE}));
     if (nt === ARRAY_INIT) {
       ch.forEach(function(kid, i, ch) {
         if (kid === null) ch[i] = idNode(n.tokenizer, "undefined");