Fix bug 114491: if (true) function f(){}()

js/rhino/src/org/mozilla/javascript/IRFactory.java

@@ -82,6 +82,11 @@ public class IRFactory {
         return new Node(nodeType, nodeOp);
     }
 
+    public int getLeafType(Object leaf) {
+        Node n = (Node) leaf;
+        return n.getType();
+    }
+
     /**
      * Statement leaf nodes.
      */

js/rhino/src/org/mozilla/javascript/Parser.java

@@ -809,8 +809,12 @@ class Parser {
                     return pn;
                 }
 
-                if (lastExprType == ts.FUNCTION)
+                if (lastExprType == ts.FUNCTION) {
+                    if (nf.getLeafType(pn) != ts.FUNCTION) {
+                        reportError(ts, "msg.syntax");
+                    }
                     nf.setFunctionExpressionStatement(pn);
+                }
 
                 pn = nf.createExprStatement(pn, lineno);