I knew defs should work but my command-line was failing me

Author: enebo

core/src/main/java/org/jruby/ir/builder/IRBuilderAST.java

@@ -608,8 +608,9 @@ protected Operand[] buildCallArgsArray(ListNode args, int[] flags) {
     protected Operand[] buildCallArgs(Node args, int[] flags) {
         switch (args.getNodeType()) {
             case DEFNNODE:
+            case DEFSNODE:
                 build(args);
-                return new Operand[] { new Symbol(((DefnNode) args).getName()) };
+                return new Operand[] { new Symbol(((MethodDefNode) args).getName()) };
             case ARGSCATNODE:
             case ARGSPUSHNODE:
                 Operand lhs = build(((TwoValueNode) args).getFirstNode());