frontend/define.c, ntharg(), #11/15 `args' can't be NULL here

src/frontend/define.c

@@ -412,11 +412,11 @@ ntharg(int num, struct pnode *args)
             if (!args)
                 return NULL;
             if (--num <= 0) {
-                if (args && args->pn_op && (args->pn_op->op_num == PT_OP_COMMA))
+                if (args->pn_op && (args->pn_op->op_num == PT_OP_COMMA))
                     return args->pn_left;
                 return args;
             }
-            if (args && args->pn_op && (args->pn_op->op_num != PT_OP_COMMA)) {
+            if (args->pn_op && (args->pn_op->op_num != PT_OP_COMMA)) {
                 if (num <= 1)
                     return args;
                 return NULL;