codegen.c: just raise the exception on broken node for assignments.
@@ -1320,9 +1320,7 @@ gen_assignment(codegen_scope *s, node *tree, int sp, int val)
break;
default:
-#ifndef MRB_NO_STDIO
- fprintf(stderr, "unknown lhs %d\n", type);
-#endif
+ codegen_error(s, "unknown lhs");
break;
}
if (val) push();
