> However, it was pointed out to me that apparently there is a policy > or convention of not backporting to release branches bug fixes that > cause GCC to reject code that was previously accepted, even if the > code is invalid.
It's more of a judgment call I'd say, if the accept-invalid leads to wrong code in all cases, then you want to plug the hole; if it's benign in almost all cases, then it's a different discussion. -- Eric Botcazou
