> Date: Wed, 16 Oct 2024 17:12:29 +0000 (UTC) > From: Joseph Myers via Gcc <gcc@gcc.gnu.org> > > One issue that showed up as test failures with a default of -std=gnu23 is > that -std=gnu23 -Wtraditional produces a "traditional C rejects ISO C > style function definitions" warning for function definitions with empty > parentheses, as they are treated like (void) in C23, so resulting in > failure of several -Wtraditional tests. > > Clearly that's a bug (that warning should only be given for literal > (void), not for () meaning (void)) and wouldn't be hard to fix. But is > there actually any current use for the -Wtraditional option? It seems > extremely unlikely now that compatibility with pre-C89 compilers would be > relevant. So maybe it would make more sense to remove -Wtraditional > support (remove all the logic implementing the option, make it an option > marked with Ignore in c.opt to do nothing so as not to break any build > systems that hardcode this option) rather than fixing this bug with an > option that's probably no longer useful.
Please don't remove the support for -Wtraditional if it's easy to fix. Removing it runs risk of breaking someone's program, so unless keeping it is a real dumper on GCC development, I hope you will keep it.
