On 19 October 2016 at 00:20, Justin Bogner <m...@justinbogner.com> wrote:
> Pavel Labath <lab...@google.com> writes:
>> Thanks for the patch. Could you submit the patch through phabricator
>> <https://reviews.llvm.org> and add Greg Clayton as a reviewer.
>
> Maybe later. I don't have time to fight with phabricator today.
>
>> That said, my preference would be to actually fix those warnings
>> instead of silencing them.
>
> If you think that's best, but do note that neither of these warnings is
> flagging much of a problem:
>
> - The four-character-literal warning is flagging implementation defined
>   behaviour four spelling a 32 bit hex constant in ascii instead of
>   something like 0x46445343. This is a portability vs readability thing,
>   and pretty minor.

Agreed, but it also is pretty easily workaroundable without hurting
readability by defining a symbolic constant.

>
> - The format-pedantic is warning about passing typed pointers to a %p
>   format specifier. The "fix" is to cast these arguments to `void *`,
>   which IMO hurts readability for no gain. I'm pretty sure this warning
>   only exists to preserve portability to some hypothetical ABI whose
>   calling convention depends on the type of the pointer.

This one actually annoys me as well, but if we do that, I think it
should be done at the project level. BTW, does the flag disable
anything else apart from the void *-cast issue. I'd hate to lose other
checks, as it's extremely easy to write non-portable format strings.
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