[PING] [PATCH] Fix -Wattribute-alias option

[Bernd Edlinger]

Hi,

I'd like to ping for this patch: https://gcc.gnu.org/ml/gcc-patches/2019-01/msg01120.html

This patch would be needed to avoid a rather ugly workaround for the the issue
in the linux-tree.


Thanks
Bernd.

On 1/19/19 11:06 AM, Bernd Edlinger wrote:
> Hi,
> 
> the command line option -Wattribute-alias (w/o the "=1") is currently broken,
> and only -Wno-attribute-alias is still working, but what is worse, is that
> the #pragma GCC diagnostic fails to recognize the string "-Wattribute-alias",
> as it used to do in gcc-8, which breaks the linux warning suppression macro
> because it relies on a _Pragma to work.
> 
> Fixed by declaring -Wattribute-alias as an alias to -Wattribute-alias=1
> and the negated form as an alias to -Wattribute-alias=0.
> 
> Bootstrapped and reg-tested on x86_64-pc-linux-gnu.
> Is it OK for trunk?
> 
> Additionally I looked into the linux 4.20 build, got a couple "-Wmissing-attributes"
> which seem easy to fix (by adding the cold attribute) and quite a lot
> "-Waddress-of-packed-member" warnings, which I don't know how to fix properly.
> 
> 
> Thanks
> Bernd.
>