Compile performance of Linux kernels in mainline gcc

[Andi Kleen]

> is definitely *not* a problem I have seen before.  Unless someone
> knows better, I recommend you file a PR (with a reduced test case if
> possible).  The diagnostic GCC was trying to issue is probably

It happens with any warning that contains a function name.
Should be easy to reproduce.

>  warning: pointer targets in passing argument %d of %s differ in signedness
> 
> where %d is the argument number and %s is the function name.  In the
> context of kernel programming this is *probably* harmless.
> 
> I have a suspicion as to what is causing the garbage, and therefore I
> suggest that you try to reproduce the problem with LANG=C and LC_ALL=C
> in the environment.  Do file a PR whether or not it goes away, though.

LANG=C makes the garbage go away. Thanks.  It's PR18229 now.

-Andi