Re: MIPS + clang-11 + allnoconfig / tinyconfig builds failed

[Maciej W. Rozycki]

On Wed, 25 Nov 2020, Naresh Kamboju wrote:

> /builds/1kl9SVppm6wRdzlQ3UcQKIBaUrx/arch/mips/lib/uncached.c:45:6:
> warning: variable 'sp' is uninitialized when used here
> [-Wuninitialized]
>         if (sp >= (long)CKSEG0 && sp < (long)CKSEG2)
>             ^~
> /builds/1kl9SVppm6wRdzlQ3UcQKIBaUrx/arch/mips/lib/uncached.c:40:18:
> note: initialize the variable 'sp' to silence this warning
>         register long sp __asm__("$sp");
>                         ^
>                          = 0

 FWIW this looks like a compiler bug to me, because $sp, by definition, is 
always initialised.  I suggest that you report it to Clang developers 
instead.

  Maciej