Re: gcc build failure

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

On Wed, Jul 18, 2018 at 04:35:03PM +0100, Patrick Welche wrote:
> /usr/src/external/gpl3/gcc/dist/gcc/combine.c: In function 'int combine_instruct
> ions(rtx_insn*, unsigned int)':
> /usr/src/external/gpl3/gcc/dist/gcc/combine.c:1310:8: error: 'prev' may be used
> uninitialized in this function [-Werror=maybe-uninitialized]
>         if ((next = try_combine (insn, prev, NULL, NULL,
>         ^~

When I was debugging the p11-kit issue, I had set -O0 - with -O2 the
warning disappears...


Cheers,

Patrick