On Tue, Dec 12, 2023 at 4:51 PM Alex Kiernan via
lists.openembedded.org <alex.kiernan=gmail....@lists.openembedded.org>
wrote:
>
> On Tue, Dec 12, 2023 at 4:27 PM Randy MacLeod via
> lists.openembedded.org
> <randy.macleod=windriver....@lists.openembedded.org> wrote:
> >
> > On 2023-12-12 11:25 a.m., Randy MacLeod wrote:
> >
> > On 2023-12-12 5:41 a.m., Alex Kiernan via lists.openembedded.org wrote:
> >
> > On Sat, Dec 9, 2023 at 2:06 PM Alex Kiernan via lists.openembedded.org
> > <alex.kiernan=gmail....@lists.openembedded.org> wrote:
> >
> > On Sat, Dec 9, 2023 at 12:18 PM Alexandre Belloni
> > <alexandre.bell...@bootlin.com> wrote:
> >
> > Hello Alex,
> >
> > rust 1.74.0 is not reproducible:
> > https://autobuilder.yocto.io/pub/repro-fail/oe-reproducible-20231208-rfbproj4/packages/diff-html/
> >
> > Thanks, I think :)
> >
> > One observation, which might be useful, these failures are all inside
> > the same module src/llvm-project/compiler-rt/lib/builtins which are
> > just a bunch of intrinsics. And as far as I can see it looks like it's
> > just the object name mangling that's not reproducible.
> >
> > FYI:
> >
> > In the weekly YP tech call, we talked about Rust and Richard said that he'd 
> > merge
> > 1.71 to master since it's progress and it unblocks some ptest works that 
> > Tim was working on.
> >
> > We can then just jump directly from 1.71 to 1.74 if ( when! ) we can make 
> > that reproducible.
> >
> > Or even  to rust-1.74.1:
> >
> >    https://blog.rust-lang.org/2023/12/07/Rust-1.74.1.html
> >
>
> Yeah, I did 1.74.1 earlier today
> (https://github.com/akiernan/poky/commit/f408e74e37ac8cd6d0e4d9715317f69a039ad50f)
> - can post a patch for that if we want to give it a whirl? There's
> definitely some reproducibility fixes in there (e.g.
> https://github.com/rust-lang/rust/issues/112586) but I'm not convinced
> any of them are what we're seeing (which appear to really be in pieces
> of LLVM).
>

I just realised that because we now have two consecutive versions,
diffing the 1.71.1...1.72.0 trees was feasible... for the llvm-project
submodule, the changes are tiny (10 files, mostly RISCV specific or
tests, nothing that looks even slightly like the issue we're seeing).
So I suspect wherever the problem comes from its not actually inside
here.

-- 
Alex Kiernan
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