[Bug 292101] lang/rust: Mismatch between used versions of LLVM

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292101

            Bug ID: 292101
           Summary: lang/rust: Mismatch between used versions of LLVM
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: rust@FreeBSD.org
          Reporter: diizzy@FreeBSD.org
                CC: mikael@FreeBSD.org, pkubaj@FreeBSD.org
             Flags: maintainer-feedback?(rust@FreeBSD.org)
          Assignee: rust@FreeBSD.org

Hi,

Trying to compile devel/gitoxide with LTO_UNSAFE enabled causes following
error.

  = note: ld: error:
/usr/ports/devel/gitoxide/work/target/release/deps/libgitoxide-6a6cdd6b8580ab88.rlib(gitoxide-6a6cdd6b8580ab88.gitoxide.7d0a3410c478f3b9-cgu.00.rcgu.o):
Unknown attribute kind (102) (Producer: 'LLVM21.1.3-rust-1.92.0-stable' Reader:
'LLVM 19.1.7')

It succeeds with CARGO_PROFILE_RELEASE_PANIC="abort" however upstreams
recommends using unwind instead.
https://github.com/GitoxideLabs/gitoxide/blob/main/Cargo.toml#L200

I can't find any obvious reason why different versions of llvm is being used at
a quick glance.

Searching a bit I found this error report
https://github.com/rust-lang/rust/issues/145981 but it appears to be merged?

Best regards,
Daniel

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