rust-1.76.0: build fails, bootstrap issue (aarch64)

Hello all,

Could anyone do a rust-1.76.0 build on aarch64?

It seems that it can't bootstrap.
Following error log is from current 81dc3a4 (yesterday).

I also waiting from result from 14.0 on same osversion (poudriere).

===>  Building for rust-1.76.0
Building bootstrap
running: /wrkdirs/usr/ports/lang/rust/w
ork/bootstrap/bin/cargo build
--manifest-path
/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/src/bootstrap/Cargo.toml
--verbose --verbose --frozen
error: failed to run `rustc` to learn about target-specific information

Caused by:
  process didn't exit successfully:
`/wrkdirs/usr/ports/lang/rust/work/bootstrap/bin/rustc - --crate-name
___ --print=file-names -C linker=cc -Wrust_2018_idioms
-Wunused_lifetimes --crate-type bin --crate-type rlib --crate-type
dylib --crate-type cdylib --crate-type staticlib --crate-type
proc-macro --print=sysroot --print=split-debuginfo --print=crate-name
--print=cfg` (exit status: 1)
  --- stderr
  rustc -Cllvm-args="..." with: Unknown command line argument
'-generate-arange-section'.  Try: 'rustc -Cllvm-args="..." with
--help'
  rustc -Cllvm-args="..." with: Did you mean '--print-all-options'?
  rustc -Cllvm-args="..." with: Unknown command line argument
'-mergefunc-use-aliases'.  Try: 'rustc -Cllvm-args="..." with --help'
  rustc -Cllvm-args="..." with: Did you mean '--rng-seed'?
  rustc -Cllvm-args="..." with: Unknown command line argument
'-preserve-alignment-assumptions-during-inlining=false'.  Try: 'rustc
-Cllvm-args="..." with --help'
  rustc -Cllvm-args="..." with: Did you mean '--print-all-options=false'?
  rustc -Cllvm-args="..." with: Unknown command line argument
'-import-cold-multiplier=0.1'.  Try: 'rustc -Cllvm-args="..." with
--help'
  rustc -Cllvm-args="..." with: Did you mean '--sort-timers=0.1'?
Traceback (most recent call last):
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/x.py", line
50, in <module>
    bootstrap.main()
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/src/bootstrap/bootstrap.py",
line 1125, in main
    bootstrap(args)
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/src/bootstrap/bootstrap.py",
line 1092, in bootstrap
    build.build_bootstrap()
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/src/bootstrap/bootstrap.py",
line 880, in build_bootstrap
    run(args, env=env, verbose=self.verbose, cwd=self.rust_root)
  File "/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/src/bootstrap/bootstrap.py",
line 187, in run
    raise RuntimeError(err)
RuntimeError: failed to run:
/wrkdirs/usr/ports/lang/rust/work/bootstrap/bin/cargo build
--manifest-path
/wrkdirs/usr/ports/lang/rust/work/rustc-1.76.0-src/src/bootstrap/Cargo.toml
--verbose --verbose --frozen
*** Error code 1

Thanks,

-- 
Nuno Teixeira
FreeBSD Committer (ports)