Automatic toolchain upgrade to nightly-2025-11-27

[github-actions]

Update Rust toolchain from nightly-2025-11-26 to nightly-2025-11-27 without any other source changes.

[github-actions]

This is an automatically generated pull request. If any of the CI checks fail,
manual intervention is required. In such a case, review the changes at
https://github.com/rust-lang/rust from
rust-lang/rust@80d8f29 up to
rust-lang/rust@1be6b13. The log
for this commit range is:

https://github.com/rust-lang/rust/commit/1be6b13be7 Auto merge of #149079 - zachs18:clone_from_ref, r=Mark-Simulacrum

rust-lang/rust@99ca3fc4ec Auto merge of #149351 - Zalathar:rollup-ee06zha, r=Zalathar
rust-lang/rust@4a05348377 Rollup merge of #149341 - Jarcho:ast_copy, r=chenyukang
rust-lang/rust@25a861a21a Rollup merge of #149326 - JonathanBrouwer:remove_clone, r=lcnr
rust-lang/rust@a57d7539cb Rollup merge of #149317 - bjorn3:has_ffi_unwind_calls_inline_asm, r=petrochenkov
rust-lang/rust@3d404d0e9e Rollup merge of #149312 - mati865:push-uxlynzmxzswo, r=wesleywiser
rust-lang/rust@aa98135ace Rollup merge of #149307 - lapla-cogito:deny_const_auto_trait, r=fmease
rust-lang/rust@3b531a18b5 Rollup merge of #149173 - bjorn3:target_spec_rust_features, r=RalfJung
rust-lang/rust@eb7e317e05 Rollup merge of #149149 - yotamofek:wip/rustdoc/search_index/misc-cleanups, r=GuillaumeGomez
rust-lang/rust@da2d7583b2 Rollup merge of #148951 - maurer:remove-tme, r=folkertdev
rust-lang/rust@e636017e7b Rollup merge of #148751 - mati865:gnullvm-windows-host, r=marcoieni
rust-lang/rust@d1b9331a76 Rollup merge of #148452 - Fulgen301:pdb-large-symbols-v0, r=jackh726
rust-lang/rust@2ddaf4219e Rollup merge of #148358 - makai410:rpub-test-fix, r=celinval
rust-lang/rust@2b150f2c65 Rollup merge of #147936 - Sa4dUs:offload-intrinsic, r=ZuseZ4
rust-lang/rust@c797096598 Auto merge of #149140 - oli-obk:more-encoder-minimization, r=jdonszelmann
rust-lang/rust@2a34631ab6 simplify_fn_type can only ever return 0 or 1 types, doesn't need to take &mut Vec
rust-lang/rust@b976f64768 collect into vectors
rust-lang/rust@25b720755e Extract common functionality into closure Also, use Vec::resize instead of individual pushes
rust-lang/rust@51866db456 Pre-ensure size of vectors when performing union, instead of pushing default elements one by one
rust-lang/rust@87b5802ef5 Small cleanups
rust-lang/rust@ab87304310 map_fn_sig_item doesn't need a mutable reference
rust-lang/rust@6840234806 Auto merge of #147799 - Enselic:slash-slash-at-debuginfo-tests, r=saethlin
rust-lang/rust@c87bebd553 Add Copy to some AST enums.
rust-lang/rust@d8a7534127 Auto merge of #149330 - weihanglo:update-cargo, r=weihanglo