Toolchain upgrade to nightly-2023-12-12 failed

[github-actions]

Updating Rust toolchain from nightly-2023-12-11 to nightly-2023-12-12 requires source changes.
The failed automated run can be found here.
Please review the changes at https://github.com/rust-lang/rust from rust-lang/rust@d86d65b up to rust-lang/rust@21cce21. The log for this commit range is:
rust-lang/rust@21cce21d8c Auto merge of #118838 - matthiaskrgr:rollup-8kwzpho, r=matthiaskrgr
rust-lang/rust@1cf538b0b1 Rollup merge of #118835 - Urgau:fix-rccg-gcc-tests, r=matthiaskrgr
rust-lang/rust@06d2c2a3b2 Rollup merge of #118827 - Nilstrieb:linker-plugin-lto, r=ehuss
rust-lang/rust@4114a83735 Rollup merge of #118826 - Nilstrieb:no-email-pls, r=davidtwco
rust-lang/rust@dd0887c75c Rollup merge of #118822 - Nadrieril:librarify, r=compiler-errors
rust-lang/rust@dadecea9f1 Rollup merge of #118818 - krasimirgg:llvm-18-pass, r=nikic
rust-lang/rust@3a0562b93c Rollup merge of #118726 - dtolnay:matchguardlet, r=compiler-errors
rust-lang/rust@ea82b110fe Rollup merge of #118647 - onur-ozkan:bootstrap-shims-dump, r=clubby789
rust-lang/rust@670ba478de Rollup merge of #118620 - petrochenkov:defeed2, r=compiler-errors
rust-lang/rust@b1bfeb1cdf Fix rustc codegen gcc tests
rust-lang/rust@57010939ed Auto merge of #118344 - saethlin:rmeta-header-pos, r=WaffleLapkin
rust-lang/rust@8a3765582c Auto merge of #117758 - Urgau:lint_pointer_trait_comparisons, r=davidtwco
rust-lang/rust@d94e3e300d Update table for linker-plugin-lto docs
rust-lang/rust@072cf5fc51 Edit target doc template to remove email
rust-lang/rust@ff2c56344c Auto merge of #118823 - GuillaumeGomez:rollup-6v51gxv, r=GuillaumeGomez
rust-lang/rust@43714edb6f Fix doc links
rust-lang/rust@2de3cf8d6b sort dump files at the end of bootstrap
rust-lang/rust@9eeb265f7c update auto completions
rust-lang/rust@f2feed1095 Dump command invocations from bootstrap shims
rust-lang/rust@c89672e148 Rollup merge of #118812 - notriddle:notriddle/assoc-name-intern, r=GuillaumeGomez
rust-lang/rust@f712d73108 Rollup merge of #118807 - SUPERCILEX:allo, r=the8472
rust-lang/rust@54d6bded30 Rollup merge of #118802 - ehuss:remove-edition-preview, r=TaKO8Ki
rust-lang/rust@6f40082313 Auto merge of #118661 - fee1-dead-contrib:restore-const-partialEq, r=compiler-errors
rust-lang/rust@79806f1e46 Include the new crate in triagebot pings
rust-lang/rust@5d6c539c2d Fix item visibilities
rust-lang/rust@de3f983bcd Make MaybeInfiniteInt rustc-independent
rust-lang/rust@24adca0a26 Move lints to their own module
rust-lang/rust@3691a0aee5 Gather rustc-specific functions around MatchCheckCtxt
rust-lang/rust@281002d42c Extract exhaustiveness into its own crate
rust-lang/rust@a0c5079889 llvm-wrapper: adapt for LLVM API change
rust-lang/rust@8b1ba11cb1 Auto merge of #117116 - calebzulawski:repr-simd-packed, r=workingjubilee
rust-lang/rust@c13187c998 Auto merge of #118494 - nnethercote:default_configuration-fill_well_known, r=Mark-Simulacrum
rust-lang/rust@79bdd24d6e Apply suggestions from code review
rust-lang/rust@e299752868 Auto merge of #118032 - RalfJung:char-u32, r=Mark-Simulacrum
rust-lang/rust@7162cb9550 rustdoc-search: fix fast path unboxing bindings
rust-lang/rust@1cb200cfeb Auto merge of #118810 - Kobzol:revert-mcp-510-bootstrap, r=nnethercote
rust-lang/rust@a9cb8ee821 Auto merge of #114571 - nnethercote:improve-print_tts, r=petrochenkov
rust-lang/rust@92b84f849a rustdoc-search: do not treat associated type names as types
rust-lang/rust@22b534de4f Rearrange default_configuration and CheckCfg::fill_well_known.
rust-lang/rust@940c885bc4 Add a few cases with wonky formatting to stringify.rs test.
rust-lang/rust@4cfdbd328b Add spacing information to delimiters.
rust-lang/rust@3157f2121e Revert "Use MCP510"
rust-lang/rust@925f7fad57 Improve print_tts by changing tokenstream::Spacing.
rust-lang/rust@af8dfde7f9 Remove an allocation in min_stack
rust-lang/rust@f481596ee4 Remove edition umbrella features.
rust-lang/rust@aa00baeba4 Remove codegen test that depends on optimizations
rust-lang/rust@c4c35551d8 fix clippy
rust-lang/rust@de8f4acbf7 clean up leftover FIXME
rust-lang/rust@d464dd07ed fix tests
rust-lang/rust@d1f4bc5a19 Revert "Don't print host effect param in pretty path_generic_args"
rust-lang/rust@2f457d9d60 filter out trailing effect param in own_args_no_defaults
rust-lang/rust@e03c18b1b3 fix host param for PartialEq
rust-lang/rust@f635cd2e82 Restore const PartialEq
rust-lang/rust@8997215a24 Fix tidy ```ignore error
rust-lang/rust@6f1d7631fb Do not parenthesize exterior struct lit inside match guards
rust-lang/rust@7f314acc34 Delete special handling of some expr kinds from print_let
rust-lang/rust@dc5ec724c0 Rearrange logic of needs_par computation in print_let
rust-lang/rust@8d64961589 Inline cond_needs_par into print_let
rust-lang/rust@d2b7bd4774 Inline npals closure
rust-lang/rust@419b26931b Add if_let_guard and let_chains pretty printer tests
rust-lang/rust@5e1bfb538f Adjust tests for newly added ambiguous_wide_pointer_comparisons lint
rust-lang/rust@30c7b18d25 Allow ambiguous_wide_pointer_comparisons lint for std methods
rust-lang/rust@6856a86808 Drop clippy::vtable_address_comparisons
rust-lang/rust@5630540ac0 Add warn-by-default lint against ambiguous wide pointer comparisons
rust-lang/rust@fb9ca0ffe5 resolve: Use def_kind query to cleanup some code
rust-lang/rust@c623489b9b Add codegen test
rust-lang/rust@20413b1947 Add test using non-power-of-two vector
rust-lang/rust@329412dad3 Implement repr(packed) for repr(simd)
rust-lang/rust@26cbb10a5c Add diagnostic item to PartialEq::{eq,ne}
rust-lang/rust@b94cfefc86 Use a u64 for the rmeta root position
rust-lang/rust@b4f3f2aeac guarantee that char and u32 are ABI-compatible

[celinval]

The PR #2938 included the fix for this issue.