Automatic toolchain upgrade to nightly-2025-05-19

[github-actions]

Update Rust toolchain from nightly-2025-05-18 to nightly-2025-05-19 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@777d372 up to
rust-lang/rust@4d051fb. The log
for this commit range is:

https://github.com/rust-lang/rust/commit/4d051fb306 Auto merge of #127013 - tgross35:f16-format-parse, r=Mark-Simulacrum

rust-lang/rust@250869e909 float: Add f16 to test-float-parse
rust-lang/rust@977d841869 float: Add tests for f16 conversions to and from decimal
rust-lang/rust@4455c89370 Auto merge of #141232 - fmease:rollup-qr9mobf, r=fmease
rust-lang/rust@50b20b73da Rollup merge of #141218 - dianqk:gvn-overlapping, r=oli-obk
rust-lang/rust@cf3b1b1d92 Rollup merge of #141214 - RalfJung:miri-sync, r=RalfJung
rust-lang/rust@20bd5977ed Rollup merge of #141127 - klensy:windows-bump-61, r=albertlarsan68,jieyouxu
rust-lang/rust@3af0c43f06 Rollup merge of #140926 - azhogin:azhogin/async-drop-coroutine-layout-returns-layout-error, r=oli-obk
rust-lang/rust@4e5b1aa055 Rollup merge of #140746 - dianne:guard-pat-res, r=oli-obk
rust-lang/rust@6f415e0f4c Rollup merge of #140628 - joboet:async_signal_safe, r=Mark-Simulacrum
rust-lang/rust@2f0c6e217f Rollup merge of #140490 - folkertdev:asm-parser-changes, r=Amanieu,traviscross
rust-lang/rust@2f6811eff8 Rollup merge of #138940 - sayantn:stabilize-avx512, r=Amanieu,traviscross
rust-lang/rust@6fc60b8b04 float: Add f16 parsing and printing
rust-lang/rust@b53e5c9db0 Auto merge of #141216 - fmease:rollup-pa5mvx3, r=fmease
rust-lang/rust@f0b8ec1d71 name resolution for guard patterns
rust-lang/rust@d2e5a3d131 gvn: avoid creating overlapping assignments
rust-lang/rust@26e3a5041a add AsmOptions with some named fields
rust-lang/rust@85053d1cd1 rename to get rid of the 'raw' concept
rust-lang/rust@e12d675739 delay error for unsupported options
rust-lang/rust@7ec06fc3b1 attempt to have rustfmt use the new logic
rust-lang/rust@de8e305ba8 a new parser generating the exact same error messages
rust-lang/rust@c7e2e88da0 Rollup merge of #141139 - jieyouxu:fix-rfl, r=Urgau
rust-lang/rust@b89118aed8 Rollup merge of #141132 - bvanjoi:issue-141082, r=fmease
rust-lang/rust@2aff1d6ab4 Rollup merge of #141071 - xizheyin:behind-upstream, r=Urgau
rust-lang/rust@e323c64fa4 Rollup merge of #141045 - dpaoliello:noarmhazard, r=jieyouxu
rust-lang/rust@eb21b252c6 Rollup merge of #140966 - est31:let_chains_library, r=tgross35
rust-lang/rust@5a55870aa1 Rollup merge of #140924 - Urgau:f32_f64_const_tests, r=Mark-Simulacrum
rust-lang/rust@15859331d0 Rollup merge of #140511 - mathisbot:master, r=dtolnay
rust-lang/rust@5592f41a00 Rollup merge of #140113 - Urgau:rustc-book-page-toc, r=ehuss
rust-lang/rust@7205fc537d Auto merge of #141129 - compiler-errors:register-region-obl, r=oli-obk
rust-lang/rust@0abf62f692 Merge pull request #4327 from rust-lang/rustup-2025-05-18
rust-lang/rust@48093fd695 attempt to make doctests work properly with old and new cargo
rust-lang/rust@2898680ebd Remove uses of #[feature(avx512_target_feature)]
rust-lang/rust@cf7caded0b Stabilize avx512_target_feature
rust-lang/rust@84506c64ff fmt
rust-lang/rust@789d1a4fc3 Merge from rustc
rust-lang/rust@4320e6f474 Preparing for merge from rustc
rust-lang/rust@ae3b909a32 Auto merge of #141063 - dianqk:llvm-20.1.5, r=cuviper
rust-lang/rust@ac17c3486c Auto merge of #141039 - lqd:expensive-sanity, r=compiler-errors
rust-lang/rust@16244bc37a Auto merge of #140856 - oli-obk:merge-queries2, r=nnethercote
rust-lang/rust@5af9652e5c extract operand parser
rust-lang/rust@cd22c1b883 determine later whether an explicit reg was used
rust-lang/rust@98cdb829a8 Fast path for register_region_obligation
rust-lang/rust@2dddbd1ecb rustc-dev-guide: fix Rust for Linux rust-lang/rust label
rust-lang/rust@65d381b0cc triagebot: fix Rust for Linux ping group rust-lang/rust label
rust-lang/rust@b3b2153c0b Update triagebot.toml
rust-lang/rust@1adfdb42b9 Use crate:: prefix for root macro suggestions
rust-lang/rust@40940e1294 bootstrap: bump windows too
rust-lang/rust@9cacafdd1a compiler & tools: bump windows crate to dedupe versions
rust-lang/rust@258e880861 Remove #![feature(let_chains)] from library and src/librustdoc
rust-lang/rust@2cdbd69abf disable the stack overflow handler on miri
rust-lang/rust@84d7edd07f Enable [behind-upstream] triagebot option for rust-lang/rust
rust-lang/rust@4cbcb44d70 Cleanup the Javascript and CSS of our custom TOC
rust-lang/rust@72f915aaca Fix flicker when page loads
rust-lang/rust@8fcff8c645 Add per page TOC in the rustc book
rust-lang/rust@c7a2694a80 Update to LLVM 20.1.5
rust-lang/rust@6128fca0b0 [win][arm64] Remove 'Arm64 Hazard' undocumented MSVC option and instead disable problematic test
rust-lang/rust@102cc2f883 move expensive layout sanity check to debug assertions
rust-lang/rust@e011c43bcf Merge mir query analysis invocations
rust-lang/rust@c86e33b771 Run rustc_attrs dumps after typeck
rust-lang/rust@bd587005fb Some require_lang_item -> is_lang_item replacements
rust-lang/rust@ba80d820e5 Return value of coroutine_layout fn changed to Result with LayoutError
rust-lang/rust@9ccabd5390 Make some f32/f64 tests also run in const-context
rust-lang/rust@30a0ac66db delay introducing pattern bindings into scope
rust-lang/rust@3007433e2c add a type alias for the pattern bindings stack
rust-lang/rust@84bb0f07e6 std: stop using TLS in signal handler
rust-lang/rust@e83a0a4bbe Stabilize #![feature(non_null_from_ref)]