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add s390x-unknown-linux-musl target #82166

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merged 3 commits into from
Feb 23, 2021
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kaniini
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@kaniini kaniini commented Feb 16, 2021

This is the first step in bringup for Rust on s390x.

The libc and std crates need modifications as well, but getting this upstream makes that work easier.

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Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @oli-obk (or someone else) soon.

If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes.

Please see the contribution instructions for more information.

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Feb 16, 2021
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@jyn514 jyn514 added A-target-specs Area: Compile-target specifications T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Feb 16, 2021
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oli-obk commented Feb 17, 2021

r? @jyn514

@rust-highfive rust-highfive assigned jyn514 and unassigned oli-obk Feb 17, 2021
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jyn514 commented Feb 18, 2021

I've never added a target or even cross-compiled before, I don't think I should be the reviewer.

r? @nagisa maybe?

@rust-highfive rust-highfive assigned nagisa and unassigned jyn514 Feb 18, 2021
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bors commented Feb 18, 2021

☔ The latest upstream changes (presumably #82249) made this pull request unmergeable. Please resolve the merge conflicts.

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r=me once the checkboxes from the documentation are removed.

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jyn514 commented Feb 19, 2021

@kaniini this has merge conflicts. Looks fine otherwise though :)

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kaniini commented Feb 19, 2021

This has been rebased.

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jyn514 commented Feb 19, 2021

@bors r=nagisa

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bors commented Feb 19, 2021

📌 Commit 62ee3ec has been approved by nagisa

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 19, 2021
Dylan-DPC-zz pushed a commit to Dylan-DPC-zz/rust that referenced this pull request Feb 20, 2021
add s390x-unknown-linux-musl target

This is the first step in bringup for Rust on s390x.

The libc and std crates need modifications as well, but getting this upstream makes that work easier.
bors added a commit to rust-lang-ci/rust that referenced this pull request Feb 23, 2021
Rollup of 12 pull requests

Successful merges:

 - rust-lang#79423 (Enable smart punctuation)
 - rust-lang#81154 (Improve design of `assert_len`)
 - rust-lang#81235 (Improve suggestion for tuple struct pattern matching errors.)
 - rust-lang#81769 (Suggest `return`ing tail expressions that match return type)
 - rust-lang#81837 (Slight perf improvement on char::to_ascii_lowercase)
 - rust-lang#81969 (Avoid `cfg_if` in `std::os`)
 - rust-lang#81984 (Make WASI's `hard_link` behavior match other platforms.)
 - rust-lang#82091 (use PlaceRef abstractions more consistently)
 - rust-lang#82128 (add diagnostic items for OsString/PathBuf/Owned as well as to_vec on slice)
 - rust-lang#82166 (add s390x-unknown-linux-musl target)
 - rust-lang#82234 (Remove query parameters when skipping search results)
 - rust-lang#82255 (Make `treat_err_as_bug` Option<NonZeroUsize>)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 8979fd4 into rust-lang:master Feb 23, 2021
@rustbot rustbot added this to the 1.52.0 milestone Feb 23, 2021
@kaniini kaniini deleted the s390x-musl-target branch February 26, 2021 15:45
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messense commented May 8, 2021

Getting the following error when try to use this target with cargo build-std feature

running: "s390x-unknown-linux-musl-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-I" "../../src/llvm-project/libunwind/include" "-std=c99" "-std=c++11" "-nostdinc++" "-fno-exceptions" "-fno-rtti" "-fstrict-aliasing" "-funwind-tables" "-fvisibility=hidden" "-D_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS" "-o" "/io/tests/target/s390x-unknown-linux-musl/debug/build/unwind-fe58df189b7622b8/out/../../src/llvm-project/libunwind/src/libunwind.o" "-c" "../../src/llvm-project/libunwind/src/libunwind.cpp"
  cargo:warning=cc1plus: warning: command line option '-std=c99' is valid for C/ObjC but not for C++
  cargo:warning=../../src/llvm-project/libunwind/src/libunwind.cpp:68:3: error: #error Architecture not supported
  cargo:warning=   68 | # error Architecture not supported
  cargo:warning=      |   ^~~~~
  cargo:warning=../../src/llvm-project/libunwind/src/libunwind.cpp: In function 'int __unw_init_local(unw_cursor_t*, unw_context_t*)':
  cargo:warning=../../src/llvm-project/libunwind/src/libunwind.cpp:71:57: error: 'REGISTER_KIND' was not declared in this scope
  cargo:warning=   71 |   new (reinterpret_cast<UnwindCursor<LocalAddressSpace, REGISTER_KIND> *>(cursor))
  cargo:warning=      |                                                         ^~~~~~~~~~~~~
  cargo:warning=../../src/llvm-project/libunwind/src/libunwind.cpp:71:70: error: template argument 2 is invalid
  cargo:warning=   71 |   new (reinterpret_cast<UnwindCursor<LocalAddressSpace, REGISTER_KIND> *>(cursor))
  cargo:warning=      |                                                                      ^
  cargo:warning=../../src/llvm-project/libunwind/src/libunwind.cpp:71:8: error: expected type-specifier before 'reinterpret_cast'
  cargo:warning=   71 |   new (reinterpret_cast<UnwindCursor<LocalAddressSpace, REGISTER_KIND> *>(cursor))
  cargo:warning=      |        ^~~~~~~~~~~~~~~~
  cargo:warning=../../src/llvm-project/libunwind/src/libunwind.cpp:71:8: error: expected ')' before 'reinterpret_cast'
  cargo:warning=   71 |   new (reinterpret_cast<UnwindCursor<LocalAddressSpace, REGISTER_KIND> *>(cursor))
  cargo:warning=      |       ~^~~~~~~~~~~~~~~~
  cargo:warning=      |        )
  exit status: 1

  --- stderr


  error occurred: Command "s390x-unknown-linux-musl-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-I" "../../src/llvm-project/libunwind/include" "-std=c99" "-std=c++11" "-nostdinc++" "-fno-exceptions" "-fno-rtti" "-fstrict-aliasing" "-funwind-tables" "-fvisibility=hidden" "-D_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS" "-o" "/io/tests/target/s390x-unknown-linux-musl/debug/build/unwind-fe58df189b7622b8/out/../../src/llvm-project/libunwind/src/libunwind.o" "-c" "../../src/llvm-project/libunwind/src/libunwind.cpp" with args "s390x-unknown-linux-musl-gcc" did not execute successfully (status code exit status: 1).

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kaniini commented May 8, 2021

Yeah, we need to add s390x support to llvm's libunwind still. I'll uhh, work on this soon.

wip-sync pushed a commit to NetBSD/pkgsrc-wip that referenced this pull request May 9, 2021
Package changes:
 * bump bootstraps to 1.51.0.
 * adjust patches and cargo checksums as required
 * 1.51 failed to build natively on 32-bit armv7, there is hope
   that this is fixed with 1.52.  (1.51 can be built with netbsd32
   emulation on a aarch64 system).

Upsteream changes:

Version 1.52.0 (2021-05-06)
============================

Language
--------
- [Added the `unsafe_op_in_unsafe_fn` lint, which checks whether the unsafe
  code in an `unsafe fn` is wrapped in a `unsafe` block.][79208] This lint
  is allowed by default, and may become a warning or hard error in a
  future edition.
- [You can now cast mutable references to arrays to a pointer of the same
  type as the element.][81479]

Compiler
--------
- [Upgraded the default LLVM to LLVM 12.][81451]

Added tier 3\* support for the following targets.

- [`s390x-unknown-linux-musl`][82166]
- [`riscv32gc-unknown-linux-musl` & `riscv64gc-unknown-linux-musl`][82202]
- [`powerpc-unknown-openbsd`][82733]

\* Refer to Rust's [platform support page][platform-support-doc] for more
information on Rust's tiered platform support.

Libraries
---------
- [`OsString` now implements `Extend` and `FromIterator`.][82121]
- [`cmp::Reverse` now has `#[repr(transparent)]` representation.][81879]
- [`Arc<impl Error>` now implements `error::Error`.][80553]
- [All integer division and remainder operations are now `const`.][80962]

Stabilised APIs
-------------
- [`Arguments::as_str`]
- [`char::MAX`]
- [`char::REPLACEMENT_CHARACTER`]
- [`char::UNICODE_VERSION`]
- [`char::decode_utf16`]
- [`char::from_digit`]
- [`char::from_u32_unchecked`]
- [`char::from_u32`]
- [`slice::partition_point`]
- [`str::rsplit_once`]
- [`str::split_once`]

The following previously stable APIs are now `const`.

- [`char::len_utf8`]
- [`char::len_utf16`]
- [`char::to_ascii_uppercase`]
- [`char::to_ascii_lowercase`]
- [`char::eq_ignore_ascii_case`]
- [`u8::to_ascii_uppercase`]
- [`u8::to_ascii_lowercase`]
- [`u8::eq_ignore_ascii_case`]

Rustdoc
-------
- [Rustdoc lints are now treated as a tool lint, meaning that lints are
  now prefixed with `rustdoc::`
  (e.g. `#[warn(rustdoc::non_autolinks)]`).][80527]

  Using the old style is still allowed, and will become a warning in
  a future release.
- [Rustdoc now supports argument files.][82261]
- [Rustdoc now generates smart punctuation for documentation.][79423]
- [You can now use "task lists" in Rustdoc Markdown.][81766] E.g.
  ```markdown
  - [x] Complete
  - [ ] Todo
  ```

Misc
----
- [You can now pass multiple filters to tests.][81356] E.g.
  `cargo test -- foo bar` will run all tests that match `foo` and `bar`.
- [Rustup now distributes PDB symbols for the `std` library on Windows,
  allowing you to see `std` symbols when debugging.][82218]

Internal Only
-------------
These changes provide no direct user facing benefits, but represent significant
improvements to the internals and overall performance of rustc and
related tools.

- [Check the result cache before the DepGraph when ensuring queries][81855]
- [Try fast_reject::simplify_type in coherence before doing full check][81744]
- [Only store a LocalDefId in some HIR nodes][81611]
- [Store HIR attributes in a side table][79519]

Compatibility Notes
-------------------
- [Cargo build scripts are now forbidden from setting `RUSTC_BOOTSTRAP`.]
  [cargo/9181]
- [Removed support for the `x86_64-rumprun-netbsd` target.][82594]
- [Deprecated the `x86_64-sun-solaris` target in favor of `x86_64-pc-solaris`.]
  [82216]
- [Rustdoc now only accepts `,`, ` `, and `\t` as delimiters for specifying
  languages in code blocks.][78429]
- [Rustc now catches more cases of `pub_use_of_private_extern_crate`][80763]
- [Changes in how proc macros handle whitespace may lead to panics when used
  with older `proc-macro-hack` versions. A `cargo update` should be sufficient
  to fix this in all cases.][84136]

[84136]: rust-lang/rust#84136
[80763]: rust-lang/rust#80763
[82166]: rust-lang/rust#82166
[82121]: rust-lang/rust#82121
[81879]: rust-lang/rust#81879
[82261]: rust-lang/rust#82261
[82218]: rust-lang/rust#82218
[82216]: rust-lang/rust#82216
[82202]: rust-lang/rust#82202
[81855]: rust-lang/rust#81855
[81766]: rust-lang/rust#81766
[81744]: rust-lang/rust#81744
[81611]: rust-lang/rust#81611
[81479]: rust-lang/rust#81479
[81451]: rust-lang/rust#81451
[81356]: rust-lang/rust#81356
[80962]: rust-lang/rust#80962
[80553]: rust-lang/rust#80553
[80527]: rust-lang/rust#80527
[79519]: rust-lang/rust#79519
[79423]: rust-lang/rust#79423
[79208]: rust-lang/rust#79208
[78429]: rust-lang/rust#78429
[82733]: rust-lang/rust#82733
[82594]: rust-lang/rust#82594
[cargo/9181]: rust-lang/cargo#9181
[`char::MAX`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.MAX
[`char::REPLACEMENT_CHARACTER`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.REPLACEMENT_CHARACTER
[`char::UNICODE_VERSION`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.UNICODE_VERSION
[`char::decode_utf16`]: https://doc.rust-lang.org/std/primitive.char.html#method.decode_utf16
[`char::from_u32`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_u32
[`char::from_u32_unchecked`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_u32_unchecked
[`char::from_digit`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_digit
[`Peekable::next_if`]: https://doc.rust-lang.org/stable/std/iter/struct.Peekable.html#method.next_if
[`Peekable::next_if_eq`]: https://doc.rust-lang.org/stable/std/iter/struct.Peekable.html#method.next_if_eq
[`Arguments::as_str`]: https://doc.rust-lang.org/stable/std/fmt/struct.Arguments.html#method.as_str
[`str::split_once`]: https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_once
[`str::rsplit_once`]: https://doc.rust-lang.org/stable/std/primitive.str.html#method.rsplit_once
[`slice::partition_point`]: https://doc.rust-lang.org/stable/std/primitive.slice.html#method.partition_point
[`char::len_utf8`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.len_utf8
[`char::len_utf16`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.len_utf16
[`char::to_ascii_uppercase`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_ascii_uppercase
[`char::to_ascii_lowercase`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_ascii_lowercase
[`char::eq_ignore_ascii_case`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.eq_ignore_ascii_case
[`u8::to_ascii_uppercase`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_ascii_uppercase
[`u8::to_ascii_lowercase`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_ascii_lowercase
[`u8::eq_ignore_ascii_case`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.eq_ignore_ascii_case
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request May 31, 2021
Pkgsrc changes:
 * Bump bootstrap kit version to 1.51.0.
 * Adjust patches as needed.
 * Update checksum adjustments.
 * Fix syntax error in commands adjusting libserde_derive for Darwin

Upstream changes:

Version 1.52.1 (2021-05-10)
============================

This release disables incremental compilation, unless the user has explicitly
opted in via the newly added RUSTC_FORCE_INCREMENTAL=1 environment variable.

This is due to the widespread, and frequently occuring, breakage encountered by
Rust users due to newly enabled incremental verification in 1.52.0. Notably,
Rust users **should** upgrade to 1.52.0 or 1.52.1: the bugs that are detected by
newly added incremental verification are still present in past stable versions,
and are not yet fixed on any channel. These bugs can lead to miscompilation of
Rust binaries.

These problems only affect incremental builds, so release builds with Cargo
should not be affected unless the user has explicitly opted into incremental.
Debug and check builds are affected.

See [84970] for more details.

[84970]: rust-lang/rust#84970

Version 1.52.0 (2021-05-06)
============================

Language
--------
- [Added the `unsafe_op_in_unsafe_fn` lint, which checks whether
  the unsafe code in an `unsafe fn` is wrapped in a `unsafe`
  block.][79208] This lint is allowed by default, and may become
  a warning or hard error in a future edition.

- [You can now cast mutable references to arrays to a pointer of
  the same type as the element.][81479]

Compiler
--------
- [Upgraded the default LLVM to LLVM 12.][81451]

Added tier 3\* support for the following targets.

- [`s390x-unknown-linux-musl`][82166]
- [`riscv32gc-unknown-linux-musl` & `riscv64gc-unknown-linux-musl`][82202]
- [`powerpc-unknown-openbsd`][82733]

\* Refer to Rust's [platform support page][platform-support-doc] for more
information on Rust's tiered platform support.

Libraries
---------
- [`OsString` now implements `Extend` and `FromIterator`.][82121]
- [`cmp::Reverse` now has `#[repr(transparent)]` representation.][81879]
- [`Arc<impl Error>` now implements `error::Error`.][80553]
- [All integer division and remainder operations are now `const`.][80962]

Stabilised APIs
-------------
- [`Arguments::as_str`]
- [`char::MAX`]
- [`char::REPLACEMENT_CHARACTER`]
- [`char::UNICODE_VERSION`]
- [`char::decode_utf16`]
- [`char::from_digit`]
- [`char::from_u32_unchecked`]
- [`char::from_u32`]
- [`slice::partition_point`]
- [`str::rsplit_once`]
- [`str::split_once`]

The following previously stable APIs are now `const`.

- [`char::len_utf8`]
- [`char::len_utf16`]
- [`char::to_ascii_uppercase`]
- [`char::to_ascii_lowercase`]
- [`char::eq_ignore_ascii_case`]
- [`u8::to_ascii_uppercase`]
- [`u8::to_ascii_lowercase`]
- [`u8::eq_ignore_ascii_case`]

Rustdoc
-------
- [Rustdoc lints are now treated as a tool lint, meaning that
  lints are now prefixed with `rustdoc::` (e.g.
  `#[warn(rustdoc::non_autolinks)]`).][80527] Using the old style
  is still allowed, and will become a warning in a future release.
- [Rustdoc now supports argument files.][82261]
- [Rustdoc now generates smart punctuation for documentation.][79423]
- [You can now use "task lists" in Rustdoc Markdown.][81766] E.g.
  ```markdown
  - [x] Complete
  - [ ] Todo
  ```

Misc
----
- [You can now pass multiple filters to tests.][81356] E.g.
  `cargo test -- foo bar` will run all tests that match `foo` and `bar`.
- [Rustup now distributes PDB symbols for the `std` library on Windows,
  allowing you to see `std` symbols when debugging.][82218]

Internal Only
-------------
These changes provide no direct user facing benefits, but represent significant
improvements to the internals and overall performance of rustc and
related tools.

- [Check the result cache before the DepGraph when ensuring queries][81855]
- [Try fast_reject::simplify_type in coherence before doing full check][81744]
- [Only store a LocalDefId in some HIR nodes][81611]
- [Store HIR attributes in a side table][79519]

Compatibility Notes
-------------------
- [Cargo build scripts are now forbidden from setting
  `RUSTC_BOOTSTRAP`.][cargo/9181]
- [Removed support for the `x86_64-rumprun-netbsd` target.][82594]
- [Deprecated the `x86_64-sun-solaris` target in favor of
  `x86_64-pc-solaris`.][82216]
- [Rustdoc now only accepts `,`, ` `, and `\t` as delimiters for specifying
  languages in code blocks.][78429]
- [Rustc now catches more cases of `pub_use_of_private_extern_crate`][80763]
- [Changes in how proc macros handle whitespace may lead to panics
  when used with older `proc-macro-hack` versions. A `cargo update` should
  be sufficient to fix this in all cases.][84136]

[84136]: rust-lang/rust#84136
[80763]: rust-lang/rust#80763
[82166]: rust-lang/rust#82166
[82121]: rust-lang/rust#82121
[81879]: rust-lang/rust#81879
[82261]: rust-lang/rust#82261
[82218]: rust-lang/rust#82218
[82216]: rust-lang/rust#82216
[82202]: rust-lang/rust#82202
[81855]: rust-lang/rust#81855
[81766]: rust-lang/rust#81766
[81744]: rust-lang/rust#81744
[81611]: rust-lang/rust#81611
[81479]: rust-lang/rust#81479
[81451]: rust-lang/rust#81451
[81356]: rust-lang/rust#81356
[80962]: rust-lang/rust#80962
[80553]: rust-lang/rust#80553
[80527]: rust-lang/rust#80527
[79519]: rust-lang/rust#79519
[79423]: rust-lang/rust#79423
[79208]: rust-lang/rust#79208
[78429]: rust-lang/rust#78429
[82733]: rust-lang/rust#82733
[82594]: rust-lang/rust#82594
[cargo/9181]: rust-lang/cargo#9181
[`char::MAX`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.MAX
[`char::REPLACEMENT_CHARACTER`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.REPLACEMENT_CHARACTER
[`char::UNICODE_VERSION`]: https://doc.rust-lang.org/std/primitive.char.html#associatedconstant.UNICODE_VERSION
[`char::decode_utf16`]: https://doc.rust-lang.org/std/primitive.char.html#method.decode_utf16
[`char::from_u32`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_u32
[`char::from_u32_unchecked`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_u32_unchecked
[`char::from_digit`]: https://doc.rust-lang.org/std/primitive.char.html#method.from_digit
[`Peekable::next_if`]: https://doc.rust-lang.org/stable/std/iter/struct.Peekable.html#method.next_if
[`Peekable::next_if_eq`]: https://doc.rust-lang.org/stable/std/iter/struct.Peekable.html#method.next_if_eq
[`Arguments::as_str`]: https://doc.rust-lang.org/stable/std/fmt/struct.Arguments.html#method.as_str
[`str::split_once`]: https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_once
[`str::rsplit_once`]: https://doc.rust-lang.org/stable/std/primitive.str.html#method.rsplit_once
[`slice::partition_point`]: https://doc.rust-lang.org/stable/std/primitive.slice.html#method.partition_point
[`char::len_utf8`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.len_utf8
[`char::len_utf16`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.len_utf16
[`char::to_ascii_uppercase`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_ascii_uppercase
[`char::to_ascii_lowercase`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_ascii_lowercase
[`char::eq_ignore_ascii_case`]: https://doc.rust-lang.org/stable/std/primitive.char.html#method.eq_ignore_ascii_case
[`u8::to_ascii_uppercase`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_ascii_uppercase
[`u8::to_ascii_lowercase`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.to_ascii_lowercase
[`u8::eq_ignore_ascii_case`]: https://doc.rust-lang.org/stable/std/primitive.u8.html#method.eq_ignore_ascii_case
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