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Functions currently can't have mappings in multiple files, and if that ever
changes (e.g. to properly support expansion regions), this code will need to be
completely overhauled anyway.
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We already had a dedicated `LocalFileId` index type, but previously we used a
raw `u32` for global file IDs, because index types were harder to pass through
FFI.
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This isn't strictly necessary, but makes it easier to distinguish `body_span`
from the specific `span` being processed.
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Rollup of 10 pull requests
Successful merges:
- #130586 (Set "symbol name" in raw-dylib import libraries to the decorated name)
- #131913 (Add `{ignore,needs}-{rustc,std}-debug-assertions` directive support)
- #132095 (Fix #131977 parens mangled in shared mut static lint suggestion)
- #132131 ([StableMIR] API to retrieve definitions from crates)
- #132639 (core: move intrinsics.rs into intrinsics folder)
- #132696 (Compile `test_num_f128` conditionally on `reliable_f128_math` config)
- #132737 (bootstrap: Print better message if lock pid isn't available)
- #132739 (Fix `librustdoc/scrape_examples.rs` formatting)
- #132740 (Update test for LLVM 20's new vector splat syntax)
- #132741 (Update mips64 data layout to match LLVM 20 change)
r? `@ghost`
`@rustbot` modify labels: rollup
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Update mips64 data layout to match LLVM 20 change
LLVM changed the data layout in https://github.com/llvm/llvm-project/pull/112084
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Update test for LLVM 20's new vector splat syntax
that was introduced in https://github.com/llvm/llvm-project/pull/112548
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Fix `librustdoc/scrape_examples.rs` formatting
Still working on the intra-doc link feature. This time I encountered this file and it bothered me a bit so fixing formatting. :3
r? ````@notriddle````
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bootstrap: Print better message if lock pid isn't available
Not actually sure why, but sometimes the PID isn't available so we print
```
WARNING: build directory locked by process , waiting for lock
```
This makes the message a bit nicer in this case
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fortanix:raoul/rte-235-fix_fmodl_missing_symbol_issue, r=tgross35
Compile `test_num_f128` conditionally on `reliable_f128_math` config
With #132434 merged, our internal SGX CI started failing with:
```
05:27:34 = note: rust-lld: error: undefined symbol: fmodl
05:27:34 >>> referenced by arith.rs:617 (core/src/ops/arith.rs:617)
05:27:34 >>> /home/jenkins/workspace/rust-sgx-ci/rust/build/x86_64-unknown-linux-gnu/stage1-std/x86_64-fortanix-unknown-sgx/release/deps/std-5d5f11eb008c9091.std.d8141acc61ab7ac8-cgu.10.rcgu.o:(std::num::test_num::h7dd9449f6c01fde8)
05:27:34 >>> did you mean: fmodf
05:27:34 >>> defined in: /home/jenkins/workspace/rust-sgx-ci/rust/build/x86_64-unknown-linux-gnu/stage1-std/x86_64-fortanix-unknown-sgx/release/deps/libcompiler_builtins-0376f439a2ebf305.rlib(compiler_builtins-0376f439a2ebf305.compiler_builtins.c22db39d25d6f802-cgu.148.rcgu.o)
```
This originated from the `test_num_f128` test not having the required conditional compilation. This PR fixes that issue.
cc: ````@jethrogb,```` ````@workingjubilee````
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core: move intrinsics.rs into intrinsics folder
This makes the rustbot notification we have set up for this folder in `triagebot.toml` actually work. Also IMO it makes more sense to have it all in one folder.
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[StableMIR] API to retrieve definitions from crates
Add functions to retrieve function definitions and static items from all crates (local and external).
For external crates, we're still missing items from trait implementation and primitives.
r? ````@compiler-errors:```` Do you know what is the best way to retrieve the associated items for primitives and trait implementations for external crates? Thanks!
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Fix #131977 parens mangled in shared mut static lint suggestion
Resolves #131977 for static mut references after discussion with
Esteban & Jieyou on [t-compiler/help](https://rust-lang.zulipchat.com/#narrow/channel/182449-t-compiler.2Fhelp/topic/linting.20with.20parens.20in.20the.20HIR).
This doesn't do anything to change the underlying issue if there are other expressions that generate lint suggestions which need to be applied within parentheses.
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Add `{ignore,needs}-{rustc,std}-debug-assertions` directive support
Add `{ignore,needs}-{rustc,std}-debug-assertions` compiletest directives and retire the old `{ignore,only}-debug` directives. The old `{ignore,only}-debug` directives were ambiguous because you could have std built with debug assertions but rustc not built with debug assertions or vice versa. If we want to support the use case of controlling test run based on if rustc was built with debug assertions, then having `{ignore,only}-debug` will be very confusing.
cc ````@matthiaskrgr````
Closes #123987.
r? bootstrap (or compiler tbh)
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Set "symbol name" in raw-dylib import libraries to the decorated name
`windows-rs` received a bug report that mixing raw-dylib generated and the Windows SDK import libraries was causing linker failures: <https://github.com/microsoft/windows-rs/issues/3285>
The root cause turned out to be #124958, that is we are not including the decorated name in the import library and so the import name type is also not being correctly set.
This change modifies the generation of import libraries to set the "symbol name" to the fully decorated name and correctly marks the import as being data vs function.
Note that this also required some changes to how the symbol is named within Rust: for MSVC we now need to use the decorated name but for MinGW we still need to use partially decorated (or undecorated) name.
Fixes #124958
Passing i686 MSVC and MinGW build: <https://github.com/rust-lang/rust/actions/runs/11000433888?pr=130586>
r? `@ChrisDenton`
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Tweak detection of multiple crate versions to be more encompassing
Previously, we only emitted the additional context if the type was in the same crate as the trait that appeared multiple times in the dependency tree. Now, we look at all traits looking for two with the same name in different crates with the same crate number, and we are more flexible looking for the types involved. This will work even if the type that implements the wrong trait version is from a different crate entirely.
```
error[E0277]: the trait bound `CustomErrorHandler: ErrorHandler` is not satisfied because the trait comes from a different crate version
--> src/main.rs:5:17
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5 | cnb_runtime(CustomErrorHandler {});
| ^^^^^^^^^^^^^^^^^^^^^ the trait `ErrorHandler` is not implemented for `CustomErrorHandler`
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note: there are multiple different versions of crate `c` in the dependency graph
--> /home/gh-estebank/testcase-rustc-crate-version-mismatch/c-v0.2/src/lib.rs:1:1
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1 | pub trait ErrorHandler {}
| ^^^^^^^^^^^^^^^^^^^^^^ this is the required trait
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::: src/main.rs:1:5
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1 | use b::CustomErrorHandler;
| - one version of crate `c` is used here, as a dependency of crate `b`
2 | use c::cnb_runtime;
| - one version of crate `c` is used here, as a direct dependency of the current crate
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::: /home/gh-estebank/testcase-rustc-crate-version-mismatch/b/src/lib.rs:1:1
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1 | pub struct CustomErrorHandler {}
| ----------------------------- this type doesn't implement the required trait
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::: /home/gh-estebank/testcase-rustc-crate-version-mismatch/c-v0.1/src/lib.rs:1:1
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1 | pub trait ErrorHandler {}
| ---------------------- this is the found trait
= note: two types coming from two different versions of the same crate are different types even if they look the same
= help: you can use `cargo tree` to explore your dependency tree
```
Fix #89143.
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Add functions to retrieve function definitions and static items from
all crates (local and external).
For external crates, add a query to retrieve the number of defs in a
foreign crate.
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Basic inline assembly support for SPARC and SPARC64
This implements asm_experimental_arch (tracking issue https://github.com/rust-lang/rust/issues/93335) for SPARC and SPARC64.
This PR includes:
- General-purpose registers `r[0-31]` (`reg` register class, LLVM/GCC constraint `r`)
Supported types: i8, i16, i32, i64 (SPARC64-only)
Aliases: `g[0-7]` (`r[0-7]`), `o[0-7]` (`r[8-15]`), `l[0-7]` (`r[16-23]`), `i[0-7]` (`r[24-31]`)
- `y` register (clobber-only, needed for clobber_abi)
- preserves_flags: Integer condition codes (`icc`, `xcc`) and floating-point condition codes (`fcc*`)
The following are *not* included:
- 64-bit integer support on SPARC-V8+'s global or out registers (`g[0-7]`, `o[0-7]`): GCC's `h` constraint (it seems that there is no corresponding constraint in LLVM?)
- Floating-point registers (LLVM/GCC constraint `e`/`f`):
I initially tried to implement this, but postponed it for now because there seemed to be several parts in LLVM that behaved differently than in the LangRef's description.
- clobber_abi: Support for floating-point registers is needed.
Refs:
- LLVM
- Reserved registers https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/llvm/lib/Target/Sparc/SparcRegisterInfo.cpp#L52
- Register definitions https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/llvm/lib/Target/Sparc/SparcRegisterInfo.td
- Supported constraints https://llvm.org/docs/LangRef.html#supported-constraint-code-list
- GCC
- Reserved registers https://github.com/gcc-mirror/gcc/blob/63b6967b06b5387821c4e5f2c113da6aaeeae2b7/gcc/config/sparc/sparc.h#L633-L658
- Supported constraints https://gcc.gnu.org/onlinedocs/gcc/Machine-Constraints.html
- SPARC ISA/ABI
- (64-bit ISA) The SPARC Architecture Manual, Version 9
(32-bit ISA) The SPARC Architecture Manual, Version 8
(64-bit ABI) System V Application Binary Interface SPARC Version 9 Processor Supplement, Rev 1.35
(32-bit ABI) System V Application Binary Interface SPARC Processor Supplement, Third Edition
The above docs can be downloaded from https://sparc.org/technical-documents
- (32-bit V8+ ABI) The V8+ Technical Specification
https://temlib.org/pub/SparcStation/Standards/V8plus.pdf
cc `@thejpster` (sparc-unknown-none-elf target maintainer)
(AFAIK, other sparc/sprac64 targets don't have target maintainers)
r? `@Amanieu`
`@rustbot` label +O-SPARC +A-inline-assembly
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```
error[E0277]: the trait bound `dep_2_reexport::Type: Trait` is not satisfied because the trait comes from a different crate version
--> multiple-dep-versions.rs:7:18
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7 | do_something(Type);
| ^^^^ the trait `Trait` is not implemented for `dep_2_reexport::Type`
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note: there are multiple different versions of crate `dependency` in the dependency graph
--> /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-1.rs:4:1
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3 | pub struct Type(pub i32);
| --------------- this type implements the required trait
4 | pub trait Trait {
| ^^^^^^^^^^^^^^^ this is the required trait
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::: multiple-dep-versions.rs:1:1
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1 | extern crate dep_2_reexport;
| ---------------------------- one version of crate `dependency` is used here, as a dependency of crate `foo`
2 | extern crate dependency;
| ------------------------ one version of crate `dependency` is used here, as a direct dependency of the current crate
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::: /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-2.rs:3:1
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3 | pub struct Type;
| --------------- this type doesn't implement the required trait
4 | pub trait Trait {
| --------------- this is the found trait
= note: two types coming from two different versions of the same crate are different types even if they look the same
= help: you can use `cargo tree` to explore your dependency tree
```
The approach to accomplish this is a HACK, and we'd want a better way to do this. I believe that moving E0277 to be a structured diagnostic would help in that regard.
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```
error[E0277]: the trait bound `dep_2_reexport::Type: Trait` is not satisfied because the trait comes from a different crate version
--> multiple-dep-versions.rs:7:18
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7 | do_something(Type);
| ^^^^ the trait `Trait` is not implemented for `dep_2_reexport::Type`
|
note: there are multiple different versions of crate `dependency` in the dependency graph
--> /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-1.rs:4:1
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3 | pub struct Type(pub i32);
| --------------- this type implements the required trait
4 | pub trait Trait {
| ^^^^^^^^^^^^^^^ this is the required trait
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::: multiple-dep-versions.rs:1:1
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1 | extern crate dep_2_reexport;
| ---------------------------- one version of crate `dependency` is used here, as a dependency of crate `foo`
2 | extern crate dependency;
| ------------------------ one version of crate `dependency` is used here, as a direct dependency of the current crate
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::: /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-2.rs:3:1
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3 | pub struct Type;
| --------------- this type doesn't implement the required trait
4 | pub trait Trait {
| --------------- this is the found trait
= note: two types coming from two different versions of the same crate are different types even if they look the same
= help: you can use `cargo tree` to explore your dependency tree
note: required by a bound in `do_something`
--> /home/gh-estebank/rust/build/x86_64-unknown-linux-gnu/test/run-make/crate-loading/rmake_out/multiple-dep-versions-1.rs:12:24
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12 | pub fn do_something<X: Trait>(_: X) {}
| ^^^^^ required by this bound in `do_something`
```
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Previously, we only emitted the additional context if the type was in the same crate as the trait that appeared multiple times in the dependency tree. Now, we look at all traits looking for two with the same name in different crates with the same crate number, and we are more flexible looking for the types involved. This will work even if the type that implements the wrong trait version is from a different crate entirely.
```
error[E0277]: the trait bound `CustomErrorHandler: ErrorHandler` is not satisfied
--> src/main.rs:5:17
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5 | cnb_runtime(CustomErrorHandler {});
| ----------- ^^^^^^^^^^^^^^^^^^^^^ the trait `ErrorHandler` is not implemented for `CustomErrorHandler`
| |
| required by a bound introduced by this call
|
help: you have multiple different versions of crate `c` in your dependency graph
--> src/main.rs:1:5
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1 | use b::CustomErrorHandler;
| ^ one version of crate `c` is used here, as a dependency of crate `b`
2 | use c::cnb_runtime;
| ^ one version of crate `c` is used here, as a direct dependency of the current crate
note: two types coming from two different versions of the same crate are different types even if they look the same
--> /home/gh-estebank/testcase-rustc-crate-version-mismatch/c-v0.2/src/lib.rs:1:1
|
1 | pub trait ErrorHandler {}
| ^^^^^^^^^^^^^^^^^^^^^^ this is the required trait
|
::: /home/gh-estebank/testcase-rustc-crate-version-mismatch/b/src/lib.rs:1:1
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1 | pub struct CustomErrorHandler {}
| ----------------------------- this type doesn't implement the required trait
|
::: /home/gh-estebank/testcase-rustc-crate-version-mismatch/c-v0.1/src/lib.rs:1:1
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1 | pub trait ErrorHandler {}
| ---------------------- this is the found trait
= help: you can use `cargo tree` to explore your dependency tree
note: required by a bound in `cnb_runtime`
--> /home/gh-estebank/testcase-rustc-crate-version-mismatch/c-v0.2/src/lib.rs:3:41
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3 | pub fn cnb_runtime(_error_handler: impl ErrorHandler) {}
| ^^^^^^^^^^^^ required by this bound in `cnb_runtime`
```
Fix #89143.
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LLVM changed the data layout in https://github.com/llvm/llvm-project/pull/112084
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that was introduced in https://github.com/llvm/llvm-project/pull/112548
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Rollup of 4 pull requests
Successful merges:
- #132638 (Remove fixme comment about clobber_abi on PowerPC)
- #132726 (Remove unused intercrate dependencies)
- #132729 (Make fn_abi_sanity_check a bit stricter)
- #132734 ( remove 'platform-intrinsic' ABI leftovers)
r? `@ghost`
`@rustbot` modify labels: rollup
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remove 'platform-intrinsic' ABI leftovers
This was removed a while ago, but some parts haven't been fully cleaned up.
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Make fn_abi_sanity_check a bit stricter
The Rust ABI must ignore all ZST arguments, all ignored arguments must be either ZST or uninhabited. And finally ScalarPair should never be passed as PassMode::Direct.
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Remove unused intercrate dependencies
Checked by enabling `-Wunused-crate-dependencies`
`driver_impl` still depends on `index` to forward the `rustc_randomized_layouts` feature, and `rustc_main` depends on several unused crates for sysroot reasons
r? compiler
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Remove fixme comment about clobber_abi on PowerPC
This was considered an unresolved question in https://github.com/rust-lang/rust/pull/131341, but according to the ABI document published in 2011 by Power.org the current implementation is fine as-is.
https://github.com/rust-lang/rust/pull/131341#discussion_r1829358396
> According to [Power Architecture 32-bit Application Binary Interface Supplement 1.0 - Linux & Embedded](https://web.archive.org/web/20120608163804/https://www.power.org/resources/downloads/Power-Arch-32-bit-ABI-supp-1.0-Unified.pdf) published in 2011, PPC32 has the same convention here as PPC64.
>
> Therefore, we can just remove the FIXME comment here.
r? workingjubilee
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The Rust ABI must ignore all ZST arguments, all ignored arguments must
be either ZST or uninhabited. And finally ScalarPair should never be
passed as PassMode::Direct.
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unpin and update memchr
I'm unable to build x86_64-pc-windows-gnu Rust due to some weird binutils bug, but thinlto issue seems to be no longer present. Let's give it a go on the CI.
Possibly fixed by https://github.com/rust-lang/rust/pull/129079
Fixes #127890
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Rollup of 6 pull requests
Successful merges:
- #132057 (miri: update ABI compat checks to accept Option-like types)
- #132665 (Implement `div_ceil` for `NonZero<unsigned>`)
- #132694 (fix(x): fix a regex used to find python executable)
- #132707 (Add --diagnostic-width to some tests failing after 1a0c5021838)
- #132715 (fix `LazyLock::get` and `LazyLock::get_mut` document)
- #132716 (chore(issue-template): fix branch name)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=tgross35
chore(issue-template): fix branch name
It was renamed to "main" from "master".
It might seem not important (actually it is not important) but I think there is no need to see this every time when we clicked this link:
And this way is faster I guess.
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fix `LazyLock::get` and `LazyLock::get_mut` document
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Add --diagnostic-width to some tests failing after 1a0c5021838
Otherwise the tests would fail depending on the execution environment.
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ismailarilik:fix/x/fix-a-regex-used-to-find-python-executable, r=jieyouxu
fix(x): fix a regex used to find python executable
Isn't the regex `^python[2-3]\.[0-9]\+$` wrong? It doesn't match, for example, with `python2.8`. There should be a plus sign at the end for a match, like `python2.8+`. I think `[0-9]+` is meant here instead of `[0-9]\+`. In that case a string like `python2.8` would match. This wasn't noticed because the script probably find and run the Python executable before this line.
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Implement `div_ceil` for `NonZero<unsigned>`
ACP: https://github.com/rust-lang/libs-team/issues/471
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miri: update ABI compat checks to accept Option-like types
This implements the t-lang decision described [here](https://github.com/rust-lang/rust/pull/130628#issuecomment-2402761599).
Fixes https://github.com/rust-lang/miri/issues/3983
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bootstrap: add quoting support to avoid splitting
With this change, it is now possible to pass quotes to the configure script, such as
`./configure.py --set=target.\"thumbv8m.main-none-eabi\".linker=/linker`
or
`./configure.py '--set=target."thumbv8m.main-none-eabi".linker=/linker'`
, which will treat `thumbv8.main-none-eabi` as a whole part. Currently, the string would be split into two elements: `thumbv8`, and `main-none-eabi`.
The approach taken is to perform custom splitting instead of using `str.split()` and then repairing the split. Also, There are numerous corner cases not handled: the custom split doesn't differentiate between single quotes or double quotes, so it is perfectly possible to pass `./configure.py --set=target.\"thumbv8m.main-none-eabi\'.linker=/linker` and the behaviour would be the same as with all double quotes or single quotes.
As for the code, i'm unsure on whether to delimit strings with double or single quotes. I've seen both single quotes and double quotes used to delimit strings, like in
```py
err("Option '{}' provided more than once".format(key))
```
and this a handful of lines down:
```py
if option.name == 'sccache':
set('llvm.ccache', 'sccache', config)
```
Please advise on the wanted one.
Fixes #130602
r? `@onur-ozkan`
Thanks in advance for the feedback!
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