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Fix/tweak some tests in new solver
Bunch of miscellaneous new solver tweaks that I found from the failing tests. Can split these out, but they all seemed small enough to not warrant separate PRs.
r? lcnr
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This error was untested.
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Add do_not_recommend typo help
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I saw someone post a code sample that contained these two attributes,
which immediately made me suspicious.
My suspicions were confirmed when I did a small test and checked the
compiler source code to confirm that in these cases, `#[inline]` is
indeed ignored (because you can't exactly `LocalCopy`an unmangled symbol
since that would lead to duplicate symbols, and doing a mix of an
unmangled `GloballyShared` and mangled `LocalCopy` instantiation is too
complicated for our current instatiation mode logic, which I don't want
to change right now).
So instead, emit the usual unused attribute lint with a message saying
that the attribute is ignored in this position.
I think this is not 100% true, since I expect LLVM `inlinehint` to still
be applied to such a function, but that's not why people use this
attribute, they use it for the `LocalCopy` instantiation mode, where it
doesn't work.
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r=compiler-errors"
This reverts commit 84c2050bf63f734246572345aedca9edb2abe96e, reversing
changes made to a96fa317d78c78a9de996afd317603c6970efc0d.
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This fixes two problems with the autofixes for the `unused_imports`
lint:
- `use std::collections::{HashMap, self as coll};` would suggest, when
`HashMap` is unused, the incorrect `use std::collections::self as coll;`
which does not compile.
- `use std::borrow::{self, Cow};` would suggest, when `self` is unused,
`use std::borrow::{Cow};`, which contains unnecessary brackets.
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The newly added pattern types validity tests fail on s390x and
presumably other big-endian systems, due to print of raw values
with padding bytes.
To fix the tests remove the raw output values in the error note by
`normalize-stderr`.
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Fix ICE #138415 for invalid extern function body
Fixes #138415
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Add unstable `--print=supported-crate-types` option
MCP: https://github.com/rust-lang/compiler-team/issues/836
Tracking issue: https://github.com/rust-lang/rust/issues/138640
### Test coverage
Two tests:
1. `tests/ui/print-request/stability.rs` to check that `--print=supported-crate-types` is `-Zunstable-options`-gated
2. `tests/ui/print-request/supported-crate-types.rs` is added as a basic smoke test. Observe that the compiler stdout corresponds to the below *Example output* section (e.g. `proc-macro` is unsupported on `wasm32-unknown-unknown` currently).
### Example output
<details>
<summary>For `x86_64-unknown-linux-gnu`</summary>
Notice the presence of `{c,}dylib` and `proc-macro`:
```
bin
cdylib
dylib
lib
proc-macro
rlib
staticlib
```
</details>
<details>
<summary>For `wasm32-unknown-unknown`</summary>
Notice the absence of `dylib` and `proc-macro`:
```
bin
cdylib
lib
rlib
staticlib
```
</details>
<details>
<summary>For `x86_64-unknown-linux-musl`</summary>
Notice the absence of `{c,}dylib` but presence of `proc-macro`:
```
bin
lib
proc-macro
rlib
staticlib
```
</details>
### Documentation
I added an entry in the unstable book's print request section to document this `supported-crate-types` print request.
### Unresolved questions
- [ ] (Name bikeshedding) is `supported-crate-types` a good name for the print request? I'm inclined to say it's good enough for an unstable print request, but may be worth revisiting at stabilization time.
### Stability
This print request being added is *unstable* in this PR. A separate stabilization PR following the usual compiler flag stabilization procedure should be filed for stabilization after some baking time.
### Review remarks
Best reviewed commit-by-commit.
r? compiler
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Add test to ensure no index out of bounds panic (#135474)
Adds test for #135474
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The test was failing on aarch64-apple-darwin.
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- Document test intent to check for `-Whelp` suggestion if
`--print=lints` was specified.
- Move this test under `tests/ui/print-request/` and rename it to
`print-lints-help.rs` to better reflect what it is checking.
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As an unstable print request.
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Rollup of 8 pull requests
Successful merges:
- #138018 (rustdoc: Use own logic to print `#[repr(..)]` attributes in JSON output.)
- #138294 (Mark some std tests as requiring `panic = "unwind"`)
- #138468 (rustdoc js: add nonnull helper and typecheck src-script.js)
- #138675 (Add release notes for 1.85.1)
- #138765 (Fix Thread::set_name on cygwin)
- #138786 (Move some driver code around)
- #138793 (target spec check: better error when llvm-floatabi is missing)
- #138822 (De-Stabilize `file_lock`)
r? `@ghost`
`@rustbot` modify labels: rollup
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Move some driver code around
`--emit mir`, `#[rustc_symbol_name]` and `#[rustc_def_path]` now run before codegen and thus work even if codegen fails. This can help with debugging.
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expand: Do not report `cfg_attr` traces on macros as unused attributes
Fixes https://github.com/rust-lang/rust/issues/138779
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test(ui): add tuple-struct-where-clause-suggestion ui test for #91520
Fixes #91520
I tried to also make it a .fixed test, but I failed to accomplish that.
That's because of the 'consider annotating `Inner<T>` with `#[derive(Clone)]`' suggestion does not compile (conflicting Clone implementations), and I can't isolate them with `rustfix-only-machine-applicable` as both suggestions are not marked as `MachineApplicable`.
Instead I just test that the where clause suggestion is applied to the correct line.
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Clean UI tests 2 of n
Modified 4 tests in tests/ui. Cleaned 3 and deleted one.
I have a final commit changing the values in `src/tools/tidy/src/ui_tests.rs`.
I wasn't sure if it was best practice to change this value as you go along or
once at the end. I can rebase to something that incrementally changes the value
in the "cleaned" commits if that is preferred.
Related Issues:
#73494
#133895
r? jieyouxu
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merge opaque types defined in nested bodies
A small step towards https://github.com/rust-lang/types-team/issues/129
r? `@oli-obk`
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Use explicit cpu in some asm and codegen tests.
Some tests expect to be compiled for a specific CPU or require certain target features to be present (or absent). These tests work fine with default CPUs but fail in downstream builds for RHEL and Fedora, where we use non-default CPUs such as z13 on s390x, pwr9 on ppc64le, or x86-64-v2/x86-64-v3 on x86_64.
This is similar to #124597.
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r=Amanieu
add `naked_functions_target_feature` unstable feature
tracking issue: https://github.com/rust-lang/rust/issues/138568
tagging https://github.com/rust-lang/rust/pull/134213 https://github.com/rust-lang/rust/issues/90957
This PR puts `#[target_feature(/* ... */)]` on `#[naked]` functions behind its own feature gate, so that naked functions can be stabilized. It turns out that supporting `target_feature` on naked functions is tricky on some targets, so we're splitting it out to not block stabilization of naked functions themselves. See the tracking issue for more information and workarounds.
Note that at the time of writing, the `target_features` attribute is ignored when generating code for naked functions.
r? ``@Amanieu``
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r=jieyouxu
Fix the "used_with_archive" test on Fuchsia
This change adds Fuchsia OS as a target to the cfg_attr in the pre_main_constructor external declaration. This allows the "tests/ui/attributes/used_with_archive.rs" to pass against Fuchsia.
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Check attrs: Don't try to retrieve the name of list stems
Fixes #138723.
r? nnethercote or compiler
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Rollup of 8 pull requests
Successful merges:
- #138435 (Add support for postfix yield expressions)
- #138685 (Use `Option<Ident>` for lowered param names.)
- #138700 (Suggest `-Whelp` when pass `--print lints` to rustc)
- #138727 (Do not rely on `type_var_origin` in `OrphanCheckErr::NonLocalInputType`)
- #138729 (Clean up `FnCtxt::resolve_coroutine_interiors`)
- #138731 (coverage: Add LLVM plumbing for expansion regions)
- #138732 (Use `def_path_str` for def id arg in `UnsupportedOpInfo`)
- #138735 (Remove `llvm` and `llvms` triagebot ping aliases for `icebreakers-llvm` ping group)
r? `@ghost`
`@rustbot` modify labels: rollup
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expand: Leave traces when expanding `cfg_attr` attributes
Currently `cfg_trace` just disappears during expansion, but after this PR `#[cfg_attr(some tokens)]` will leave a `#[cfg_attr_trace(some tokens)]` attribute instead of itself in AST after expansion (the new attribute is built-in and inert, its inner tokens are the same as in the original attribute).
This trace attribute can then be used by lints or other diagnostics, #133823 has some examples.
Tokens in these trace attributes are set to an empty token stream, so the traces are non-existent for proc macros and cannot affect any user-observable behavior.
This is also a weakness, because if a proc macro processes some code with the trace attributes, they will be lost, so the traces are best effort rather than precise.
The next step is to do the same thing with `cfg` attributes (`#[cfg(TRUE)]` currently remains in both AST and tokens after expanding, it should be replaced with a trace instead).
The idea belongs to `@estebank.`
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This change adds Fuchsia OS as a target to the cfg_attr in the
pre_main_constructor external declaration. This allows the
"tests/ui/attributes/used_with_archive.rs" to pass against Fuchsia.
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block
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Use `def_path_str` for def id arg in `UnsupportedOpInfo`
We could alternatively just omit the def path from the label, but I think it's fine to keep around
Fixes #138730
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