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This test case actually requires std::process.
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Make forward compatibility lint deprecated_cfg_attr_crate_type_name deny by default
Turns the forward compatibility lint added by #83744 to deprecate `cfg_attr` usage with `#![crate_type]` and `#![crate_name]` attributes into deny by default. Copying the example from #83744:
```Rust
#![crate_type = "lib"] // remains working
#![cfg_attr(foo, crate_type = "bin")] // will stop working
```
Over 8 months have passed since #83744 was merged so I'd say this gives ample time for people to have been warned, so we can make the warning stronger. No usage was found via grep.app except for one, which was in an unmaintained code base that didn't seem to be used in the open source eco system. The crater run conducted in #83744 also didn't show up anything.
cc #91632 - tracking issue for the lint
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default
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Always evaluate all cfg predicate in all() and any()
This pull-request adjust the handling of the `all()` and `any()` to always evaluate every cfg predicate because not doing so result in accepting incorrect `cfg`:
```rust
#[cfg(any(unix, foo::bar))] // Should error on foo::bar, but does not on unix platform (but does on non unix platform)
fn foo1() {}
#[cfg(all(foo, foo::bar))] // Should error on foo::bar, but does not
fn foo2() {}
#[cfg(all(foo::bar, foo))] // Correctly error on foo::bar
fn foo3() {}
#[cfg(any(foo::bar, foo))] // Correctly error on foo::bar
fn foo4() {}
```
This pull-request take the side to directly turn it into a hard error instead of having a future incompatibility lint because the combination to get this incorrect behavior is unusual and highly probable that some code have this without noticing.
A [search](https://cs.github.com/?scopeName=All+repos&scope=&q=lang%3Arust+%2Fany%5C%28%5Ba-zA-Z%5D%2C+%5Ba-zA-Z%5D%2B%3A%3A%5Ba-zA-Z%5D%2B%2F) on Github reveal no such instance nevertheless a Crater run should probably be done before merging this.
This was discover in https://github.com/rust-lang/rust/pull/94175 when trying to lint on the second predicate. Also note that this seems to have being introduce with Rust 1.27.0: https://rust.godbolt.org/z/KnfqKv15f.
r? `@petrochenkov`
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Rebase commit
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We already have a general mechanism for deduplicating reported
lints, so there's no need to have an additional one for early lints
specifically. This allows us to remove some `PartialEq` impls.
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Move some tests to more reasonable directories - 9.5
cc #73494
r? `@petrochenkov`
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std: Get the standard library compiling for wasm64
This commit goes through and updates various `#[cfg]` as appropriate to
get the wasm64-unknown-unknown target behaving similarly to the
wasm32-unknown-unknown target. Most of this is just updating various
conditions for `target_arch = "wasm32"` to also account for `target_arch
= "wasm64"` where appropriate. This commit also lists `wasm64` as an
allow-listed architecture to not have the `restricted_std` feature
enabled, enabling experimentation with `-Z build-std` externally.
The main goal of this commit is to enable playing around with
`wasm64-unknown-unknown` externally via `-Z build-std` in a way that's
similar to the `wasm32-unknown-unknown` target. These targets are
effectively the same and only differ in their pointer size, but wasm64
is much newer and has much less ecosystem/library support so it'll still
take time to get wasm64 fully-fledged.
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Add an `abi` field to `TargetOptions`, defaulting to "". Support using
`cfg(target_abi = "...")` for conditional compilation on that field.
Gated by `feature(cfg_target_abi)`.
Add a test for `target_abi`, and a test for the feature gate.
Add `target_abi` to tidy as a platform-specific cfg.
This does not add an abi to any existing target.
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Add `needs-unwind` and beginning of support for testing `panic=abort` std to compiletest
For the Fuchsia platform we build libstd with `panic=abort` and would like a way to run tests with that enabled. This adds low-level support for this directly to compiletest.
In the future I'd like to add high-level support in rustbuild, e.g. having target-specific flags that allow configuring a panic strategy. (Side note: It would be nice if we could also build multiple configurations for the same target, but I'm getting ahead of myself.)
This plus #84500 have everything that's needed to get ui tests passing on fuchsia targets.
Part of #84766. Note that this change only includes the header on tests which need an unwinder to _build_, not those which need it to _run_.
r? ````@Mark-Simulacrum````
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