Rollup of 4 pull requests #87165
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Rollup of 4 pull requests #87165
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Remove the Shared type natvis since it no longer exists
…vidtwco Make `--force-warns` a normal lint level option Now that `ForceWarn` is a lint level, there's no reason `--force-warns` should be treated differently from other options that set lint levels. This merges the `ForceWarn` handling in with the other lint level command line options. It also unifies all of the relevant selection logic in `compiler/rustc_lint/src/levels.rs`, rather than having some of it weirdly elsewhere. Fixes rust-lang#86958, which arose from the special-cased handling of `ForceWarn` having had an error in it.
…haelwoerister
Add or improve natvis definitions for common standard library types
Natvis definitions are used by Windows debuggers to provide a better experience when inspecting a value for types with natvis definitions. Many of our standard library types and intrinsic Rust types like slices and `str` already have natvis definitions.
This PR adds natvis definitions for missing types (like all of the `Atomic*` types) and improves some of the existing ones (such as showing the ref count on `Arc<T>` and `Rc<T>` and showing the borrow state of `RefCell<T>`). I've also added cdb tests to cover these definitions and updated existing tests with the new visualizations.
With this PR, the following types now visualize in a much more intuitive way:
### Type: `NonZero{I,U}{8,16,32,64,128,size}`, `Atomic{I,U}{8,16,32,64,size}`, `AtomicBool` and `Wrapping<T>`
<details><summary>Example:</summary>
```rust
let a_u32 = AtomicU32::new(32i32);
```
```
0:000> dx a_u32
a_u32 : 32 [Type: core::sync::atomic::AtomicU32]
[<Raw View>] [Type: core::sync::atomic::AtomicU32]
```
</details>
### Type: `Cell<T>` and `UnsafeCell<T>`
<details><summary>Example:</summary>
```rust
let cell = Cell::new(123u8);
let unsafecell = UnsafeCell::new((42u16, 30u16));
```
```
0:000> dx cell
cell : 123 [Type: core::cell::Cell<u8>]
[<Raw View>] [Type: core::cell::Cell<u8>]
0:000> dx unsafecell
unsafecell : (42, 30) [Type: core::cell::UnsafeCell<tuple<u16, u16>>]
[<Raw View>] [Type: core::cell::UnsafeCell<tuple<u16, u16>>]
[0] : 42 [Type: unsigned short]
[1] : 30 [Type: unsigned short]
```
</details>
### Type: `RefCell<T>`
<details><summary>Example:</summary>
```rust
let refcell = RefCell::new((123u16, 456u32));
```
```
0:000> dx refcell
refcell : (123, 456) [Type: core::cell::RefCell<tuple<u16, u32>>]
[<Raw View>] [Type: core::cell::RefCell<tuple<u16, u32>>]
[Borrow state] : Unborrowed
[0] : 123 [Type: unsigned short]
[1] : 456 [Type: unsigned int]
```
</details>
### Type: `NonNull<T>` and `Unique<T>`
<details><summary>Example:</summary>
```rust
let nonnull: NonNull<_> = (&(10, 20)).into();
```
```
0:000> dx nonnull
nonnull : NonNull(0x7ff6a5d9c390: (10, 20)) [Type: core::ptr::non_null::NonNull<tuple<i32, i32>>]
[<Raw View>] [Type: core::ptr::non_null::NonNull<tuple<i32, i32>>]
[0] : 10 [Type: int]
[1] : 20 [Type: int]
```
</details>
### Type: `Range<T>`, `RangeFrom<T>`, `RangeInclusive<T>`, `RangeTo<T>` and `RangeToInclusive<T>`
<details><summary>Example:</summary>
```rust
let range = (1..12);
let rangefrom = (9..);
let rangeinclusive = (32..=80);
let rangeto = (..42);
let rangetoinclusive = (..=120);
```
```
0:000> dx range
range : (1..12) [Type: core::ops::range::Range<i32>]
[<Raw View>] [Type: core::ops::range::Range<i32>]
0:000> dx rangefrom
rangefrom : (9..) [Type: core::ops::range::RangeFrom<i32>]
[<Raw View>] [Type: core::ops::range::RangeFrom<i32>]
0:000> dx rangeinclusive
rangeinclusive : (32..=80) [Type: core::ops::range::RangeInclusive<i32>]
[<Raw View>] [Type: core::ops::range::RangeInclusive<i32>]
0:000> dx rangeto
rangeto : (..42) [Type: core::ops::range::RangeTo<i32>]
[<Raw View>] [Type: core::ops::range::RangeTo<i32>]
0:000> dx rangetoinclusive
rangetoinclusive : (..=120) [Type: core::ops::range::RangeToInclusive<i32>]
[<Raw View>] [Type: core::ops::range::RangeToInclusive<i32>]
```
</details>
### Type: `Duration`
<details><summary>Example:</summary>
```rust
let duration = Duration::new(5, 12);
```
```
0:000> dx duration
duration : 5s 12ns [Type: core::time::Duration]
[<Raw View>] [Type: core::time::Duration]
seconds : 5 [Type: unsigned __int64]
nanoseconds : 12 [Type: unsigned int]
```
</details>
### Type: `ManuallyDrop<T>`
<details><summary>Example:</summary>
```rust
let manuallydrop = ManuallyDrop::new((123, 456));
```
```
0:000> dx manuallydrop
manuallydrop : (123, 456) [Type: core::mem::manually_drop::ManuallyDrop<tuple<i32, i32>>]
[<Raw View>] [Type: core::mem::manually_drop::ManuallyDrop<tuple<i32, i32>>]
[0] : 123 [Type: int]
[1] : 456 [Type: int]
```
</details>
### Type: `Pin<T>`
<details><summary>Example:</summary>
```rust
let mut s = "this".to_string();
let pin = Pin::new(&mut s);
```
```
0:000> dx pin
pin : Pin(0x11a0ff6f0: "this") [Type: core::pin::Pin<mut alloc::string::String*>]
[<Raw View>] [Type: core::pin::Pin<mut alloc::string::String*>]
[len] : 4 [Type: unsigned __int64]
[capacity] : 4 [Type: unsigned __int64]
[chars]
```
</details>
### Type: `Rc<T>` and `Arc<T>`
<details><summary>Example:</summary>
```rust
let rc = Rc::new(42i8);
let rc_weak = Rc::downgrade(&rc);
```
```
0:000> dx rc
rc : 42 [Type: alloc::rc::Rc<i8>]
[<Raw View>] [Type: alloc::rc::Rc<i8>]
[Reference count] : 1 [Type: core::cell::Cell<usize>]
0:000> dx rc_weak
rc_weak : 42 [Type: alloc::rc::Weak<i8>]
[<Raw View>] [Type: alloc::rc::Weak<i8>]
```
</details>
r? ``@michaelwoerister``
cc ``@nanguye2496``
…matsakis ExprUseVisitor: Treat ByValue use of Copy types as ImmBorrow r? ``@nikomatsakis``
…r=notriddle Fix type decl layout "overflow" Before:  After:  cc ``@SergioBenitez`` r? ``@notriddle``
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@bors: r+ p=4 rollup=never |
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📌 Commit 41ac3f3 has been approved by |
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⌛ Testing commit 41ac3f3 with merge c9f304b7f544f29832bbeb0efd5496489841eaa7... |
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Successful merges:
--force-warnsa normal lint level option #86970 (Make--force-warnsa normal lint level option)Failed merges:
r? @ghost
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