While the numbers are parsed to the correct value, the decimal numbers in the
source were rounded to zero instead of to the nearest, making the literals
different from the values shown in the documentation.

CO-AUTHORED-BY: Esteban Küber <[email protected]>

…r=oli-obk

Suggest a borrow when using dbg

Fixes rust-lang#120327
r? `@estebank`

…etrochenkov

Delegation: support coercion for target expression

(solves rust-lang#118212 (comment))

The implementation consist of 3 parts. Firstly, method call is generated instead of fully qualified call in AST->HIR lowering if there were no generic arguments or `Qpath` were provided. These restrictions are imposed due to the loss of information after desugaring. For example in

```rust
trait Trait {
  fn foo(&self) {}
}

reuse <u8 as Trait>::foo;
```

We would like to generate such a code:

```rust
fn foo<u8: Trait>(x: &u8) {
  x.foo(x)
}
```

however, the signature is inherited during HIR analysis where `u8` was discarded.

Secondly, traits found in the callee path are also added to `trait_map`. This is done to avoid the side effects of converting body into method calls:

```rust
mod inner {
    pub trait Trait {
      fn foo(&self) {}
    }
}

reuse inner::Trait::foo; // Ok, `Trait` is in scope for implicit method call.
```

Finally, applicable candidates are filtered with pre-resolved method during method lookup.

P.S In the future, we would like to avoid restrictions on the callee path by `Self` autoref/autoderef in fully qualified calls, but at the moment it didn't work out.

r? `@petrochenkov`

fix least significant digits of f128 associated constants

While the numbers are parsed to the correct value, the decimal numbers in the source were rounded to zero instead of to the nearest, making the literals different from the values shown in the documentation.

…r, r=estebank

Suggest using `map_or` when `Option<&T>::unwrap_or where T: Deref` fails

Fix rust-lang#127545

Split from rust-lang#127596 (review)

Add cache for `allocate_str`

Best effort cache for string allocation in const eval.

Fixes [rust-lang/miri#3470](rust-lang/miri#3470).

Update books

## rust-lang/book

3 commits in f1e49bf7a8ea6c31ce016a52b8a4f6e1ffcfbc64..67fa536768013d9d5a13f3a06790521d511ef711
2024-07-12 21:21:45 UTC to 2024-07-05 17:35:06 UTC

- Use Rust 2021 Edition for mdBook (rust-lang/book#3974)
- Backport changes to chapter 11 (rust-lang/book#3969)
- Upgrade to Rust 1.79.0 (rust-lang/book#3968)

## rust-lang/edition-guide

2 commits in 941db8b3df45fd46cd87b50a5c86714b91dcde9c..5454de3d12b9ccc6375b629cf7ccda8264640aac
2024-07-14 07:06:34 UTC to 2024-07-12 06:05:29 UTC

- Update timeline etc. for Rust 2024
- 2024: Add note about never_type_fallback_flowing_into_unsafe lint level. (rust-lang/edition-guide#311)

## rust-embedded/book

1 commits in b10c6acaf0f43481f6600e95d4b5013446e29f7a..019f3928d8b939ec71b63722dcc2e46330156441
2024-07-11 17:46:10 UTC to 2024-07-11 17:46:10 UTC

- typo on tooling.md (rust-embedded/book#373)

## rust-lang/reference

9 commits in 1ae3deebc3ac16e276b6558e01420f8e605def08..e2f0bdc4031866734661dcdb548184bde1450baf
2024-06-29 16:59:51 +0000 to 2024-07-15 17:52:44 +0000

- Suppress type length limit test and note that it is not enforced (rust-lang/reference#1527)
- elaborate on slice wide pointer metadata (rust-lang/reference#1499)
- '.inst' in inline-assembly changed to '.insn' (rust-lang/reference#1453)
- Clarify that `asm!` blocks can be duplicated or deduplicated by the compiler (rust-lang/reference#1441)
- Add mdbook-spec (rust-lang/reference#1520)
- Add note about static libraries not linking their dependencies (rust-lang/reference#1472)
- more explicitly explain the UB around immutable extern statics (rust-lang/reference#1502)
- Improvements to `items/functions.md` (rust-lang/reference#1458)
- Enable mdbook smart-punctuation. (rust-lang/reference#1516)

## rust-lang/rust-by-example

1 commits in 658c6c27cb975b92227936024816986c2d3716fb..89aecb6951b77bc746da73df8c9f2b2ceaad494a
2024-07-11 12:33:43 UTC to 2024-07-11 12:33:43 UTC

- Update option_result.md (rust-lang/rust-by-example#1864)

## rust-lang/rustc-dev-guide

6 commits in d6e3a32a557db5902e714604def8015d6bb7e0f7..0c4d55cb59fe440d1a630e4e5774d043968edb3f
2024-07-15 15:16:43 UTC to 2024-07-01 19:05:14 UTC

- Improve documentation of MIR queries & passes (rust-lang/rustc-dev-guide#1434)
- Bump dependencies for date-check tool (rust-lang/rustc-dev-guide#2012)
- Fix typo: lists -> lints (rust-lang/rustc-dev-guide#2011)
- use "bootstrap" instead of "rustbuild" (rust-lang/rustc-dev-guide#2010)
- Fix grammar issue in optimize-build.md (rust-lang/rustc-dev-guide#2009)
- Update name of Fuchsia builder (rust-lang/rustc-dev-guide#2008)