Auto merge of rust-lang#76019 - pietroalbini:rollup-1tkgdnd, r=pietro…

…albini

Rollup of 12 pull requests

Successful merges:

 - rust-lang#75330 (Improve rendering of crate features via doc(cfg))
 - rust-lang#75927 (Use intra-doc links in `core::macros`)
 - rust-lang#75941 (Clean up E0761 explanation)
 - rust-lang#75943 (Fix potential UB in align_offset doc examples)
 - rust-lang#75946 (Error use explicit intra-doc link and fix text)
 - rust-lang#75955 (Use intra-doc links in `core::future::future` and `core::num::dec2flt`)
 - rust-lang#75967 (Fix typo in `std::hint::black_box` docs)
 - rust-lang#75972 (Fix ICE due to carriage return w/ multibyte char)
 - rust-lang#75989 (Rename rustdoc/test -> rustdoc/doctest)
 - rust-lang#75996 (fix wording in release notes)
 - rust-lang#75998 (Add InstrProfilingPlatformFuchsia.c to profiler_builtins)
 - rust-lang#76000 (Adds --bless support to test/run-make-fulldeps)

Failed merges:

r? @ghost

RELEASES.md

@@ -51,7 +51,7 @@ Compatibility Notes
 -------------------
 - [The target configuration option `abi_blacklist` has been renamed
   to `unsupported_abis`.][74150] The old name will still continue to work.
-- [Rustc will now warn if you have a C-like enum that implements `Drop`.][72331]
+- [Rustc will now warn if you cast a C-like enum that implements `Drop`.][72331]
   This was previously accepted but will become a hard error in a future release.
 - [Rustc will fail to compile if you have a struct with
   `#[repr(i128)]` or `#[repr(u128)]`.][74109] This representation is currently only

library/core/src/future/future.rs

@@ -23,7 +23,7 @@ use crate::task::{Context, Poll};
 /// When using a future, you generally won't call `poll` directly, but instead
 /// `.await` the value.
 ///
-/// [`Waker`]: ../task/struct.Waker.html
+/// [`Waker`]: crate::task::Waker
 #[doc(spotlight)]
 #[must_use = "futures do nothing unless you `.await` or poll them"]
 #[stable(feature = "futures_api", since = "1.36.0")]
@@ -91,11 +91,9 @@ pub trait Future {
     /// (memory corruption, incorrect use of `unsafe` functions, or the like),
     /// regardless of the future's state.
     ///
-    /// [`Poll::Pending`]: ../task/enum.Poll.html#variant.Pending
-    /// [`Poll::Ready(val)`]: ../task/enum.Poll.html#variant.Ready
-    /// [`Context`]: ../task/struct.Context.html
-    /// [`Waker`]: ../task/struct.Waker.html
-    /// [`Waker::wake`]: ../task/struct.Waker.html#method.wake
+    /// [`Poll::Ready(val)`]: Poll::Ready
+    /// [`Waker`]: crate::task::Waker
+    /// [`Waker::wake`]: crate::task::Waker::wake
     #[lang = "poll"]
     #[stable(feature = "futures_api", since = "1.36.0")]
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>;

library/core/src/hint.rs

@@ -101,7 +101,7 @@ pub fn spin_loop() {
 /// [`std::convert::identity`]: https://doc.rust-lang.org/core/convert/fn.identity.html
 ///
 /// Unlike [`std::convert::identity`], a Rust compiler is encouraged to assume that `black_box` can
-/// use `x` in any possible valid way that Rust code is allowed to without introducing undefined
+/// use `dummy` in any possible valid way that Rust code is allowed to without introducing undefined
 /// behavior in the calling code. This property makes `black_box` useful for writing code in which
 /// certain optimizations are not desired, such as benchmarks.
 ///

library/core/src/macros/mod.rs

@@ -333,16 +333,16 @@ macro_rules! r#try {
 /// This macro accepts a format string, a list of arguments, and a 'writer'. Arguments will be
 /// formatted according to the specified format string and the result will be passed to the writer.
 /// The writer may be any value with a `write_fmt` method; generally this comes from an
-/// implementation of either the [`std::fmt::Write`] or the [`std::io::Write`] trait. The macro
-/// returns whatever the `write_fmt` method returns; commonly a [`std::fmt::Result`], or an
+/// implementation of either the [`fmt::Write`] or the [`io::Write`] trait. The macro
+/// returns whatever the `write_fmt` method returns; commonly a [`fmt::Result`], or an
 /// [`io::Result`].
 ///
 /// See [`std::fmt`] for more information on the format string syntax.
 ///
 /// [`std::fmt`]: crate::fmt
-/// [`std::fmt::Write`]: crate::fmt::Write
-/// [`std::io::Write`]: ../std/io/trait.Write.html
-/// [`std::fmt::Result`]: crate::fmt::Result
+/// [`fmt::Write`]: crate::fmt::Write
+/// [`io::Write`]: ../std/io/trait.Write.html
+/// [`fmt::Result`]: crate::fmt::Result
 /// [`io::Result`]: ../std/io/type.Result.html
 ///
 /// # Examples

library/core/src/macros/panic.md

@@ -5,12 +5,12 @@ to the caller of the program. `panic!` should be used when a program reaches
 an unrecoverable state.
 
 This macro is the perfect way to assert conditions in example code and in
-tests. `panic!` is closely tied with the `unwrap` method of both [`Option`]
-and [`Result`][runwrap] enums. Both implementations call `panic!` when they are set
-to None or Err variants.
+tests. `panic!` is closely tied with the `unwrap` method of both
+[`Option`][ounwrap] and [`Result`][runwrap] enums. Both implementations call
+`panic!` when they are set to [`None`] or [`Err`] variants.
 
 This macro is used to inject panic into a Rust thread, causing the thread to
-panic entirely. Each thread's panic can be reaped as the `Box<Any>` type,
+panic entirely. Each thread's panic can be reaped as the [`Box`]`<`[`Any`]`>` type,
 and the single-argument form of the `panic!` macro will be the value which
 is transmitted.
 
@@ -24,11 +24,11 @@ The multi-argument form of this macro panics with a string and has the
 
 See also the macro [`compile_error!`], for raising errors during compilation.
 
-[runwrap]: ../std/result/enum.Result.html#method.unwrap
-[`Option`]: ../std/option/enum.Option.html#method.unwrap
-[`Result`]: ../std/result/enum.Result.html
+[ounwrap]: Option::unwrap
+[runwrap]: Result::unwrap
+[`Box`]: ../std/boxed/struct.Box.html
+[`Any`]: crate::any::Any
 [`format!`]: ../std/macro.format.html
-[`compile_error!`]: ../std/macro.compile_error.html
 [book]: ../book/ch09-00-error-handling.html
 
 # Current implementation

library/core/src/num/dec2flt/mod.rs

@@ -166,10 +166,6 @@ from_str_float_impl!(f64);
 ///
 /// This error is used as the error type for the [`FromStr`] implementation
 /// for [`f32`] and [`f64`].
-///
-/// [`FromStr`]: ../str/trait.FromStr.html
-/// [`f32`]: ../../std/primitive.f32.html
-/// [`f64`]: ../../std/primitive.f64.html
 #[derive(Debug, Clone, PartialEq, Eq)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct ParseFloatError {

library/core/src/ptr/const_ptr.rs

@@ -836,7 +836,7 @@ impl<T: ?Sized> *const T {
     /// # use std::mem::align_of;
     /// # unsafe {
     /// let x = [5u8, 6u8, 7u8, 8u8, 9u8];
-    /// let ptr = &x[n] as *const u8;
+    /// let ptr = x.as_ptr().add(n) as *const u8;
     /// let offset = ptr.align_offset(align_of::<u16>());
     /// if offset < x.len() - n - 1 {
     ///     let u16_ptr = ptr.add(offset) as *const u16;

library/core/src/ptr/mut_ptr.rs

@@ -1094,7 +1094,7 @@ impl<T: ?Sized> *mut T {
     /// # use std::mem::align_of;
     /// # unsafe {
     /// let x = [5u8, 6u8, 7u8, 8u8, 9u8];
-    /// let ptr = &x[n] as *const u8;
+    /// let ptr = x.as_ptr().add(n) as *const u8;
     /// let offset = ptr.align_offset(align_of::<u16>());
     /// if offset < x.len() - n - 1 {
     ///     let u16_ptr = ptr.add(offset) as *const u16;

library/profiler_builtins/build.rs

@@ -20,6 +20,7 @@ fn main() {
         "InstrProfilingMergeFile.c",
         "InstrProfilingNameVar.c",
         "InstrProfilingPlatformDarwin.c",
+        "InstrProfilingPlatformFuchsia.c",
         "InstrProfilingPlatformLinux.c",
         "InstrProfilingPlatformOther.c",
         "InstrProfilingPlatformWindows.c",

library/std/src/error.rs

@@ -33,15 +33,14 @@ use crate::string;
 /// themselves through the [`Display`] and [`Debug`] traits, and may provide
 /// cause chain information:
 ///
-/// The [`source`] method is generally used when errors cross "abstraction
-/// boundaries". If one module must report an error that is caused by an error
-/// from a lower-level module, it can allow access to that error via the
-/// [`source`] method. This makes it possible for the high-level module to
-/// provide its own errors while also revealing some of the implementation for
-/// debugging via [`source`] chains.
+/// [`Error::source()`] is generally used when errors cross
+/// "abstraction boundaries". If one module must report an error that is caused
+/// by an error from a lower-level module, it can allow accessing that error
+/// via [`Error::source()`]. This makes it possible for the high-level
+/// module to provide its own errors while also revealing some of the
+/// implementation for debugging via `source` chains.
 ///
 /// [`Result<T, E>`]: Result
-/// [`source`]: Error::source
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait Error: Debug + Display {
     /// The lower-level source of this error, if any.
@@ -636,7 +635,7 @@ impl dyn Error {
     }
 
     /// Returns an iterator starting with the current error and continuing with
-    /// recursively calling [`source`].
+    /// recursively calling [`Error::source`].
     ///
     /// If you want to omit the current error and only use its sources,
     /// use `skip(1)`.
@@ -686,8 +685,6 @@ impl dyn Error {
     /// assert!(iter.next().is_none());
     /// assert!(iter.next().is_none());
     /// ```
-    ///
-    /// [`source`]: Error::source
     #[unstable(feature = "error_iter", issue = "58520")]
     #[inline]
     pub fn chain(&self) -> Chain<'_> {

src/librustc_error_codes/error_codes/E0761.md

@@ -2,24 +2,20 @@ Multiple candidate files were found for an out-of-line module.
 
 Erroneous code example:
 
-```rust
+```ignore (multiple source files required for compile_fail)
 // file: ambiguous_module/mod.rs
 
 fn foo() {}
-```
 
-```rust
 // file: ambiguous_module.rs
 
 fn foo() {}
-```
 
-```ignore (multiple source files required for compile_fail)
+// file: lib.rs
+
 mod ambiguous_module; // error: file for module `ambiguous_module`
                       // found at both ambiguous_module.rs and
                       // ambiguous_module.rs/mod.rs
-
-fn main() {}
 ```
 
 Please remove this ambiguity by deleting/renaming one of the candidate files.

src/librustc_parse_format/lib.rs

@@ -760,7 +760,7 @@ fn find_skips_from_snippet(
                 (' ' | '\n' | '\t', _) if eat_ws => {
                     skips.push(pos);
                 }
-                ('\\', Some((next_pos, 'n' | 't' | '0' | '\\' | '\'' | '\"'))) => {
+                ('\\', Some((next_pos, 'n' | 't' | 'r' | '0' | '\\' | '\'' | '\"'))) => {
                     skips.push(*next_pos);
                     let _ = s.next();
                 }