Auto merge of rust-lang#137065 - jhpratt:rollup-ree9mej, r=jhpratt

Rollup of 9 pull requests

Successful merges:

 - rust-lang#135687 (re-export `FromCoroutine` from `core::iter`)
 - rust-lang#135813 (CI: split i686-mingw job to three free runners)
 - rust-lang#136749 (Implement Extend<AsciiChar> for String)
 - rust-lang#136879 (Add safe new() to NotAllOnes)
 - rust-lang#136978 (Windows: Update generated bindings)
 - rust-lang#137028 (mir_build: Clarify some code for lowering `hir::PatExpr` to THIR)
 - rust-lang#137029 (Remove unnecessary check code in unused_delims)
 - rust-lang#137056 (made check_argument_compat public for use in miri)
 - rust-lang#137062 (Forward all default methods for I/O impls)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

alloc/src/string.rs

@@ -2442,6 +2442,32 @@ impl<'a> Extend<Cow<'a, str>> for String {
     }
 }
 
+#[cfg(not(no_global_oom_handling))]
+#[unstable(feature = "ascii_char", issue = "110998")]
+impl Extend<core::ascii::Char> for String {
+    fn extend<I: IntoIterator<Item = core::ascii::Char>>(&mut self, iter: I) {
+        self.vec.extend(iter.into_iter().map(|c| c.to_u8()));
+    }
+
+    #[inline]
+    fn extend_one(&mut self, c: core::ascii::Char) {
+        self.vec.push(c.to_u8());
+    }
+}
+
+#[cfg(not(no_global_oom_handling))]
+#[unstable(feature = "ascii_char", issue = "110998")]
+impl<'a> Extend<&'a core::ascii::Char> for String {
+    fn extend<I: IntoIterator<Item = &'a core::ascii::Char>>(&mut self, iter: I) {
+        self.extend(iter.into_iter().cloned());
+    }
+
+    #[inline]
+    fn extend_one(&mut self, c: &'a core::ascii::Char) {
+        self.vec.push(c.to_u8());
+    }
+}
+
 /// A convenience impl that delegates to the impl for `&str`.
 ///
 /// # Examples

core/src/iter/mod.rs

@@ -420,14 +420,14 @@ pub use self::adapters::{Intersperse, IntersperseWith};
     issue = "42168"
 )]
 pub use self::range::Step;
+#[stable(feature = "iter_empty", since = "1.2.0")]
+pub use self::sources::{Empty, empty};
 #[unstable(
     feature = "iter_from_coroutine",
     issue = "43122",
     reason = "coroutines are unstable"
 )]
-pub use self::sources::from_coroutine;
-#[stable(feature = "iter_empty", since = "1.2.0")]
-pub use self::sources::{Empty, empty};
+pub use self::sources::{FromCoroutine, from_coroutine};
 #[stable(feature = "iter_from_fn", since = "1.34.0")]
 pub use self::sources::{FromFn, from_fn};
 #[stable(feature = "iter_once", since = "1.2.0")]

core/src/iter/sources.rs

@@ -15,7 +15,7 @@ pub use self::empty::{Empty, empty};
     issue = "43122",
     reason = "coroutines are unstable"
 )]
-pub use self::from_coroutine::from_coroutine;
+pub use self::from_coroutine::{FromCoroutine, from_coroutine};
 #[stable(feature = "iter_from_fn", since = "1.34.0")]
 pub use self::from_fn::{FromFn, from_fn};
 #[stable(feature = "iter_once", since = "1.2.0")]

core/src/num/niche_types.rs

@@ -32,6 +32,16 @@ macro_rules! define_valid_range_type {
         };
 
         impl $name {
+            #[inline]
+            pub const fn new(val: $int) -> Option<Self> {
+                if (val as $uint) >= ($low as $uint) && (val as $uint) <= ($high as $uint) {
+                    // SAFETY: just checked the inclusive range
+                    Some(unsafe { $name(val) })
+                } else {
+                    None
+                }
+            }
+
             /// Constructs an instance of this type from the underlying integer
             /// primitive without checking whether its zero.
             ///

coretests/tests/ascii_char.rs

@@ -26,3 +26,15 @@ fn test_debug_control() {
         assert_eq!(want, format!("{chr:?}"), "byte: {byte}");
     }
 }
+
+/// Tests Extend implementation for ascii::Char.
+#[test]
+fn test_extend() {
+    let mut s = String::from("abc");
+    s.extend_one(Char::SmallD);
+    assert_eq!(s, String::from("abcd"));
+
+    let mut s = String::from("abc");
+    s.extend(Char::CapitalA..=Char::CapitalC);
+    assert_eq!(s, String::from("abcABC"));
+}

coretests/tests/lib.rs

@@ -27,6 +27,7 @@
 #![feature(duration_constructors)]
 #![feature(error_generic_member_access)]
 #![feature(exact_size_is_empty)]
+#![feature(extend_one)]
 #![feature(extern_types)]
 #![feature(float_minimum_maximum)]
 #![feature(flt2dec)]

std/src/io/impls.rs

@@ -45,6 +45,7 @@ impl<R: Read + ?Sized> Read for &mut R {
     fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
         (**self).read_exact(buf)
     }
+
     #[inline]
     fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> io::Result<()> {
         (**self).read_buf_exact(cursor)
@@ -77,6 +78,11 @@ impl<W: Write + ?Sized> Write for &mut W {
         (**self).write_all(buf)
     }
 
+    #[inline]
+    fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
+        (**self).write_all_vectored(bufs)
+    }
+
     #[inline]
     fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> io::Result<()> {
         (**self).write_fmt(fmt)
@@ -89,10 +95,25 @@ impl<S: Seek + ?Sized> Seek for &mut S {
         (**self).seek(pos)
     }
 
+    #[inline]
+    fn rewind(&mut self) -> io::Result<()> {
+        (**self).rewind()
+    }
+
+    #[inline]
+    fn stream_len(&mut self) -> io::Result<u64> {
+        (**self).stream_len()
+    }
+
     #[inline]
     fn stream_position(&mut self) -> io::Result<u64> {
         (**self).stream_position()
     }
+
+    #[inline]
+    fn seek_relative(&mut self, offset: i64) -> io::Result<()> {
+        (**self).seek_relative(offset)
+    }
 }
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<B: BufRead + ?Sized> BufRead for &mut B {
@@ -106,11 +127,21 @@ impl<B: BufRead + ?Sized> BufRead for &mut B {
         (**self).consume(amt)
     }
 
+    #[inline]
+    fn has_data_left(&mut self) -> io::Result<bool> {
+        (**self).has_data_left()
+    }
+
     #[inline]
     fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
         (**self).read_until(byte, buf)
     }
 
+    #[inline]
+    fn skip_until(&mut self, byte: u8) -> io::Result<usize> {
+        (**self).skip_until(byte)
+    }
+
     #[inline]
     fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
         (**self).read_line(buf)
@@ -153,6 +184,7 @@ impl<R: Read + ?Sized> Read for Box<R> {
     fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
         (**self).read_exact(buf)
     }
+
     #[inline]
     fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> io::Result<()> {
         (**self).read_buf_exact(cursor)
@@ -185,6 +217,11 @@ impl<W: Write + ?Sized> Write for Box<W> {
         (**self).write_all(buf)
     }
 
+    #[inline]
+    fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> io::Result<()> {
+        (**self).write_all_vectored(bufs)
+    }
+
     #[inline]
     fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> io::Result<()> {
         (**self).write_fmt(fmt)
@@ -197,10 +234,25 @@ impl<S: Seek + ?Sized> Seek for Box<S> {
         (**self).seek(pos)
     }
 
+    #[inline]
+    fn rewind(&mut self) -> io::Result<()> {
+        (**self).rewind()
+    }
+
+    #[inline]
+    fn stream_len(&mut self) -> io::Result<u64> {
+        (**self).stream_len()
+    }
+
     #[inline]
     fn stream_position(&mut self) -> io::Result<u64> {
         (**self).stream_position()
     }
+
+    #[inline]
+    fn seek_relative(&mut self, offset: i64) -> io::Result<()> {
+        (**self).seek_relative(offset)
+    }
 }
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<B: BufRead + ?Sized> BufRead for Box<B> {
@@ -214,11 +266,21 @@ impl<B: BufRead + ?Sized> BufRead for Box<B> {
         (**self).consume(amt)
     }
 
+    #[inline]
+    fn has_data_left(&mut self) -> io::Result<bool> {
+        (**self).has_data_left()
+    }
+
     #[inline]
     fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> io::Result<usize> {
         (**self).read_until(byte, buf)
     }
 
+    #[inline]
+    fn skip_until(&mut self, byte: u8) -> io::Result<usize> {
+        (**self).skip_until(byte)
+    }
+
     #[inline]
     fn read_line(&mut self, buf: &mut String) -> io::Result<usize> {
         (**self).read_line(buf)

std/src/os/fd/owned.rs

@@ -67,13 +67,11 @@ impl BorrowedFd<'_> {
     /// The resource pointed to by `fd` must remain open for the duration of
     /// the returned `BorrowedFd`, and it must not have the value `-1`.
     #[inline]
+    #[track_caller]
     #[rustc_const_stable(feature = "io_safety", since = "1.63.0")]
     #[stable(feature = "io_safety", since = "1.63.0")]
     pub const unsafe fn borrow_raw(fd: RawFd) -> Self {
-        assert!(fd != u32::MAX as RawFd);
-        // SAFETY: we just asserted that the value is in the valid range and isn't `-1` (the only value bigger than `0xFF_FF_FF_FE` unsigned)
-        let fd = unsafe { ValidRawFd::new_unchecked(fd) };
-        Self { fd, _phantom: PhantomData }
+        Self { fd: ValidRawFd::new(fd).expect("fd != -1"), _phantom: PhantomData }
     }
 }
 
@@ -154,11 +152,9 @@ impl FromRawFd for OwnedFd {
     ///
     /// [io-safety]: io#io-safety
     #[inline]
+    #[track_caller]
     unsafe fn from_raw_fd(fd: RawFd) -> Self {
-        assert_ne!(fd, u32::MAX as RawFd);
-        // SAFETY: we just asserted that the value is in the valid range and isn't `-1` (the only value bigger than `0xFF_FF_FF_FE` unsigned)
-        let fd = unsafe { ValidRawFd::new_unchecked(fd) };
-        Self { fd }
+        Self { fd: ValidRawFd::new(fd).expect("fd != -1") }
     }
 }
 

std/src/os/solid/io.rs

@@ -101,12 +101,9 @@ impl BorrowedFd<'_> {
     /// the returned `BorrowedFd`, and it must not have the value
     /// `SOLID_NET_INVALID_FD`.
     #[inline]
+    #[track_caller]
     pub const unsafe fn borrow_raw(fd: RawFd) -> Self {
-        assert!(fd != -1 as RawFd);
-        // SAFETY: we just asserted that the value is in the valid range and
-        // isn't `-1` (the only value bigger than `0xFF_FF_FF_FE` unsigned)
-        let fd = unsafe { ValidRawFd::new_unchecked(fd) };
-        Self { fd, _phantom: PhantomData }
+        Self { fd: ValidRawFd::new(fd).expect("fd != -1"), _phantom: PhantomData }
     }
 }
 
@@ -156,12 +153,9 @@ impl FromRawFd for OwnedFd {
     /// The resource pointed to by `fd` must be open and suitable for assuming
     /// ownership. The resource must not require any cleanup other than `close`.
     #[inline]
+    #[track_caller]
     unsafe fn from_raw_fd(fd: RawFd) -> Self {
-        assert_ne!(fd, -1 as RawFd);
-        // SAFETY: we just asserted that the value is in the valid range and
-        // isn't `-1` (the only value bigger than `0xFF_FF_FF_FE` unsigned)
-        let fd = unsafe { ValidRawFd::new_unchecked(fd) };
-        Self { fd }
+        Self { fd: ValidRawFd::new(fd).expect("fd != -1") }
     }
 }
 

std/src/os/windows/io/socket.rs

@@ -58,12 +58,11 @@ impl BorrowedSocket<'_> {
     /// the returned `BorrowedSocket`, and it must not have the value
     /// `INVALID_SOCKET`.
     #[inline]
+    #[track_caller]
     #[rustc_const_stable(feature = "io_safety", since = "1.63.0")]
     #[stable(feature = "io_safety", since = "1.63.0")]
     pub const unsafe fn borrow_raw(socket: RawSocket) -> Self {
-        assert!(socket != sys::c::INVALID_SOCKET as RawSocket);
-        let socket = unsafe { ValidRawSocket::new_unchecked(socket) };
-        Self { socket, _phantom: PhantomData }
+        Self { socket: ValidRawSocket::new(socket).expect("socket != -1"), _phantom: PhantomData }
     }
 }
 
@@ -185,10 +184,9 @@ impl IntoRawSocket for OwnedSocket {
 #[stable(feature = "io_safety", since = "1.63.0")]
 impl FromRawSocket for OwnedSocket {
     #[inline]
+    #[track_caller]
     unsafe fn from_raw_socket(socket: RawSocket) -> Self {
-        debug_assert_ne!(socket, sys::c::INVALID_SOCKET as RawSocket);
-        let socket = unsafe { ValidRawSocket::new_unchecked(socket) };
-        Self { socket }
+        Self { socket: ValidRawSocket::new(socket).expect("socket != -1") }
     }
 }