rust-lang · Dylan-DPC-zz · Jul 10, 2020 · Jul 10, 2020 · Jul 15, 2020 · Jul 15, 2020
diff --git a/library/core/src/convert/mod.rs b/library/core/src/convert/mod.rs
@@ -385,6 +385,7 @@ pub trait Into<T>: Sized {
 ))]
 pub trait From<T>: Sized {
     /// Performs the conversion.
+    #[cfg_attr(not(bootstrap), lang = "from")]
     #[stable(feature = "rust1", since = "1.0.0")]
     fn from(_: T) -> Self;
 }

diff --git a/library/core/src/future/future.rs b/library/core/src/future/future.rs
@@ -96,6 +96,7 @@ pub trait Future {
     /// [`Context`]: ../task/struct.Context.html
     /// [`Waker`]: ../task/struct.Waker.html
     /// [`Waker::wake`]: ../task/struct.Waker.html#method.wake
+    #[cfg_attr(not(bootstrap), lang = "poll")]
     #[stable(feature = "futures_api", since = "1.36.0")]
     fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>;
 }

diff --git a/library/core/src/future/mod.rs b/library/core/src/future/mod.rs
@@ -53,6 +53,7 @@ unsafe impl Sync for ResumeTy {}
 /// This function returns a `GenFuture` underneath, but hides it in `impl Trait` to give
 /// better error messages (`impl Future` rather than `GenFuture<[closure.....]>`).
 // This is `const` to avoid extra errors after we recover from `const async fn`
+#[cfg_attr(not(bootstrap), lang = "from_generator")]
 #[doc(hidden)]
 #[unstable(feature = "gen_future", issue = "50547")]
 #[inline]
@@ -85,6 +86,7 @@ where
     GenFuture(gen)
 }
 
+#[cfg_attr(not(bootstrap), lang = "get_context")]
 #[doc(hidden)]
 #[unstable(feature = "gen_future", issue = "50547")]
 #[inline]

diff --git a/library/core/src/hint.rs b/library/core/src/hint.rs
@@ -24,7 +24,6 @@ use crate::intrinsics;
 /// Otherwise, consider using the [`unreachable!`] macro, which does not allow
 /// optimizations but will panic when executed.
 ///
-/// [`unreachable!`]: ../macro.unreachable.html
 ///
 /// # Example
 ///
@@ -61,7 +60,7 @@ pub const unsafe fn unreachable_unchecked() -> ! {
 /// **Note**: On platforms that do not support receiving spin-loop hints this function does not
 /// do anything at all.
 ///
-/// [`core::sync::atomic::spin_loop_hint`]: ../sync/atomic/fn.spin_loop_hint.html
+/// [`core::sync::atomic::spin_loop_hint`]: crate::sync::atomic::spin_loop_hint
 #[inline]
 #[unstable(feature = "renamed_spin_loop", issue = "55002")]
 pub fn spin_loop() {

diff --git a/library/core/src/iter/traits/collect.rs b/library/core/src/iter/traits/collect.rs
@@ -235,6 +235,7 @@ pub trait IntoIterator {
     /// assert_eq!(Some(3), iter.next());
     /// assert_eq!(None, iter.next());
     /// ```
+    #[cfg_attr(not(bootstrap), lang = "into_iter")]
     #[stable(feature = "rust1", since = "1.0.0")]
     fn into_iter(self) -> Self::IntoIter;
 }

diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs
@@ -129,6 +129,7 @@ pub trait Iterator {
     /// assert_eq!(None, iter.next());
     /// assert_eq!(None, iter.next());
     /// ```
+    #[cfg_attr(not(bootstrap), lang = "next")]
     #[stable(feature = "rust1", since = "1.0.0")]
     fn next(&mut self) -> Option<Self::Item>;
 

diff --git a/library/core/src/ops/range.rs b/library/core/src/ops/range.rs
@@ -38,6 +38,7 @@ use crate::hash::Hash;
 /// [`IntoIterator`]: ../iter/trait.Iterator.html
 /// [`Iterator`]: ../iter/trait.IntoIterator.html
 /// [slicing index]: ../slice/trait.SliceIndex.html
+#[cfg_attr(not(bootstrap), lang = "RangeFull")]
 #[doc(alias = "..")]
 #[derive(Copy, Clone, Default, PartialEq, Eq, Hash)]
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -70,6 +71,7 @@ impl fmt::Debug for RangeFull {
 /// assert_eq!(arr[1.. 3], [  1,2    ]);  // Range
 /// assert_eq!(arr[1..=3], [  1,2,3  ]);
 /// ```
+#[cfg_attr(not(bootstrap), lang = "Range")]
 #[doc(alias = "..")]
 #[derive(Clone, Default, PartialEq, Eq, Hash)] // not Copy -- see #27186
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -178,6 +180,7 @@ impl<Idx: PartialOrd<Idx>> Range<Idx> {
 /// ```
 ///
 /// [`Iterator`]: ../iter/trait.IntoIterator.html
+#[cfg_attr(not(bootstrap), lang = "RangeFrom")]
 #[doc(alias = "..")]
 #[derive(Clone, PartialEq, Eq, Hash)] // not Copy -- see #27186
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -260,6 +263,7 @@ impl<Idx: PartialOrd<Idx>> RangeFrom<Idx> {
 /// [`IntoIterator`]: ../iter/trait.Iterator.html
 /// [`Iterator`]: ../iter/trait.IntoIterator.html
 /// [slicing index]: ../slice/trait.SliceIndex.html
+#[cfg_attr(not(bootstrap), lang = "RangeTo")]
 #[doc(alias = "..")]
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -328,6 +332,7 @@ impl<Idx: PartialOrd<Idx>> RangeTo<Idx> {
 /// assert_eq!(arr[1.. 3], [  1,2    ]);
 /// assert_eq!(arr[1..=3], [  1,2,3  ]);  // RangeInclusive
 /// ```
+#[cfg_attr(not(bootstrap), lang = "RangeInclusive")]
 #[doc(alias = "..=")]
 #[derive(Clone, PartialEq, Eq, Hash)] // not Copy -- see #27186
 #[stable(feature = "inclusive_range", since = "1.26.0")]
@@ -359,6 +364,7 @@ impl<Idx> RangeInclusive<Idx> {
     ///
     /// assert_eq!(3..=5, RangeInclusive::new(3, 5));
     /// ```
+    #[cfg_attr(not(bootstrap), lang = "range_inclusive_new")]
     #[stable(feature = "inclusive_range_methods", since = "1.27.0")]
     #[inline]
     #[rustc_promotable]
@@ -555,6 +561,7 @@ impl<Idx: PartialOrd<Idx>> RangeInclusive<Idx> {
 /// [`IntoIterator`]: ../iter/trait.Iterator.html
 /// [`Iterator`]: ../iter/trait.IntoIterator.html
 /// [slicing index]: ../slice/trait.SliceIndex.html
+#[cfg_attr(not(bootstrap), lang = "RangeToInclusive")]
 #[doc(alias = "..=")]
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
 #[stable(feature = "inclusive_range", since = "1.26.0")]

diff --git a/library/core/src/ops/try.rs b/library/core/src/ops/try.rs
@@ -43,16 +43,19 @@ pub trait Try {
     /// in the return type of the enclosing scope (which must itself implement
     /// `Try`). Specifically, the value `X::from_error(From::from(e))`
     /// is returned, where `X` is the return type of the enclosing function.
+    #[cfg_attr(not(bootstrap), lang = "into_result")]
     #[unstable(feature = "try_trait", issue = "42327")]
     fn into_result(self) -> Result<Self::Ok, Self::Error>;
 
     /// Wrap an error value to construct the composite result. For example,
     /// `Result::Err(x)` and `Result::from_error(x)` are equivalent.
+    #[cfg_attr(not(bootstrap), lang = "from_error")]
     #[unstable(feature = "try_trait", issue = "42327")]
     fn from_error(v: Self::Error) -> Self;
 
     /// Wrap an OK value to construct the composite result. For example,
     /// `Result::Ok(x)` and `Result::from_ok(x)` are equivalent.
+    #[cfg_attr(not(bootstrap), lang = "from_ok")]
     #[unstable(feature = "try_trait", issue = "42327")]
     fn from_ok(v: Self::Ok) -> Self;
 }
diff --git a/library/core/src/option.rs b/library/core/src/option.rs
@@ -144,9 +144,11 @@ use crate::{
 #[stable(feature = "rust1", since = "1.0.0")]
 pub enum Option<T> {
     /// No value
+    #[cfg_attr(not(bootstrap), lang = "None")]
     #[stable(feature = "rust1", since = "1.0.0")]
     None,
     /// Some value `T`
+    #[cfg_attr(not(bootstrap), lang = "Some")]
     #[stable(feature = "rust1", since = "1.0.0")]
     Some(#[stable(feature = "rust1", since = "1.0.0")] T),
 }

diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs
@@ -562,6 +562,7 @@ impl<P: Deref> Pin<P> {
     ///  ```
     ///
     /// [`mem::swap`]: ../../std/mem/fn.swap.html
+    #[cfg_attr(not(bootstrap), lang = "new_unchecked")]
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
     pub unsafe fn new_unchecked(pointer: P) -> Pin<P> {

diff --git a/library/core/src/result.rs b/library/core/src/result.rs
@@ -246,10 +246,12 @@ use crate::{convert, fmt};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub enum Result<T, E> {
     /// Contains the success value
+    #[cfg_attr(not(bootstrap), lang = "Ok")]
     #[stable(feature = "rust1", since = "1.0.0")]
     Ok(#[stable(feature = "rust1", since = "1.0.0")] T),
 
     /// Contains the error value
+    #[cfg_attr(not(bootstrap), lang = "Err")]
     #[stable(feature = "rust1", since = "1.0.0")]
     Err(#[stable(feature = "rust1", since = "1.0.0")] E),
 }

diff --git a/library/core/src/task/poll.rs b/library/core/src/task/poll.rs
@@ -10,6 +10,7 @@ use crate::result::Result;
 #[stable(feature = "futures_api", since = "1.36.0")]
 pub enum Poll<T> {
     /// Represents that a value is immediately ready.
+    #[cfg_attr(not(bootstrap), lang = "Ready")]
     #[stable(feature = "futures_api", since = "1.36.0")]
     Ready(#[stable(feature = "futures_api", since = "1.36.0")] T),
 
@@ -18,6 +19,7 @@ pub enum Poll<T> {
     /// When a function returns `Pending`, the function *must* also
     /// ensure that the current task is scheduled to be awoken when
     /// progress can be made.
+    #[cfg_attr(not(bootstrap), lang = "Pending")]
     #[stable(feature = "futures_api", since = "1.36.0")]
     Pending,
 }

diff --git a/library/std/src/sys/windows/ext/ffi.rs b/library/std/src/sys/windows/ext/ffi.rs
@@ -30,13 +30,13 @@
 //! [`OsString`] is the Rust wrapper for owned strings in the
 //! preferred representation of the operating system. On Windows,
 //! this struct gets augmented with an implementation of the
-//! [`OsStringExt`] trait, which has a [`from_wide`] method. This
+//! [`OsStringExt`] trait, which has a [`OsStringExt::from_wide`] method. This
 //! lets you create an [`OsString`] from a `&[u16]` slice; presumably
 //! you get such a slice out of a `WCHAR` Windows API.
 //!
 //! Similarly, [`OsStr`] is the Rust wrapper for borrowed strings from
 //! preferred representation of the operating system. On Windows, the
-//! [`OsStrExt`] trait provides the [`encode_wide`] method, which
+//! [`OsStrExt`] trait provides the [`OsStrExt::encode_wide`] method, which
 //! outputs an [`EncodeWide`] iterator. You can [`collect`] this
 //! iterator, for example, to obtain a `Vec<u16>`; you can later get a
 //! pointer to this vector's contents and feed it to Windows APIs.
@@ -47,15 +47,8 @@
 //! ill-formed UTF-16.
 //!
 //! [ill-formed-utf-16]: https://simonsapin.github.io/wtf-8/#ill-formed-utf-16
-//! [`OsString`]: ../../../ffi/struct.OsString.html
-//! [`OsStr`]: ../../../ffi/struct.OsStr.html
-//! [`OsStringExt`]: trait.OsStringExt.html
-//! [`OsStrExt`]: trait.OsStrExt.html
-//! [`EncodeWide`]: struct.EncodeWide.html
-//! [`from_wide`]: trait.OsStringExt.html#tymethod.from_wide
-//! [`encode_wide`]: trait.OsStrExt.html#tymethod.encode_wide
-//! [`collect`]: ../../../iter/trait.Iterator.html#method.collect
-//! [U+FFFD]: ../../../char/constant.REPLACEMENT_CHARACTER.html
+//! [`collect`]: crate::iter::Iterator::collect
+//! [U+FFFD]: crate::char::REPLACEMENT_CHARACTER
 
 #![stable(feature = "rust1", since = "1.0.0")]
 
@@ -68,14 +61,12 @@ use crate::sys_common::{AsInner, FromInner};
 pub use crate::sys_common::wtf8::EncodeWide;
 
 /// Windows-specific extensions to [`OsString`].
-///
-/// [`OsString`]: ../../../../std/ffi/struct.OsString.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStringExt {
     /// Creates an `OsString` from a potentially ill-formed UTF-16 slice of
     /// 16-bit code units.
     ///
-    /// This is lossless: calling [`encode_wide`] on the resulting string
+    /// This is lossless: calling [`OsStrExt::encode_wide`] on the resulting string
     /// will always return the original code units.
     ///
     /// # Examples
@@ -89,8 +80,6 @@ pub trait OsStringExt {
     ///
     /// let string = OsString::from_wide(&source[..]);
     /// ```
-    ///
-    /// [`encode_wide`]: ./trait.OsStrExt.html#tymethod.encode_wide
     #[stable(feature = "rust1", since = "1.0.0")]
     fn from_wide(wide: &[u16]) -> Self;
 }
@@ -103,14 +92,12 @@ impl OsStringExt for OsString {
 }
 
 /// Windows-specific extensions to [`OsStr`].
-///
-/// [`OsStr`]: ../../../../std/ffi/struct.OsStr.html
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait OsStrExt {
     /// Re-encodes an `OsStr` as a wide character sequence, i.e., potentially
     /// ill-formed UTF-16.
     ///
-    /// This is lossless: calling [`OsString::from_wide`] and then
+    /// This is lossless: calling [`OsStringExt::from_wide`] and then
     /// `encode_wide` on the result will yield the original code units.
     /// Note that the encoding does not add a final null terminator.
     ///
@@ -128,8 +115,6 @@ pub trait OsStrExt {
     /// let result: Vec<u16> = string.encode_wide().collect();
     /// assert_eq!(&source[..], &result[..]);
     /// ```
-    ///
-    /// [`OsString::from_wide`]: ./trait.OsStringExt.html#tymethod.from_wide
     #[stable(feature = "rust1", since = "1.0.0")]
     fn encode_wide(&self) -> EncodeWide<'_>;
 }

diff --git a/library/std/src/sys/windows/ext/fs.rs b/library/std/src/sys/windows/ext/fs.rs
@@ -8,9 +8,7 @@ use crate::path::Path;
 use crate::sys;
 use crate::sys_common::{AsInner, AsInnerMut};
 
-/// Windows-specific extensions to [`File`].
-///
-/// [`File`]: ../../../fs/struct.File.html
+/// Windows-specific extensions to [`fs::File`].
 #[stable(feature = "file_offset", since = "1.15.0")]
 pub trait FileExt {
     /// Seeks to a given position and reads a number of bytes.
@@ -94,8 +92,6 @@ impl FileExt for fs::File {
 }
 
 /// Windows-specific extensions to [`fs::OpenOptions`].
-///
-/// [`fs::OpenOptions`]: ../../../../std/fs/struct.OpenOptions.html
 #[stable(feature = "open_options_ext", since = "1.10.0")]
 pub trait OpenOptionsExt {
     /// Overrides the `dwDesiredAccess` argument to the call to [`CreateFile`]
@@ -295,7 +291,6 @@ impl OpenOptionsExt for OpenOptions {
 /// The data members that this trait exposes correspond to the members
 /// of the [`BY_HANDLE_FILE_INFORMATION`] structure.
 ///
-/// [`fs::Metadata`]: ../../../../std/fs/struct.Metadata.html
 /// [`BY_HANDLE_FILE_INFORMATION`]:
 ///     https://docs.microsoft.com/en-us/windows/win32/api/fileapi/ns-fileapi-by_handle_file_information
 #[stable(feature = "metadata_ext", since = "1.1.0")]
@@ -499,11 +494,9 @@ impl MetadataExt for Metadata {
     }
 }
 
-/// Windows-specific extensions to [`FileType`].
+/// Windows-specific extensions to [`fs::FileType`].
 ///
 /// On Windows, a symbolic link knows whether it is a file or directory.
-///
-/// [`FileType`]: ../../../../std/fs/struct.FileType.html
 #[unstable(feature = "windows_file_type_ext", issue = "none")]
 pub trait FileTypeExt {
     /// Returns `true` if this file type is a symbolic link that is also a directory.

diff --git a/library/std/src/sys/windows/ext/process.rs b/library/std/src/sys/windows/ext/process.rs
@@ -73,8 +73,6 @@ impl IntoRawHandle for process::ChildStderr {
 }
 
 /// Windows-specific extensions to [`process::ExitStatus`].
-///
-/// [`process::ExitStatus`]: ../../../../std/process/struct.ExitStatus.html
 #[stable(feature = "exit_status_from", since = "1.12.0")]
 pub trait ExitStatusExt {
     /// Creates a new `ExitStatus` from the raw underlying `u32` return value of
@@ -91,8 +89,6 @@ impl ExitStatusExt for process::ExitStatus {
 }
 
 /// Windows-specific extensions to the [`process::Command`] builder.
-///
-/// [`process::Command`]: ../../../../std/process/struct.Command.html
 #[stable(feature = "windows_process_extensions", since = "1.16.0")]
 pub trait CommandExt {
     /// Sets the [process creation flags][1] to be passed to `CreateProcess`.

diff --git a/src/ci/docker/scripts/emscripten.sh b/src/ci/docker/scripts/emscripten.sh
@@ -19,5 +19,5 @@ exit 1
 
 git clone https://github.com/emscripten-core/emsdk.git /emsdk-portable
 cd /emsdk-portable
-hide_output ./emsdk install 1.38.46-upstream
-./emsdk activate 1.38.46-upstream
+hide_output ./emsdk install 1.38.47-upstream
+./emsdk activate 1.38.47-upstream