Auto merge of rust-lang#126144 - fmease:rollup-i9pcdys, r=fmease

Rollup of 6 pull requests

Successful merges:

 - rust-lang#125951 (Stabilize `error_in_core`)
 - rust-lang#125998 (std::unix::fs::get_mode implementation for illumos/solaris.)
 - rust-lang#126057 (Make html rendered by rustdoc allow searching non-English identifier / alias)
 - rust-lang#126065 (mark binding undetermined if target name exist and not obtained)
 - rust-lang#126105 (Add debugging utils and comments to Fuchsia scripts)
 - rust-lang#126138 (Fix typo in docs for std::pin)

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

compiler/rustc_resolve/src/ident.rs

@@ -998,14 +998,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
             let Some(module) = single_import.imported_module.get() else {
                 return Err((Undetermined, Weak::No));
             };
-            let ImportKind::Single { source: ident, source_bindings, .. } = &single_import.kind
+            let ImportKind::Single { source: ident, target, target_bindings, .. } =
+                &single_import.kind
             else {
                 unreachable!();
             };
-            if binding.map_or(false, |binding| binding.module().is_some())
-                && source_bindings.iter().all(|binding| matches!(binding.get(), Err(Undetermined)))
-            {
-                // This branch allows the binding to be defined or updated later,
+            if (ident != target) && target_bindings.iter().all(|binding| binding.get().is_none()) {
+                // This branch allows the binding to be defined or updated later if the target name
+                // can hide the source but these bindings are not obtained.
                 // avoiding module inconsistency between the resolve process and the finalize process.
                 // See more details in #124840
                 return Err((Undetermined, Weak::No));

library/alloc/src/lib.rs

@@ -121,7 +121,6 @@
 #![feature(deref_pure_trait)]
 #![feature(dispatch_from_dyn)]
 #![feature(error_generic_member_access)]
-#![feature(error_in_core)]
 #![feature(exact_size_is_empty)]
 #![feature(extend_one)]
 #![feature(fmt_internals)]

library/core/src/error.rs

@@ -1,5 +1,5 @@
 #![doc = include_str!("error.md")]
-#![unstable(feature = "error_in_core", issue = "103765")]
+#![stable(feature = "error_in_core", since = "CURRENT_RUSTC_VERSION")]
 
 #[cfg(test)]
 mod tests;
@@ -130,7 +130,6 @@ pub trait Error: Debug + Display {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     /// use core::fmt;
     /// use core::error::{request_ref, Request};
     ///
@@ -361,8 +360,7 @@ impl dyn Error {
 /// Get a string value from an error.
 ///
 /// ```rust
-/// # #![feature(error_generic_member_access)]
-/// # #![feature(error_in_core)]
+/// #![feature(error_generic_member_access)]
 /// use std::error::Error;
 /// use core::error::request_value;
 ///
@@ -385,8 +383,7 @@ where
 /// Get a string reference from an error.
 ///
 /// ```rust
-/// # #![feature(error_generic_member_access)]
-/// # #![feature(error_in_core)]
+/// #![feature(error_generic_member_access)]
 /// use core::error::Error;
 /// use core::error::request_ref;
 ///
@@ -458,7 +455,6 @@ where
 ///
 /// ```
 /// #![feature(error_generic_member_access)]
-/// #![feature(error_in_core)]
 /// use core::fmt;
 /// use core::error::Request;
 /// use core::error::request_ref;
@@ -529,7 +525,6 @@ impl<'a> Request<'a> {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     ///
     /// use core::error::Request;
     ///
@@ -564,7 +559,6 @@ impl<'a> Request<'a> {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     ///
     /// use core::error::Request;
     ///
@@ -600,7 +594,6 @@ impl<'a> Request<'a> {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     ///
     /// use core::error::Request;
     ///
@@ -633,7 +626,6 @@ impl<'a> Request<'a> {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     ///
     /// use core::error::Request;
     ///
@@ -700,7 +692,6 @@ impl<'a> Request<'a> {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     ///
     /// use core::error::Request;
     /// use core::error::request_value;
@@ -788,7 +779,6 @@ impl<'a> Request<'a> {
     ///
     /// ```rust
     /// #![feature(error_generic_member_access)]
-    /// #![feature(error_in_core)]
     ///
     /// use core::error::Request;
     /// use core::error::request_ref;

library/core/src/pin.rs

@@ -184,7 +184,7 @@
 //! requires at least a level of pointer indirection each time a new object is added to the mix
 //! (and, practically, a heap allocation).
 //!
-//! Although there were other reason as well, this issue of expensive composition is the key thing
+//! Although there were other reasons as well, this issue of expensive composition is the key thing
 //! that drove Rust towards adopting a different model. It is particularly a problem
 //! when one considers, for example, the implications of composing together the [`Future`]s which
 //! will eventually make up an asynchronous task (including address-sensitive `async fn` state

library/core/tests/lib.rs

@@ -112,7 +112,6 @@
 #![feature(const_slice_from_ref)]
 #![feature(waker_getters)]
 #![feature(error_generic_member_access)]
-#![feature(error_in_core)]
 #![feature(trait_upcasting)]
 #![feature(is_ascii_octdigit)]
 #![feature(get_many_mut)]

library/std/src/lib.rs

@@ -324,7 +324,6 @@
 #![feature(core_io_borrowed_buf)]
 #![feature(duration_constants)]
 #![feature(error_generic_member_access)]
-#![feature(error_in_core)]
 #![feature(error_iter)]
 #![feature(exact_size_is_empty)]
 #![feature(exclusive_wrapper)]

library/std/src/sys/pal/unix/fs.rs

@@ -1561,6 +1561,8 @@ impl fmt::Debug for File {
             target_os = "netbsd",
             target_os = "openbsd",
             target_os = "vxworks",
+            target_os = "solaris",
+            target_os = "illumos",
             target_vendor = "apple",
         ))]
         fn get_mode(fd: c_int) -> Option<(bool, bool)> {
@@ -1583,6 +1585,8 @@ impl fmt::Debug for File {
             target_os = "netbsd",
             target_os = "openbsd",
             target_os = "vxworks",
+            target_os = "solaris",
+            target_os = "illumos",
             target_vendor = "apple",
         )))]
         fn get_mode(_fd: c_int) -> Option<(bool, bool)> {

src/ci/docker/host-x86_64/mingw-check/Dockerfile

@@ -61,8 +61,8 @@ ENV SCRIPT python3 ../x.py check --stage 0 --set build.optimized-compiler-builti
            /scripts/validate-toolstate.sh && \
            /scripts/validate-error-codes.sh && \
            reuse --include-submodules lint && \
-           # Runs checks to ensure that there are no ES5 issues in our JS code.
-           es-check es8 ../src/librustdoc/html/static/js/*.js && \
+           # Runs checks to ensure that there are no issues in our JS code.
+           es-check es2019 ../src/librustdoc/html/static/js/*.js && \
            eslint -c ../src/librustdoc/html/static/.eslintrc.js ../src/librustdoc/html/static/js/*.js && \
            eslint -c ../src/tools/rustdoc-js/.eslintrc.js ../src/tools/rustdoc-js/tester.js && \
            eslint -c ../src/tools/rustdoc-gui/.eslintrc.js ../src/tools/rustdoc-gui/tester.js

src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile

@@ -1,3 +1,6 @@
+# This job builds a toolchain capable of building Fuchsia, and then builds
+# Fuchsia. See the build-fuchsia.sh script in this directory for more details.
+
 FROM ubuntu:22.04
 
 ARG DEBIAN_FRONTEND=noninteractive

src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh

@@ -2,50 +2,87 @@
 
 # Downloads and builds the Fuchsia operating system using a toolchain installed
 # in $RUST_INSTALL_DIR.
+#
+# You may run this script locally using Docker with the following command:
+#
+# $ src/ci/docker/run.sh x86_64-gnu-integration
+#
+# Alternatively, from within the container with --dev, assuming you have made it
+# as far as building the toolchain with the above command:
+#
+# $ src/ci/docker/run.sh --dev x86_64-gnu-integration
+# docker# git config --global --add safe.directory /checkout/obj/fuchsia
+# docker# ../src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh
+#
+# Also see the docs in the rustc-dev-guide for more info:
+# https://github.com/rust-lang/rustc-dev-guide/pull/1989
 
 set -euf -o pipefail
 
-INTEGRATION_SHA=1011e3298775ee7cdf6f6dc73e808d6a86e33bd6
+# Set this variable to 1 to disable updating the Fuchsia checkout. This is
+# useful for making local changes. You can find the Fuchsia checkout in
+# `obj/x86_64-gnu-integration/fuchsia` in your local checkout after running this
+# job for the first time.
+KEEP_CHECKOUT=
+
+# Any upstream refs that should be cherry-picked. This can be used to include
+# Gerrit changes from https://fxrev.dev during development (click the "Download"
+# button on a changelist to see the cherry pick ref). Example:
+# PICK_REFS=(refs/changes/71/1054071/2 refs/changes/74/1054574/2)
 PICK_REFS=()
 
+# The commit hash of Fuchsia's integration.git to check out. This controls the
+# commit hash of fuchsia.git and some other repos in the "monorepo" checkout, in
+# addition to versions of prebuilts. It should be bumped regularly by the
+# Fuchsia team – we aim for every 1-2 months.
+INTEGRATION_SHA=1011e3298775ee7cdf6f6dc73e808d6a86e33bd6
+
 checkout=fuchsia
 jiri=.jiri_root/bin/jiri
 
 set -x
 
-# This script will:
-# - create a directory named "fuchsia" if it does not exist
-# - download "jiri" to "fuchsia/.jiri_root/bin"
-curl -s "https://fuchsia.googlesource.com/jiri/+/HEAD/scripts/bootstrap_jiri?format=TEXT" \
-    | base64 --decode \
-    | bash -s $checkout
-
-cd $checkout
-
-$jiri init \
-    -partial=true \
-    -analytics-opt=false \
-    .
-
-$jiri import \
-    -name=integration \
-    -revision=$INTEGRATION_SHA \
-    -overwrite=true \
-    flower \
-    "https://fuchsia.googlesource.com/integration"
-
-if [ -d ".git" ]; then
-    # Wipe out any local changes if we're reusing a checkout.
-    git checkout --force JIRI_HEAD
-fi
+if [ -z "$KEEP_CHECKOUT" ]; then
+    # This script will:
+    # - create a directory named "fuchsia" if it does not exist
+    # - download "jiri" to "fuchsia/.jiri_root/bin"
+    curl -s "https://fuchsia.googlesource.com/jiri/+/HEAD/scripts/bootstrap_jiri?format=TEXT" \
+        | base64 --decode \
+        | bash -s $checkout
 
-$jiri update -autoupdate=false
+    cd $checkout
 
-echo integration commit = $(git -C integration rev-parse HEAD)
+    $jiri init \
+        -partial=true \
+        -analytics-opt=false \
+        .
 
-for git_ref in "${PICK_REFS[@]}"; do
-    git fetch https://fuchsia.googlesource.com/fuchsia $git_ref
-    git cherry-pick --no-commit FETCH_HEAD
-done
+    $jiri import \
+        -name=integration \
+        -revision=$INTEGRATION_SHA \
+        -overwrite=true \
+        flower \
+        "https://fuchsia.googlesource.com/integration"
+
+    if [ -d ".git" ]; then
+        # Wipe out any local changes if we're reusing a checkout.
+        git checkout --force JIRI_HEAD
+    fi
+
+    $jiri update -autoupdate=false
+
+    echo integration commit = $(git -C integration rev-parse HEAD)
+
+    for git_ref in "${PICK_REFS[@]}"; do
+        git fetch https://fuchsia.googlesource.com/fuchsia $git_ref
+        git cherry-pick --no-commit FETCH_HEAD
+    done
+else
+    echo Reusing existing Fuchsia checkout
+    cd $checkout
+fi
 
+# Run the script inside the Fuchsia checkout responsible for building Fuchsia.
+# You can change arguments to the build by setting KEEP_CHECKOUT=1 above and
+# modifying them in build_fuchsia_from_rust_ci.sh.
 bash scripts/rust/build_fuchsia_from_rust_ci.sh

src/librustdoc/html/static/.eslintrc.js

@@ -5,7 +5,7 @@ module.exports = {
     },
     "extends": "eslint:recommended",
     "parserOptions": {
-        "ecmaVersion": 8,
+        "ecmaVersion": 2019,
         "sourceType": "module"
     },
     "rules": {

src/librustdoc/html/static/js/externs.js

@@ -41,8 +41,9 @@ let ParserState;
  *     foundElems: number,
  *     totalElems: number,
  *     literalSearch: boolean,
- *     corrections: Array<{from: string, to: integer}>,
+ *     corrections: Array<{from: string, to: integer}> | null,
  *     typeFingerprint: Uint32Array,
+ *     error: Array<string> | null,
  * }}
  */
 let ParsedQuery;