Auto merge of #72716 - Dylan-DPC:rollup-wdj97ab, r=Dylan-DPC

Rollup of 12 pull requests

Successful merges:

 - #72239 (Implement PartialOrd and Ord for SocketAddr*)
 - #72466 (Stabilize str_strip feature)
 - #72605 (Add working example for E0617 explanation)
 - #72636 (Cleanup `Resolver::<clone|into>_outputs` methods)
 - #72645 (Add myself to .mailmap)
 - #72667 (expand unaligned_references test)
 - #72670 (Fix incorrect comment in generator test)
 - #72674 (Clippy should always build)
 - #72682 (Add test for #66930)
 - #72695 (update data layout for illumos x86)
 - #72697 (Remove rustc-ux-guidelines)
 - #72702 (rustc_lint: Remove `unused_crate_dependencies` from the `unused` group)

Failed merges:

r? @ghost

Author: bors

.mailmap

@@ -70,6 +70,8 @@ David Manescu <david.manescu@gmail.com> <dman2626@uni.sydney.edu.au>
 David Ross <daboross@daboross.net>
 Derek Chiang <derekchiang93@gmail.com> Derek Chiang (Enchi Jiang) <derekchiang93@gmail.com>
 Diggory Hardy <diggory.hardy@gmail.com> Diggory Hardy <github@dhardy.name>
+Donough Liu <ldm2993593805@163.com> <donoughliu@gmail.com>
+Donough Liu <ldm2993593805@163.com> DingMing Liu <liudingming@bupt.edu.cn>
 Dustin Bensing <dustin.bensing@googlemail.com>
 Dylan Braithwaite <dylanbraithwaite1@gmail.com> <mail@dylanb.me>
 Dzmitry Malyshau <kvarkus@gmail.com>

src/bootstrap/test.rs

@@ -516,45 +516,37 @@ impl Step for Clippy {
         let host = self.host;
         let compiler = builder.compiler(stage, host);
 
-        let clippy = builder.ensure(tool::Clippy {
+        let clippy = builder
+            .ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() })
+            .expect("in-tree tool");
+        let mut cargo = tool::prepare_tool_cargo(
+            builder,
             compiler,
-            target: self.host,
-            extra_features: Vec::new(),
-        });
-        if let Some(clippy) = clippy {
-            let mut cargo = tool::prepare_tool_cargo(
-                builder,
-                compiler,
-                Mode::ToolRustc,
-                host,
-                "test",
-                "src/tools/clippy",
-                SourceType::InTree,
-                &[],
-            );
+            Mode::ToolRustc,
+            host,
+            "test",
+            "src/tools/clippy",
+            SourceType::InTree,
+            &[],
+        );
 
-            // clippy tests need to know about the stage sysroot
-            cargo.env("SYSROOT", builder.sysroot(compiler));
-            cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
-            cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
-            let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
-            let target_libs = builder
-                .stage_out(compiler, Mode::ToolRustc)
-                .join(&self.host)
-                .join(builder.cargo_dir());
-            cargo.env("HOST_LIBS", host_libs);
-            cargo.env("TARGET_LIBS", target_libs);
-            // clippy tests need to find the driver
-            cargo.env("CLIPPY_DRIVER_PATH", clippy);
+        // clippy tests need to know about the stage sysroot
+        cargo.env("SYSROOT", builder.sysroot(compiler));
+        cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
+        cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
+        let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
+        let target_libs =
+            builder.stage_out(compiler, Mode::ToolRustc).join(&self.host).join(builder.cargo_dir());
+        cargo.env("HOST_LIBS", host_libs);
+        cargo.env("TARGET_LIBS", target_libs);
+        // clippy tests need to find the driver
+        cargo.env("CLIPPY_DRIVER_PATH", clippy);
 
-            cargo.arg("--").args(builder.config.cmd.test_args());
+        cargo.arg("--").args(builder.config.cmd.test_args());
 
-            builder.add_rustc_lib_path(compiler, &mut cargo);
+        builder.add_rustc_lib_path(compiler, &mut cargo);
 
-            try_run(builder, &mut cargo.into());
-        } else {
-            eprintln!("failed to test clippy: could not build");
-        }
+        try_run(builder, &mut cargo.into());
     }
 }
 

src/doc/rustc-ux-guidelines.md

@@ -4052,15 +4052,13 @@ impl str {
     /// # Examples
     ///
     /// ```
-    /// #![feature(str_strip)]
-    ///
     /// assert_eq!("foo:bar".strip_prefix("foo:"), Some("bar"));
     /// assert_eq!("foo:bar".strip_prefix("bar"), None);
     /// assert_eq!("foofoo".strip_prefix("foo"), Some("foo"));
     /// ```
     #[must_use = "this returns the remaining substring as a new slice, \
                   without modifying the original"]
-    #[unstable(feature = "str_strip", reason = "newly added", issue = "67302")]
+    #[stable(feature = "str_strip", since = "1.45.0")]
     pub fn strip_prefix<'a, P: Pattern<'a>>(&'a self, prefix: P) -> Option<&'a str> {
         prefix.strip_prefix_of(self)
     }
@@ -4082,14 +4080,13 @@ impl str {
     /// # Examples
     ///
     /// ```
-    /// #![feature(str_strip)]
     /// assert_eq!("bar:foo".strip_suffix(":foo"), Some("bar"));
     /// assert_eq!("bar:foo".strip_suffix("bar"), None);
     /// assert_eq!("foofoo".strip_suffix("foo"), Some("foo"));
     /// ```
     #[must_use = "this returns the remaining substring as a new slice, \
                   without modifying the original"]
-    #[unstable(feature = "str_strip", reason = "newly added", issue = "67302")]
+    #[stable(feature = "str_strip", since = "1.45.0")]
     pub fn strip_suffix<'a, P>(&'a self, suffix: P) -> Option<&'a str>
     where
         P: Pattern<'a>,

src/libcore/str/mod.rs

@@ -17,3 +17,14 @@ Certain Rust types must be cast before passing them to a variadic function,
 because of arcane ABI rules dictated by the C standard. To fix the error,
 cast the value to the type specified by the error message (which you may need
 to import from `std::os::raw`).
+
+In this case, `c_double` has the same size as `f64` so we can use it directly:
+
+```no_run
+# extern {
+#     fn printf(c: *const i8, ...);
+# }
+unsafe {
+    printf(::std::ptr::null(), 0f64); // ok!
+}
+```

src/librustc_error_codes/error_codes/E0617.md

@@ -10,7 +10,6 @@ pub use rustc_ast::ast::{CaptureBy, Movability, Mutability};
 use rustc_ast::ast::{InlineAsmOptions, InlineAsmTemplatePiece};
 use rustc_ast::node_id::NodeMap;
 use rustc_ast::util::parser::ExprPrecedence;
-use rustc_data_structures::fx::FxHashSet;
 use rustc_data_structures::sync::{par_for_each_in, Send, Sync};
 use rustc_macros::HashStable_Generic;
 use rustc_span::source_map::{SourceMap, Spanned};
@@ -2664,10 +2663,6 @@ impl<ID> TraitCandidate<ID> {
 // Trait method resolution
 pub type TraitMap<ID = HirId> = NodeMap<Vec<TraitCandidate<ID>>>;
 
-// Map from the NodeId of a glob import to a list of items which are actually
-// imported.
-pub type GlobMap = NodeMap<FxHashSet<Symbol>>;
-
 #[derive(Copy, Clone, Debug, HashStable_Generic)]
 pub enum Node<'hir> {
     Param(&'hir Param<'hir>),

src/librustc_hir/hir.rs

@@ -276,7 +276,6 @@ fn register_builtins(store: &mut LintStore, no_interleave_lints: bool) {
         UNUSED_ALLOCATION,
         UNUSED_DOC_COMMENTS,
         UNUSED_EXTERN_CRATES,
-        UNUSED_CRATE_DEPENDENCIES,
         UNUSED_FEATURES,
         UNUSED_LABELS,
         UNUSED_PARENS,

src/librustc_lint/lib.rs

@@ -169,7 +169,6 @@ impl<'hir> Map<'hir> {
         })
     }
 
-    // FIXME(eddyb) this function can and should return `LocalDefId`.
     #[inline]
     pub fn local_def_id(&self, hir_id: HirId) -> LocalDefId {
         self.opt_local_def_id(hir_id).unwrap_or_else(|| {
@@ -192,11 +191,6 @@ impl<'hir> Map<'hir> {
         self.tcx.definitions.opt_local_def_id(node)
     }
 
-    #[inline]
-    pub fn as_local_node_id(&self, def_id: DefId) -> Option<NodeId> {
-        self.tcx.definitions.as_local_node_id(def_id)
-    }
-
     #[inline]
     pub fn as_local_hir_id(&self, def_id: LocalDefId) -> HirId {
         self.tcx.definitions.as_local_hir_id(def_id)

src/librustc_middle/hir/map/mod.rs

@@ -973,7 +973,9 @@ rustc_queries! {
             desc { "fetching what a crate is named" }
         }
         query item_children(_: DefId) -> &'tcx [Export<hir::HirId>] {}
-        query extern_mod_stmt_cnum(_: DefId) -> Option<CrateNum> {}
+        query extern_mod_stmt_cnum(_: LocalDefId) -> Option<CrateNum> {
+            desc { "fetching extern module statement" }
+        }
 
         query get_lib_features(_: CrateNum) -> LibFeatures {
             storage(ArenaCacheSelector<'tcx>)
@@ -1040,7 +1042,7 @@ rustc_queries! {
             desc { |tcx| "maybe_unused_trait_import for `{}`", tcx.def_path_str(def_id.to_def_id()) }
         }
         query maybe_unused_extern_crates(_: CrateNum)
-            -> &'tcx [(DefId, Span)] {
+            -> &'tcx [(LocalDefId, Span)] {
             eval_always
             desc { "looking up all possibly unused extern crates" }
         }

src/librustc_middle/query/mod.rs

@@ -925,7 +925,7 @@ pub struct GlobalCtxt<'tcx> {
     pub consts: CommonConsts<'tcx>,
 
     /// Resolutions of `extern crate` items produced by resolver.
-    extern_crate_map: FxHashMap<DefId, CrateNum>,
+    extern_crate_map: FxHashMap<LocalDefId, CrateNum>,
 
     /// Map indicating what traits are in scope for places where this
     /// is relevant; generated by resolve.
@@ -944,7 +944,7 @@ pub struct GlobalCtxt<'tcx> {
     pub queries: query::Queries<'tcx>,
 
     maybe_unused_trait_imports: FxHashSet<LocalDefId>,
-    maybe_unused_extern_crates: Vec<(DefId, Span)>,
+    maybe_unused_extern_crates: Vec<(LocalDefId, Span)>,
     /// A map of glob use to a set of names it actually imports. Currently only
     /// used in save-analysis.
     glob_map: FxHashMap<LocalDefId, FxHashSet<Symbol>>,