Auto merge of #132079 - fmease:rollup-agrd358, r=fmease

Rollup of 9 pull requests

Successful merges:

 - #130991 (Vectorized SliceContains)
 - #131928 (rustdoc: Document `markdown` module.)
 - #131955 (Set `signext` or `zeroext` for integer arguments on RISC-V and LoongArch64)
 - #131979 (Minor tweaks to `compare_impl_item.rs`)
 - #132036 (Add a test case for #131164)
 - #132039 (Specialize `read_exact` and `read_buf_exact` for `VecDeque`)
 - #132060 ("innermost", "outermost", "leftmost", and "rightmost" don't need hyphens)
 - #132065 (Clarify documentation of `ptr::dangling()` function)
 - #132066 (Fix a typo in documentation of `pointer::sub_ptr()`)

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

Author: bors

Diff for: compiler/rustc_codegen_gcc/src/type_of.rs

@@ -197,7 +197,7 @@ impl<'tcx> LayoutGccExt<'tcx> for TyAndLayout<'tcx> {
     /// `[T]` becomes `T`, while `str` and `Trait` turn into `i8` - this
     /// is useful for indexing slices, as `&[T]`'s data pointer is `T*`.
     /// If the type is an unsized struct, the regular layout is generated,
-    /// with the inner-most trailing unsized field using the "minimal unit"
+    /// with the innermost trailing unsized field using the "minimal unit"
     /// of that field's type - this is useful for taking the address of
     /// that field and ensuring the struct has the right alignment.
     fn gcc_type<'gcc>(&self, cx: &CodegenCx<'gcc, 'tcx>) -> Type<'gcc> {

Diff for: compiler/rustc_codegen_llvm/src/type_of.rs

@@ -191,7 +191,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> {
     /// `[T]` becomes `T`, while `str` and `Trait` turn into `i8` - this
     /// is useful for indexing slices, as `&[T]`'s data pointer is `T*`.
     /// If the type is an unsized struct, the regular layout is generated,
-    /// with the inner-most trailing unsized field using the "minimal unit"
+    /// with the innermost trailing unsized field using the "minimal unit"
     /// of that field's type - this is useful for taking the address of
     /// that field and ensuring the struct has the right alignment.
     fn llvm_type<'a>(&self, cx: &CodegenCx<'a, 'tcx>) -> &'a Type {

Diff for: compiler/rustc_codegen_ssa/src/base.rs

@@ -888,7 +888,7 @@ impl CrateInfo {
         // below.
         //
         // In order to get this left-to-right dependency ordering, we use the reverse
-        // postorder of all crates putting the leaves at the right-most positions.
+        // postorder of all crates putting the leaves at the rightmost positions.
         let mut compiler_builtins = None;
         let mut used_crates: Vec<_> = tcx
             .postorder_cnums(())

Diff for: compiler/rustc_errors/src/emitter.rs

@@ -58,9 +58,9 @@ impl HumanReadableErrorType {
 struct Margin {
     /// The available whitespace in the left that can be consumed when centering.
     pub whitespace_left: usize,
-    /// The column of the beginning of left-most span.
+    /// The column of the beginning of leftmost span.
     pub span_left: usize,
-    /// The column of the end of right-most span.
+    /// The column of the end of rightmost span.
     pub span_right: usize,
     /// The beginning of the line to be displayed.
     pub computed_left: usize,
@@ -128,7 +128,7 @@ impl Margin {
         } else {
             0
         };
-        // We want to show as much as possible, max_line_len is the right-most boundary for the
+        // We want to show as much as possible, max_line_len is the rightmost boundary for the
         // relevant code.
         self.computed_right = max(max_line_len, self.computed_left);
 
@@ -685,7 +685,7 @@ impl HumanEmitter {
             buffer.puts(line_offset, code_offset, "...", Style::LineNumber);
         }
         if margin.was_cut_right(line_len) {
-            // We have stripped some code after the right-most span end, make it clear we did so.
+            // We have stripped some code after the rightmost span end, make it clear we did so.
             buffer.puts(line_offset, code_offset + taken - 3, "...", Style::LineNumber);
         }
         buffer.puts(line_offset, 0, &self.maybe_anonymized(line_index), Style::LineNumber);

Diff for: compiler/rustc_expand/messages.ftl

@@ -25,7 +25,7 @@ expand_collapse_debuginfo_illegal =
     illegal value for attribute #[collapse_debuginfo(no|external|yes)]
 
 expand_count_repetition_misplaced =
-    `count` can not be placed inside the inner-most repetition
+    `count` can not be placed inside the innermost repetition
 
 expand_crate_name_in_cfg_attr =
     `crate_name` within an `#![cfg_attr]` attribute is forbidden

Diff for: compiler/rustc_expand/src/mbe/metavar_expr.rs

@@ -23,11 +23,11 @@ pub(crate) enum MetaVarExpr {
     /// Ignore a meta-variable for repetition without expansion.
     Ignore(Ident),
 
-    /// The index of the repetition at a particular depth, where 0 is the inner-most
+    /// The index of the repetition at a particular depth, where 0 is the innermost
     /// repetition. The `usize` is the depth.
     Index(usize),
 
-    /// The length of the repetition at a particular depth, where 0 is the inner-most
+    /// The length of the repetition at a particular depth, where 0 is the innermost
     /// repetition. The `usize` is the depth.
     Len(usize),
 }

Diff for: compiler/rustc_expand/src/mbe/transcribe.rs

@@ -570,7 +570,7 @@ fn lockstep_iter_size(
     }
 }
 
-/// Used solely by the `count` meta-variable expression, counts the outer-most repetitions at a
+/// Used solely by the `count` meta-variable expression, counts the outermost repetitions at a
 /// given optional nested depth.
 ///
 /// For example, a macro parameter of `$( { $( $foo:ident ),* } )*` called with `{ a, b } { c }`: