Rollup merge of #60478 - euclio:doc-fixes, r=cramertj

minor compiler doc tweaks

src/librustc/hir/mod.rs

@@ -1927,6 +1927,9 @@ pub enum ArgSource {
 /// Represents the header (not the body) of a function declaration.
 #[derive(Clone, RustcEncodable, RustcDecodable, Debug, HashStable)]
 pub struct FnDecl {
+    /// The types of the function's arguments.
+    ///
+    /// Additional argument data is stored in the function's [body](Body::arguments).
     pub inputs: HirVec<Ty>,
     pub output: FunctionRetTy,
     pub c_variadic: bool,

src/librustc/lint/context.rs

@@ -757,12 +757,12 @@ impl<'a, 'tcx> LateContext<'a, 'tcx> {
     /// Check if a `DefId`'s path matches the given absolute type path usage.
     ///
     /// # Examples
-    /// ```rust,ignore (no `cx` or `def_id` available)
+    ///
+    /// ```rust,ignore (no context or def id available)
     /// if cx.match_def_path(def_id, &["core", "option", "Option"]) {
     ///     // The given `def_id` is that of an `Option` type
     /// }
     /// ```
-    // Uplifted from rust-lang/rust-clippy
     pub fn match_def_path(&self, def_id: DefId, path: &[&str]) -> bool {
         let names = self.get_def_path(def_id);
 
@@ -772,13 +772,13 @@ impl<'a, 'tcx> LateContext<'a, 'tcx> {
     /// Gets the absolute path of `def_id` as a vector of `&str`.
     ///
     /// # Examples
-    /// ```rust,ignore (no `cx` or `def_id` available)
+    ///
+    /// ```rust,ignore (no context or def id available)
     /// let def_path = cx.get_def_path(def_id);
     /// if let &["core", "option", "Option"] = &def_path[..] {
     ///     // The given `def_id` is that of an `Option` type
     /// }
     /// ```
-    // Uplifted from rust-lang/rust-clippy
     pub fn get_def_path(&self, def_id: DefId) -> Vec<LocalInternedString> {
         pub struct AbsolutePathPrinter<'a, 'tcx> {
             pub tcx: TyCtxt<'a, 'tcx, 'tcx>,