remove repetitive words

Signed-off-by: cui fliter <imcusg@gmail.com>

compiler/rustc_codegen_ssa/src/back/metadata.rs

@@ -623,7 +623,7 @@ pub fn create_compressed_metadata_file_for_xcoff(
 /// that contains a custom section of the name `section_name` with contents
 /// `data`.
 ///
-/// NB: the `object` crate does not yet have support for writing the the wasm
+/// NB: the `object` crate does not yet have support for writing the wasm
 /// object file format. The format is simple enough that for now an extra crate
 /// from crates.io (such as `wasm-encoder`). The file format is:
 ///

compiler/rustc_middle/src/traits/select.rs

@@ -139,7 +139,7 @@ pub enum SelectionCandidate<'tcx> {
     /// generated for an `async ||` expression.
     AsyncClosureCandidate,
 
-    /// Implementation of the the `AsyncFnKindHelper` helper trait, which
+    /// Implementation of the `AsyncFnKindHelper` helper trait, which
     /// is used internally to delay computation for async closures until after
     /// upvar analysis is performed in HIR typeck.
     AsyncFnKindHelperCandidate,

library/alloc/src/collections/btree/map.rs

@@ -2916,7 +2916,7 @@ impl<'a, K, V> Cursor<'a, K, V> {
         }
     }
 
-    /// Returns a reference to the the key and value of the next element without
+    /// Returns a reference to the key and value of the next element without
     /// moving the cursor.
     ///
     /// If the cursor is at the end of the map then `None` is returned
@@ -2925,7 +2925,7 @@ impl<'a, K, V> Cursor<'a, K, V> {
         self.clone().next()
     }
 
-    /// Returns a reference to the the key and value of the previous element
+    /// Returns a reference to the key and value of the previous element
     /// without moving the cursor.
     ///
     /// If the cursor is at the start of the map then `None` is returned.
@@ -2958,7 +2958,7 @@ impl<'a, K, V, A> CursorMut<'a, K, V, A> {
         Some((&*k, v))
     }
 
-    /// Returns a reference to the the key and value of the next element without
+    /// Returns a reference to the key and value of the next element without
     /// moving the cursor.
     ///
     /// If the cursor is at the end of the map then `None` is returned
@@ -2968,7 +2968,7 @@ impl<'a, K, V, A> CursorMut<'a, K, V, A> {
         Some((&*k, v))
     }
 
-    /// Returns a reference to the the key and value of the previous element
+    /// Returns a reference to the key and value of the previous element
     /// without moving the cursor.
     ///
     /// If the cursor is at the start of the map then `None` is returned.
@@ -3056,7 +3056,7 @@ impl<'a, K, V, A> CursorMutKey<'a, K, V, A> {
         }
     }
 
-    /// Returns a reference to the the key and value of the next element without
+    /// Returns a reference to the key and value of the next element without
     /// moving the cursor.
     ///
     /// If the cursor is at the end of the map then `None` is returned
@@ -3068,7 +3068,7 @@ impl<'a, K, V, A> CursorMutKey<'a, K, V, A> {
         Some(kv)
     }
 
-    /// Returns a reference to the the key and value of the previous element
+    /// Returns a reference to the key and value of the previous element
     /// without moving the cursor.
     ///
     /// If the cursor is at the start of the map then `None` is returned.

src/bootstrap/src/core/config/config.rs

@@ -2399,7 +2399,7 @@ impl Config {
                     .last_modified_commit(&["src/llvm-project"], "download-ci-llvm", true)
                     .is_none()
             {
-                // there are some untracked changes in the the given paths.
+                // there are some untracked changes in the given paths.
                 false
             } else {
                 llvm::is_ci_llvm_available(self, asserts)

src/doc/rustdoc/src/write-documentation/linking-to-items-by-name.md

@@ -167,5 +167,5 @@ render differently in this case:
 [f]: g
 ```
 
-`1.` and `2.` will will be displayed as is in the rendered documentation (ie, `[a]` and `[b][c]`)
+`1.` and `2.` will be displayed as is in the rendered documentation (ie, `[a]` and `[b][c]`)
 whereas `3.` and `4.` will be replaced by a link targetting `e` for `[d](e)` and `g` for `[f]`.