fix more typos found by codespell.

Author: matthiaskrgr

RELEASES.md

@@ -29,7 +29,7 @@ Libraries
 - [Copied `AsciiExt` methods onto `char`][46077]
 - [Remove `T: Sized` requirement on `ptr::is_null()`][46094]
 - [impl `From<RecvError>` for `{TryRecvError, RecvTimeoutError}`][45506]
-- [Optimised `f32::{min, max}` to generate more efficent x86 assembly][47080]
+- [Optimised `f32::{min, max}` to generate more efficient x86 assembly][47080]
 - [`[u8]::contains` now uses memchr which provides a 3x speed improvement][46713]
 
 Stabilized APIs

config.toml.example

@@ -151,8 +151,8 @@
 # default.
 #extended = false
 
-# Installs choosen set of extended tools if enables. By default builds all.
-# If choosen tool failed to build the installation fails.
+# Installs chosen set of extended tools if enables. By default builds all.
+# If chosen tool failed to build the installation fails.
 #tools = ["cargo", "rls", "rustfmt", "analysis", "src"]
 
 # Verbosity level: 0 == not verbose, 1 == verbose, 2 == very verbose

src/bootstrap/test.rs

@@ -935,7 +935,7 @@ impl Step for Compiletest {
             }
         }
         if suite == "run-make" && !build.config.llvm_enabled {
-            println!("Ignoring run-make test suite as they generally dont work without LLVM");
+            println!("Ignoring run-make test suite as they generally don't work without LLVM");
             return;
         }
 

src/librustc/diagnostics.rs

@@ -1891,7 +1891,7 @@ is a function pointer, which is not zero-sized.
 This pattern should be rewritten. There are a few possible ways to do this:
 
 - change the original fn declaration to match the expected signature,
-  and do the cast in the fn body (the prefered option)
+  and do the cast in the fn body (the preferred option)
 - cast the fn item fo a fn pointer before calling transmute, as shown here:
 
     ```

src/librustc/hir/mod.rs

@@ -543,7 +543,7 @@ impl Generics {
 }
 
 /// Synthetic Type Parameters are converted to an other form during lowering, this allows
-/// to track the original form they had. Usefull for error messages.
+/// to track the original form they had. Useful for error messages.
 #[derive(Copy, Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
 pub enum SyntheticTyParamKind {
     ImplTrait

src/librustc/infer/error_reporting/mod.rs

@@ -734,7 +734,7 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
                 }
             }
 
-            // When finding T != &T, hightlight only the borrow
+            // When finding T != &T, highlight only the borrow
             (&ty::TyRef(r1, ref tnm1), _) if equals(&tnm1.ty, &t2) => {
                 let mut values = (DiagnosticStyledString::new(), DiagnosticStyledString::new());
                 push_ty_ref(&r1, tnm1, &mut values.0);
@@ -946,7 +946,7 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> {
                         let type_param = generics.type_param(param, self.tcx);
                         let hir = &self.tcx.hir;
                         hir.as_local_node_id(type_param.def_id).map(|id| {
-                            // Get the `hir::TyParam` to verify wether it already has any bounds.
+                            // Get the `hir::TyParam` to verify whether it already has any bounds.
                             // We do this to avoid suggesting code that ends up as `T: 'a'b`,
                             // instead we suggest `T: 'a + 'b` in that case.
                             let has_lifetimes = if let hir_map::NodeTyParam(ref p) = hir.get(id) {

src/librustc/infer/outlives/obligations.rs

@@ -106,7 +106,7 @@ impl<'cx, 'gcx, 'tcx> InferCtxt<'cx, 'gcx, 'tcx> {
     /// done (or else an assert will fire).
     ///
     /// See the `region_obligations` field of `InferCtxt` for some
-    /// comments about how this funtion fits into the overall expected
+    /// comments about how this function fits into the overall expected
     /// flow of the the inferencer. The key point is that it is
     /// invoked after all type-inference variables have been bound --
     /// towards the end of regionck. This also ensures that the

src/librustc/infer/region_constraints/README.md

@@ -19,7 +19,7 @@ The constraints are always of one of three possible forms:
   a subregion of Rj
 - `ConstrainRegSubVar(R, Ri)` states that the concrete region R (which
   must not be a variable) must be a subregion of the variable Ri
-- `ConstrainVarSubReg(Ri, R)` states the variable Ri shoudl be less
+- `ConstrainVarSubReg(Ri, R)` states the variable Ri should be less
   than the concrete region R. This is kind of deprecated and ought to
   be replaced with a verify (they essentially play the same role).
 

src/librustc/middle/region.rs

@@ -886,7 +886,7 @@ fn resolve_block<'a, 'tcx>(visitor: &mut RegionResolutionVisitor<'a, 'tcx>, blk:
     //
     // Each of the statements within the block is a terminating
     // scope, and thus a temporary (e.g. the result of calling
-    // `bar()` in the initalizer expression for `let inner = ...;`)
+    // `bar()` in the initializer expression for `let inner = ...;`)
     // will be cleaned up immediately after its corresponding
     // statement (i.e. `let inner = ...;`) executes.
     //

src/librustc/mir/interpret/mod.rs

@@ -56,7 +56,7 @@ pub struct GlobalId<'tcx> {
 ////////////////////////////////////////////////////////////////////////////////
 
 pub trait PointerArithmetic: layout::HasDataLayout {
-    // These are not supposed to be overriden.
+    // These are not supposed to be overridden.
 
     //// Trunace the given value to the pointer size; also return whether there was an overflow
     fn truncate_to_ptr(self, val: u128) -> (u64, bool) {