Fix spelling typos

Author: bwignall

src/bootstrap/compile.rs

@@ -113,7 +113,7 @@ impl Step for Std {
     }
 }
 
-/// Copies third pary objects needed by various targets.
+/// Copies third party objects needed by various targets.
 fn copy_third_party_objects(builder: &Builder<'_>, compiler: &Compiler, target: Interned<String>)
     -> Vec<PathBuf>
 {

src/liballoc/collections/btree/node.rs

@@ -596,7 +596,7 @@ impl<'a, K: 'a, V: 'a, Type> NodeRef<marker::Immut<'a>, K, V, Type> {
             // (We might be one-past-the-end, but that is allowed by LLVM.)
             // Getting the pointer is tricky though.  `NodeHeader` does not have a `keys`
             // field because we want its size to not depend on the alignment of `K`
-            // (needed becuase `as_header` should be safe).  We cannot call `as_leaf`
+            // (needed because `as_header` should be safe).  We cannot call `as_leaf`
             // because we might be the shared root.
             // For this reason, `NodeHeader` has this `K2` parameter (that's usually `()`
             // and hence just adds a size-0-align-1 field, not affecting layout).

src/liballoc/tests/vec.rs

@@ -985,7 +985,7 @@ fn drain_filter_consumed_panic() {
         };
         let drain = data.drain_filter(filter);
 
-        // NOTE: The DrainFilter is explictly consumed
+        // NOTE: The DrainFilter is explicitly consumed
         drain.for_each(drop);
     });
 

src/liballoc/vec.rs

@@ -2837,7 +2837,7 @@ pub struct DrainFilter<'a, T, F>
     old_len: usize,
     /// The filter test predicate.
     pred: F,
-    /// A flag that indicates a panic has occured in the filter test prodicate.
+    /// A flag that indicates a panic has occurred in the filter test prodicate.
     /// This is used as a hint in the drop implmentation to prevent consumption
     /// of the remainder of the `DrainFilter`. Any unprocessed items will be
     /// backshifted in the `vec`, but no further items will be dropped or

src/libcore/hint.rs

@@ -113,7 +113,7 @@ pub fn spin_loop() {
 pub fn black_box<T>(dummy: T) -> T {
     // We need to "use" the argument in some way LLVM can't introspect, and on
     // targets that support it we can typically leverage inline assembly to do
-    // this. LLVM's intepretation of inline assembly is that it's, well, a black
+    // this. LLVM's interpretation of inline assembly is that it's, well, a black
     // box. This isn't the greatest implementation since it probably deoptimizes
     // more than we want, but it's so far good enough.
     unsafe {

src/libcore/intrinsics.rs

@@ -1279,7 +1279,7 @@ extern "rust-intrinsic" {
     /// undefined behavior when `x + y > T::max_value()` or `x + y < T::min_value()`.
     pub fn unchecked_add<T>(x: T, y: T) -> T;
 
-    /// Returns the result of an unchecked substraction, resulting in
+    /// Returns the result of an unchecked subtraction, resulting in
     /// undefined behavior when `x - y > T::max_value()` or `x - y < T::min_value()`.
     pub fn unchecked_sub<T>(x: T, y: T) -> T;
 

src/libpanic_unwind/dwarf/eh.rs

@@ -130,7 +130,7 @@ pub unsafe fn find_eh_action(lsda: *const u8, context: &EHContext<'_>, foreign_e
 fn interpret_cs_action(cs_action: u64, lpad: usize, foreign_exception: bool) -> EHAction {
     if cs_action == 0 {
         // If cs_action is 0 then this is a cleanup (Drop::drop). We run these
-        // for both Rust panics and foriegn exceptions.
+        // for both Rust panics and foreign exceptions.
         EHAction::Cleanup(lpad)
     } else if foreign_exception {
         // catch_unwind should not catch foreign exceptions, only Rust panics.

src/librustc/mir/interpret/error.rs

@@ -185,7 +185,7 @@ pub fn struct_error<'tcx>(tcx: TyCtxtAt<'tcx>, msg: &str) -> DiagnosticBuilder<'
 }
 
 /// Packages the kind of error we got from the const code interpreter
-/// up with a Rust-level backtrace of where the error occured.
+/// up with a Rust-level backtrace of where the error occurred.
 /// Thsese should always be constructed by calling `.into()` on
 /// a `InterpError`. In `librustc_mir::interpret`, we have `throw_err_*`
 /// macros for this.

src/librustc/mir/mod.rs

@@ -450,7 +450,7 @@ impl<T: Decodable> rustc_serialize::UseSpecializedDecodable for ClearCrossCrate<
 /// Grouped information about the source code origin of a MIR entity.
 /// Intended to be inspected by diagnostics and debuginfo.
 /// Most passes can work with it as a whole, within a single function.
-// The unoffical Cranelift backend, at least as of #65828, needs `SourceInfo` to implement `Eq` and
+// The unofficial Cranelift backend, at least as of #65828, needs `SourceInfo` to implement `Eq` and
 // `Hash`. Please ping @bjorn3 if removing them.
 #[derive(Copy, Clone, Debug, Eq, PartialEq, RustcEncodable, RustcDecodable, Hash, HashStable)]
 pub struct SourceInfo {

src/librustc/traits/auto_trait.rs

@@ -461,7 +461,7 @@ impl AutoTraitFinder<'tcx> {
                                     // The old predicate has a region variable where the new
                                     // predicate has some other kind of region. An region
                                     // variable isn't something we can actually display to a user,
-                                    // so we choose ther new predicate (which doesn't have a region
+                                    // so we choose their new predicate (which doesn't have a region
                                     // varaible).
                                     //
                                     // In both cases, we want to remove the old predicate,
@@ -703,7 +703,7 @@ impl AutoTraitFinder<'tcx> {
                     // that we could add to our ParamEnv that would 'fix' this kind
                     // of error, as it's not caused by an unimplemented type.
                     //
-                    // 2. We succesfully project the predicate (Ok(Some(_))), generating
+                    // 2. We successfully project the predicate (Ok(Some(_))), generating
                     //  some subobligations. We then process these subobligations
                     //  like any other generated sub-obligations.
                     //
@@ -770,7 +770,7 @@ impl AutoTraitFinder<'tcx> {
                         Ok(None) => {
                             // It's ok not to make progress when hvave no inference variables -
                             // in that case, we were only performing unifcation to check if an
-                            // error occured (which would indicate that it's impossible for our
+                            // error occurred (which would indicate that it's impossible for our
                             // type to implement the auto trait).
                             // However, we should always make progress (either by generating
                             // subobligations or getting an error) when we started off with