fix few comment typos in compiler

Author: klensy

compiler/rustc_ast/src/ast.rs

@@ -1201,7 +1201,7 @@ impl Expr {
         }
     }
 
-    /// Returns an expression with (when possible) *one* outter brace removed
+    /// Returns an expression with (when possible) *one* outer brace removed
     pub fn maybe_unwrap_block(&self) -> &Expr {
         if let ExprKind::Block(block, None) = &self.kind
             && let [stmt] = block.stmts.as_slice()

compiler/rustc_borrowck/src/diagnostics/opaque_suggestions.rs

@@ -31,7 +31,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
         diag: &mut Diag<'_>,
     ) {
         // We look at all the locals. Why locals? Because it's the best thing
-        // I could think of that's correlated with the *instantiated* higer-ranked
+        // I could think of that's correlated with the *instantiated* higher-ranked
         // binder for calls, since we don't really store those anywhere else.
         for ty in self.body.local_decls.iter().map(|local| local.ty) {
             if !ty.has_opaque_types() {

compiler/rustc_codegen_llvm/src/va_arg.rs

@@ -365,7 +365,7 @@ fn emit_xtensa_va_arg<'ll, 'tcx>(
 
     // On big-endian, for values smaller than the slot size we'd have to align the read to the end
     // of the slot rather than the start. While the ISA and GCC support big-endian, all the Xtensa
-    // targets supported by rustc are litte-endian so don't worry about it.
+    // targets supported by rustc are little-endian so don't worry about it.
 
     // if from_regsave {
     //     unsafe { *regsave_value_ptr }

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -3030,7 +3030,7 @@ fn add_apple_link_args(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavo
     // Supported architecture names can be found in the source:
     // https://github.com/apple-oss-distributions/ld64/blob/ld64-951.9/src/abstraction/MachOFileAbstraction.hpp#L578-L648
     //
-    // Intentially verbose to ensure that the list always matches correctly
+    // Intentionally verbose to ensure that the list always matches correctly
     // with the list in the source above.
     let ld64_arch = match llvm_arch {
         "armv7k" => "armv7k",
@@ -3098,7 +3098,7 @@ fn add_apple_link_args(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavo
         // We do not currently know the actual SDK version though, so we have a few options:
         // 1. Use the minimum version supported by rustc.
         // 2. Use the same as the deployment target.
-        // 3. Use an arbitary recent version.
+        // 3. Use an arbitrary recent version.
         // 4. Omit the version.
         //
         // The first option is too low / too conservative, and means that users will not get the

compiler/rustc_codegen_ssa/src/back/metadata.rs

@@ -408,7 +408,7 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static
 /// Mach-O files contain information about:
 /// - The platform/OS they were built for (macOS/watchOS/Mac Catalyst/iOS simulator etc).
 /// - The minimum OS version / deployment target.
-/// - The version of the SDK they were targetting.
+/// - The version of the SDK they were targeting.
 ///
 /// In the past, this was accomplished using the LC_VERSION_MIN_MACOSX, LC_VERSION_MIN_IPHONEOS,
 /// LC_VERSION_MIN_TVOS or LC_VERSION_MIN_WATCHOS load commands, which each contain information

compiler/rustc_codegen_ssa/src/traits/builder.rs

@@ -89,7 +89,7 @@ pub trait BuilderMethods<'a, 'tcx>:
     //
     // This function is opt-in for back ends.
     //
-    // The default implementation calls `self.expect()` before emiting the branch
+    // The default implementation calls `self.expect()` before emitting the branch
     // by calling `self.cond_br()`
     fn cond_br_with_expect(
         &mut self,

compiler/rustc_const_eval/src/util/check_validity_requirement.rs

@@ -68,7 +68,7 @@ fn check_validity_requirement_strict<'tcx>(
     // require dereferenceability also require non-null, we don't actually get any false negatives
     // due to this.
     // The value we are validating is temporary and discarded at the end of this function, so
-    // there is no point in reseting provenance and padding.
+    // there is no point in resetting provenance and padding.
     Ok(cx
         .validate_operand(
             &allocated.into(),

compiler/rustc_data_structures/src/vec_cache.rs

@@ -244,7 +244,7 @@ unsafe impl<K: Idx, #[may_dangle] V, I> Drop for VecCache<K, V, I> {
         // we are also guaranteed to just need to deallocate any large arrays (not iterate over
         // contents).
         //
-        // Confirm no need to deallocate invidual entries. Note that `V: Copy` is asserted on
+        // Confirm no need to deallocate individual entries. Note that `V: Copy` is asserted on
         // insert/lookup but not necessarily construction, primarily to avoid annoyingly propagating
         // the bounds into struct definitions everywhere.
         assert!(!std::mem::needs_drop::<K>());

compiler/rustc_errors/src/emitter.rs

@@ -2522,7 +2522,7 @@ impl HumanEmitter {
                     buffer.puts(*row_num, max_line_num_len + 1, "+ ", Style::Addition);
                 }
                 [] => {
-                    // FIXME: needed? Doesn't get excercised in any test.
+                    // FIXME: needed? Doesn't get exercised in any test.
                     self.draw_col_separator_no_space(buffer, *row_num, max_line_num_len + 1);
                 }
                 _ => {

compiler/rustc_errors/src/markdown/parse.rs

@@ -346,7 +346,7 @@ fn parse_with_end_pat<'a>(
     None
 }
 
-/// Resturn `(match, residual)` to end of line. The EOL is returned with the
+/// Return `(match, residual)` to end of line. The EOL is returned with the
 /// residual.
 fn parse_to_newline(buf: &[u8]) -> (&[u8], &[u8]) {
     buf.iter().position(|ch| *ch == b'\n').map_or((buf, &[]), |pos| buf.split_at(pos))
@@ -358,7 +358,7 @@ fn normalize<'a>(MdStream(stream): MdStream<'a>, linkdefs: &mut Vec<MdTree<'a>>)
     let new_defs = stream.iter().filter(|tt| matches!(tt, MdTree::LinkDef { .. }));
     linkdefs.extend(new_defs.cloned());
 
-    // Run plaintest expansions on types that need it, call this function on nested types
+    // Run plaintext expansions on types that need it, call this function on nested types
     for item in stream {
         match item {
             MdTree::PlainText(txt) => expand_plaintext(txt, &mut new_stream, MdTree::PlainText),