fix some typos in comments

compiler/rustc_const_eval/src/interpret/operand.rs

@@ -376,7 +376,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
 
     /// Read an immediate from a place, asserting that that is possible with the given layout.
     ///
-    /// If this suceeds, the `ImmTy` is never `Uninit`.
+    /// If this succeeds, the `ImmTy` is never `Uninit`.
     #[inline(always)]
     pub fn read_immediate(
         &self,

compiler/rustc_expand/src/mbe/macro_rules.rs

@@ -333,7 +333,7 @@ fn expand_macro<'cx>(
     assert!(try_success_result.is_err(), "Macro matching returned a success on the second try");
 
     if let Some(result) = tracker.result {
-        // An irrecoverable error occured and has been emitted.
+        // An irrecoverable error occurred and has been emitted.
         return result;
     }
 

compiler/rustc_feature/src/builtin_attrs.rs

@@ -147,7 +147,7 @@ pub enum AttributeDuplicates {
     FutureWarnPreceding,
 }
 
-/// A conveniece macro to deal with `$($expr)?`.
+/// A convenience macro to deal with `$($expr)?`.
 macro_rules! or_default {
     ($default:expr,) => {
         $default

compiler/rustc_hir_typeck/src/closure.rs

@@ -35,7 +35,7 @@ struct ClosureSignatures<'tcx> {
     bound_sig: ty::PolyFnSig<'tcx>,
     /// The signature within the function body.
     /// This mostly differs in the sense that lifetimes are now early bound and any
-    /// opaque types from the signature expectation are overriden in case there are
+    /// opaque types from the signature expectation are overridden in case there are
     /// explicit hidden types written by the user in the closure signature.
     liberated_sig: ty::FnSig<'tcx>,
 }

compiler/rustc_lint/src/types.rs

@@ -360,7 +360,7 @@ fn lint_int_literal<'tcx>(
         }
 
         if lint_overflowing_range_endpoint(cx, lit, v, max, e, t.name_str()) {
-            // The overflowing literal lint was emited by `lint_overflowing_range_endpoint`.
+            // The overflowing literal lint was emitted by `lint_overflowing_range_endpoint`.
             return;
         }
 
@@ -429,7 +429,7 @@ fn lint_uint_literal<'tcx>(
             }
         }
         if lint_overflowing_range_endpoint(cx, lit, lit_val, max, e, t.name_str()) {
-            // The overflowing literal lint was emited by `lint_overflowing_range_endpoint`.
+            // The overflowing literal lint was emitted by `lint_overflowing_range_endpoint`.
             return;
         }
         if let Some(repr_str) = get_bin_hex_repr(cx, lit) {

compiler/rustc_middle/src/mir/mod.rs

@@ -1541,7 +1541,7 @@ impl<'tcx> Place<'tcx> {
     /// If MirPhase >= Derefered and if projection contains Deref,
     /// It's guaranteed to be in the first place
     pub fn has_deref(&self) -> bool {
-        // To make sure this is not accidently used in wrong mir phase
+        // To make sure this is not accidentally used in wrong mir phase
         debug_assert!(
             self.projection.is_empty() || !self.projection[1..].contains(&PlaceElem::Deref)
         );

compiler/rustc_middle/src/mir/syntax.rs

@@ -85,7 +85,7 @@ pub enum MirPhase {
     ///
     /// Also note that the lint pass which reports eg `200_u8 + 200_u8` as an error is run as a part
     /// of analysis to runtime MIR lowering. To ensure lints are reported reliably, this means that
-    /// transformations which may supress such errors should not run on analysis MIR.
+    /// transformations which may suppress such errors should not run on analysis MIR.
     Runtime(RuntimePhase),
 }
 

compiler/rustc_mir_build/src/build/block.rs

@@ -118,7 +118,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
                     else_block: Some(else_block),
                 } => {
                     // When lowering the statement `let <pat> = <expr> else { <else> };`,
-                    // the `<else>` block is nested in the parent scope enclosing this statment.
+                    // the `<else>` block is nested in the parent scope enclosing this statement.
                     // That scope is usually either the enclosing block scope,
                     // or the remainder scope of the last statement.
                     // This is to make sure that temporaries instantiated in `<expr>` are dropped

compiler/rustc_resolve/src/effective_visibilities.rs

@@ -72,7 +72,7 @@ impl<'r, 'a> EffectiveVisibilitiesVisitor<'r, 'a> {
                 update(node_id);
                 if let ImportKind::Single { additional_ids: (id1, id2), .. } = import.kind {
                     // In theory all the single import IDs have individual visibilities and
-                    // effective visibilities, but in practice these IDs go straigth to HIR
+                    // effective visibilities, but in practice these IDs go straight to HIR
                     // where all their few uses assume that their (effective) visibility
                     // applies to the whole syntactic `use` item. So they all get the same
                     // value which is the maximum of all bindings. Maybe HIR for imports

compiler/rustc_target/src/spec/mod.rs

@@ -114,7 +114,7 @@ pub enum Lld {
 /// relevant now.
 ///
 /// The second goal is to keep the number of flavors to the minimum if possible.
-/// LLD somewhat forces our hand here because that linker is self-sufficent only if its executable
+/// LLD somewhat forces our hand here because that linker is self-sufficient only if its executable
 /// (`argv[0]`) is named in specific way, otherwise it doesn't work and requires a
 /// `-flavor LLD_FLAVOR` argument to choose which logic to use. Our shipped `rust-lld` in
 /// particular is not named in such specific way, so it needs the flavor option, so we make our

src/librustdoc/json/conversions.rs

@@ -674,7 +674,7 @@ impl FromWithTcx<clean::Variant> for Variant {
 impl FromWithTcx<clean::Discriminant> for Discriminant {
     fn from_tcx(disr: clean::Discriminant, tcx: TyCtxt<'_>) -> Self {
         Discriminant {
-            // expr is only none if going throught the inlineing path, which gets
+            // expr is only none if going through the inlineing path, which gets
             // `rustc_middle` types, not `rustc_hir`, but because JSON never inlines
             // the expr is always some.
             expr: disr.expr(tcx).unwrap(),

src/librustdoc/json/mod.rs

@@ -277,7 +277,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> {
 
         let e = ExternalCrate { crate_num: LOCAL_CRATE };
 
-        // FIXME(adotinthevoid): Remove this, as it's not consistant with not
+        // FIXME(adotinthevoid): Remove this, as it's not consistent with not
         // inlining foreign items.
         let foreign_trait_items = self.get_trait_items();
         let mut index = (*self.index).clone().into_inner();

src/rustdoc-json-types/lib.rs

@@ -53,7 +53,7 @@ pub struct ItemSummary {
     /// `["std", "io", "lazy", "Lazy"]` for `std::io::lazy::Lazy`).
     ///
     /// Note that items can appear in multiple paths, and the one chosen is implementation
-    /// defined. Currenty, this is the full path to where the item was defined. Eg
+    /// defined. Currently, this is the full path to where the item was defined. Eg
     /// [`String`] is currently `["alloc", "string", "String"]` and [`HashMap`] is
     /// `["std", "collections", "hash", "map", "HashMap"]`, but this is subject to change.
     pub path: Vec<String>,
@@ -351,7 +351,7 @@ pub enum Variant {
     /// A variant with unnamed fields.
     ///
     /// Unlike most of json, `#[doc(hidden)]` fields will be given as `None`
-    /// instead of being ommited, because order matters.
+    /// instead of being omitted, because order matters.
     ///
     /// ```rust
     /// enum Demo {