Fix typos

Author: omahs

compiler/rustc_ast_lowering/src/lib.rs

@@ -896,7 +896,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
             let ret = self.arena.alloc_from_iter(lowered_attrs);
 
             // this is possible if an item contained syntactical attribute,
-            // but none of them parse succesfully or all of them were ignored
+            // but none of them parse successfully or all of them were ignored
             // for not being built-in attributes at all. They could be remaining
             // unexpanded attributes used as markers in proc-macro derives for example.
             // This will have emitted some diagnostics for the misparse, but will then

compiler/rustc_codegen_ssa/src/codegen_attrs.rs

@@ -387,7 +387,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs {
                                 [sym::arm, sym::a32 | sym::t32]
                                     if !tcx.sess.target.has_thumb_interworking =>
                                 {
-                                    tcx.dcx().emit_err(errors::UnsuportedInstructionSet {
+                                    tcx.dcx().emit_err(errors::UnsupportedInstructionSet {
                                         span: attr.span(),
                                     });
                                     None

compiler/rustc_codegen_ssa/src/errors.rs

@@ -149,7 +149,7 @@ pub(crate) struct NullOnExport {
 
 #[derive(Diagnostic)]
 #[diag(codegen_ssa_unsupported_instruction_set, code = E0779)]
-pub(crate) struct UnsuportedInstructionSet {
+pub(crate) struct UnsupportedInstructionSet {
     #[primary_span]
     pub span: Span,
 }

compiler/rustc_hir_analysis/messages.ftl

@@ -522,7 +522,7 @@ hir_analysis_trait_object_declared_with_no_traits =
     at least one trait is required for an object type
     .alias_span = this alias does not contain a trait
 
-hir_analysis_traits_with_defualt_impl = traits with a default impl, like `{$traits}`, cannot be implemented for {$problematic_kind} `{$self_ty}`
+hir_analysis_traits_with_default_impl = traits with a default impl, like `{$traits}`, cannot be implemented for {$problematic_kind} `{$self_ty}`
     .note = a trait object implements `{$traits}` if and only if `{$traits}` is one of the trait object's trait bounds
 
 hir_analysis_transparent_enum_variant = transparent enum needs exactly one variant, but has {$number}

compiler/rustc_hir_analysis/src/errors.rs

@@ -1327,7 +1327,7 @@ pub(crate) struct ImplForTyRequires {
 }
 
 #[derive(Diagnostic)]
-#[diag(hir_analysis_traits_with_defualt_impl, code = E0321)]
+#[diag(hir_analysis_traits_with_default_impl, code = E0321)]
 #[note]
 pub(crate) struct TraitsWithDefaultImpl<'a> {
     #[primary_span]

compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs

@@ -2339,7 +2339,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 }
 
                 if !mismatched_params.is_empty() {
-                    // For each mismatched paramter, create a two-way link to each matched parameter
+                    // For each mismatched parameter, create a two-way link to each matched parameter
                     // of the same type.
                     let mut dependants = IndexVec::<ExpectedIdx, _>::from_fn_n(
                         |_| SmallVec::<[u32; 4]>::new(),

compiler/rustc_interface/src/passes.rs

@@ -907,7 +907,7 @@ pub fn create_and_enter_global_ctxt<T, F: for<'tcx> FnOnce(TyCtxt<'tcx>) -> T>(
                 feed.output_filenames(Arc::new(outputs));
 
                 let res = f(tcx);
-                // FIXME maybe run finish even when a fatal error occured? or at least tcx.alloc_self_profile_query_strings()?
+                // FIXME maybe run finish even when a fatal error occurred? or at least tcx.alloc_self_profile_query_strings()?
                 tcx.finish();
                 res
             },

compiler/rustc_macros/src/symbols.rs

@@ -299,7 +299,7 @@ fn symbols_with_errors(input: TokenStream) -> (TokenStream, Vec<syn::Error>) {
     let output = quote! {
         const SYMBOL_DIGITS_BASE: u32 = #symbol_digits_base;
 
-        /// The number of predefined symbols; this is the the first index for
+        /// The number of predefined symbols; this is the first index for
         /// extra pre-interned symbols in an Interner created via
         /// [`Interner::with_extra_symbols`].
         pub const PREDEFINED_SYMBOLS_COUNT: u32 = #predefined_symbols_count;

compiler/rustc_mir_build/src/builder/scope.rs

@@ -1485,7 +1485,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
 ///   panic occurred (a subset of the drops in `scope`, since we sometimes elide StorageDead and other
 ///   instructions on unwinding)
 /// * `dropline_to`, describes the drops that would occur at this point in the code if a
-///    coroutine drop occured.
+///    coroutine drop occurred.
 /// * `storage_dead_on_unwind`, if true, then we should emit `StorageDead` even when unwinding
 /// * `arg_count`, number of MIR local variables corresponding to fn arguments (used to assert that we don't drop those)
 fn build_scope_drops<'tcx, F>(

compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs

@@ -945,7 +945,7 @@ where
 
         // This is quite similar to the `projection_may_match` we use in unsizing,
         // but here we want to unify a projection predicate against an alias term
-        // so we can replace it with the the projection predicate's term.
+        // so we can replace it with the projection predicate's term.
         let mut matching_projections = replacements
             .iter()
             .filter(|source_projection| self.projection_may_match(**source_projection, alias_term));