Spellchecking compiler comments

This PR cleans up the rest of the spelling mistakes in the compiler comments. This PR does not change any literal or code spelling issues.

compiler/rustc_mir_transform/src/check_unsafety.rs

@@ -149,7 +149,7 @@ impl<'tcx> Visitor<'tcx> for UnsafetyChecker<'_, 'tcx> {
             self.check_mut_borrowing_layout_constrained_field(*place, context.is_mutating_use());
         }
 
-        // Some checks below need the extra metainfo of the local declaration.
+        // Some checks below need the extra meta info of the local declaration.
         let decl = &self.body.local_decls[place.local];
 
         // Check the base local: it might be an unsafe-to-access static. We only check derefs of the

compiler/rustc_mir_transform/src/const_prop.rs

@@ -634,7 +634,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
         }
     }
 
-    // Attempt to use albegraic identities to eliminate constant expressions
+    // Attempt to use algebraic identities to eliminate constant expressions
     fn eval_rvalue_with_identities(
         &mut self,
         rvalue: &Rvalue<'tcx>,

compiler/rustc_mir_transform/src/coverage/query.rs

@@ -66,7 +66,7 @@ impl CoverageVisitor {
                 // The operand ID is outside the known range of counter IDs and also outside the
                 // known range of expression IDs. In either case, the result of a missing operand
                 // (if and when used in an expression) will be zero, so from a computation
-                // perspective, it doesn't matter whether it is interepretted as a counter or an
+                // perspective, it doesn't matter whether it is interpreted as a counter or an
                 // expression.
                 //
                 // However, the `num_counters` and `num_expressions` query results are used to

compiler/rustc_mir_transform/src/coverage/spans.rs

@@ -694,7 +694,7 @@ impl<'a, 'tcx> CoverageSpans<'a, 'tcx> {
     /// If prev.span() was split off to the right of a closure, prev.span().lo() will be
     /// greater than prev_original_span.lo(). The actual span of `prev_original_span` is
     /// not as important as knowing that `prev()` **used to have the same span** as `curr(),
-    /// which means their sort order is still meaningful for determinating the dominator
+    /// which means their sort order is still meaningful for determining the dominator
     /// relationship.
     ///
     /// When two `CoverageSpan`s have the same `Span`, dominated spans can be discarded; but if
@@ -726,7 +726,7 @@ impl<'a, 'tcx> CoverageSpans<'a, 'tcx> {
                 self.prev()
             );
             self.cutoff_prev_at_overlapping_curr();
-        // If one span dominates the other, assocate the span with the code from the dominated
+        // If one span dominates the other, associate the span with the code from the dominated
         // block only (`curr`), and discard the overlapping portion of the `prev` span. (Note
         // that if `prev.span` is wider than `prev_original_span`, a `CoverageSpan` will still
         // be created for `prev`s block, for the non-overlapping portion, left of `curr.span`.)

compiler/rustc_mir_transform/src/early_otherwise_branch.rs

@@ -260,7 +260,7 @@ fn may_hoist<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, place: Place<'tcx>) ->
     for (place, proj) in place.iter_projections() {
         match proj {
             // Dereferencing in the computation of `place` might cause issues from one of two
-            // cateogires. First, the referrent might be invalid. We protect against this by
+            // categories. First, the referent might be invalid. We protect against this by
             // dereferencing references only (not pointers). Second, the use of a reference may
             // invalidate other references that are used later (for aliasing reasons). Consider
             // where such an invalidated reference may appear:

compiler/rustc_mir_transform/src/generator.rs

@@ -500,7 +500,7 @@ fn locals_live_across_suspend_points<'tcx>(
                 // The `liveness` variable contains the liveness of MIR locals ignoring borrows.
                 // This is correct for movable generators since borrows cannot live across
                 // suspension points. However for immovable generators we need to account for
-                // borrows, so we conseratively assume that all borrowed locals are live until
+                // borrows, so we conservatively assume that all borrowed locals are live until
                 // we find a StorageDead statement referencing the locals.
                 // To do this we just union our `liveness` result with `borrowed_locals`, which
                 // contains all the locals which has been borrowed before this suspension point.

compiler/rustc_mir_transform/src/inline.rs

@@ -698,7 +698,7 @@ impl<'tcx> Inliner<'tcx> {
             // The `closure_ref` in our example above.
             let closure_ref_arg = iter::once(self_);
 
-            // The `tmp0`, `tmp1`, and `tmp2` in our example abonve.
+            // The `tmp0`, `tmp1`, and `tmp2` in our example above.
             let tuple_tmp_args = tuple_tys.iter().enumerate().map(|(i, ty)| {
                 // This is e.g., `tuple_tmp.0` in our example above.
                 let tuple_field = Operand::Move(tcx.mk_place_field(tuple, Field::new(i), ty));

compiler/rustc_mir_transform/src/inline/cycle.rs

@@ -8,7 +8,7 @@ use rustc_middle::ty::{self, subst::SubstsRef, InstanceDef, TyCtxt};
 use rustc_session::Limit;
 
 // FIXME: check whether it is cheaper to precompute the entire call graph instead of invoking
-// this query riddiculously often.
+// this query ridiculously often.
 #[instrument(level = "debug", skip(tcx, root, target))]
 crate fn mir_callgraph_reachable<'tcx>(
     tcx: TyCtxt<'tcx>,

compiler/rustc_mir_transform/src/nrvo.rs

@@ -64,7 +64,7 @@ impl<'tcx> MirPass<'tcx> for RenameReturnPlace {
         let (renamed_decl, ret_decl) =
             body.local_decls.pick2_mut(returned_local, mir::RETURN_PLACE);
 
-        // Sometimes, the return place is assigned a local of a different but coercable type, for
+        // Sometimes, the return place is assigned a local of a different but coercible type, for
         // example `&mut T` instead of `&T`. Overwriting the `LocalInfo` for the return place means
         // its type may no longer match the return type of its function. This doesn't cause a
         // problem in codegen because these two types are layout-compatible, but may be unexpected.

compiler/rustc_mir_transform/src/remove_noop_landing_pads.rs

@@ -36,7 +36,7 @@ impl RemoveNoopLandingPads {
                 | StatementKind::AscribeUserType(..)
                 | StatementKind::Coverage(..)
                 | StatementKind::Nop => {
-                    // These are all nops in a landing pad
+                    // These are all noops in a landing pad
                 }
 
                 StatementKind::Assign(box (place, Rvalue::Use(_) | Rvalue::Discriminant(_))) => {

compiler/rustc_mir_transform/src/remove_uninit_drops.rs

@@ -12,7 +12,7 @@ use crate::MirPass;
 /// that point.
 ///
 /// This is redundant with drop elaboration, but we need to do it prior to const-checking, and
-/// running const-checking after drop elaboration makes it opimization dependent, causing issues
+/// running const-checking after drop elaboration makes it optimization dependent, causing issues
 /// like [#90770].
 ///
 /// [#90770]: https://github.com/rust-lang/rust/issues/90770

compiler/rustc_mir_transform/src/remove_unneeded_drops.rs

@@ -2,7 +2,7 @@
 //!
 //! When the MIR is built, we check `needs_drop` before emitting a `Drop` for a place. This pass is
 //! useful because (unlike MIR building) it runs after type checking, so it can make use of
-//! `Reveal::All` to provide more precies type information.
+//! `Reveal::All` to provide more precise type information.
 
 use crate::MirPass;
 use rustc_middle::mir::*;

compiler/rustc_mir_transform/src/simplify_try.rs

@@ -72,7 +72,7 @@ struct ArmIdentityInfo<'tcx> {
     /// (StorageLive index,, StorageDead index, Local)
     storage_stmts: Vec<(usize, usize, Local)>,
 
-    /// The statements that should be removed (turned into nops)
+    /// The statements that should be removed (turned into noops)
     stmts_to_remove: Vec<usize>,
 
     /// Indices of debug variables that need to be adjusted to point to