Pacify tidy.

Author: cjgillot

compiler/rustc_middle/src/mir/syntax.rs

@@ -325,8 +325,8 @@ pub enum StatementKind<'tcx> {
     /// Only `RetagKind::Default` and `RetagKind::FnEntry` are permitted.
     Retag(RetagKind, Box<Place<'tcx>>),
 
-    /// This statement exists to preserve a trace of a scrutinee matched against a wildcard
-    /// binding.  This is especially useful for `let _ = PLACE;` bindings that desugar to a single
+    /// This statement exists to preserve a trace of a scrutinee matched against a wildcard binding.
+    /// This is especially useful for `let _ = PLACE;` bindings that desugar to a single
     /// `PlaceMention(PLACE)`.
     ///
     /// When executed at runtime this is a nop.

compiler/rustc_mir_transform/src/check_unsafety.rs

@@ -107,8 +107,8 @@ impl<'tcx> Visitor<'tcx> for UnsafetyChecker<'_, 'tcx> {
             | StatementKind::Nop => {
                 // safe (at least as emitted during MIR construction)
             }
-            // `AscribeUserType` just exists to help MIR borrowck.  It has no semantics, and
-            // everything is already reported by `PlaceMention`.
+            // `AscribeUserType` just exists to help MIR borrowck.
+            // It has no semantics, and everything is already reported by `PlaceMention`.
             StatementKind::AscribeUserType(..) => return,
         }
         self.super_statement(statement, location);