Fix new 'unnecessary trailing semicolon' warnings

compiler/rustc_codegen_ssa/src/mir/block.rs

@@ -451,7 +451,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
             Inhabited,
             ZeroValid,
             UninitValid,
-        };
+        }
         let panic_intrinsic = intrinsic.and_then(|i| match i {
             sym::assert_inhabited => Some(AssertIntrinsic::Inhabited),
             sym::assert_zero_valid => Some(AssertIntrinsic::ZeroValid),

compiler/rustc_lint/src/builtin.rs

@@ -2345,7 +2345,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
         enum InitKind {
             Zeroed,
             Uninit,
-        };
+        }
 
         /// Information about why a type cannot be initialized this way.
         /// Contains an error message and optionally a span to point at.

compiler/rustc_lint/src/types.rs

@@ -1131,7 +1131,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> {
     fn check_for_opaque_ty(&mut self, sp: Span, ty: Ty<'tcx>) -> bool {
         struct ProhibitOpaqueTypes<'a, 'tcx> {
             cx: &'a LateContext<'tcx>,
-        };
+        }
 
         impl<'a, 'tcx> ty::fold::TypeVisitor<'tcx> for ProhibitOpaqueTypes<'a, 'tcx> {
             type BreakTy = Ty<'tcx>;

compiler/rustc_middle/src/mir/visit.rs

@@ -254,7 +254,7 @@ macro_rules! make_mir_visitor {
                 macro_rules! basic_blocks {
                     (mut) => (body.basic_blocks_mut().iter_enumerated_mut());
                     () => (body.basic_blocks().iter_enumerated());
-                };
+                }
                 for (bb, data) in basic_blocks!($($mutability)?) {
                     self.visit_basic_block_data(bb, data);
                 }
@@ -275,7 +275,7 @@ macro_rules! make_mir_visitor {
                 macro_rules! type_annotations {
                     (mut) => (body.user_type_annotations.iter_enumerated_mut());
                     () => (body.user_type_annotations.iter_enumerated());
-                };
+                }
 
                 for (index, annotation) in type_annotations!($($mutability)?) {
                     self.visit_user_type_annotation(
@@ -909,7 +909,7 @@ macro_rules! make_mir_visitor {
                 macro_rules! basic_blocks {
                     (mut) => (body.basic_blocks_mut());
                     () => (body.basic_blocks());
-                };
+                }
                 let basic_block = & $($mutability)? basic_blocks!($($mutability)?)[location.block];
                 if basic_block.statements.len() == location.statement_index {
                     if let Some(ref $($mutability)? terminator) = basic_block.terminator {

compiler/rustc_middle/src/ty/instance.rs

@@ -540,7 +540,7 @@ fn polymorphize<'tcx>(
 
     struct PolymorphizationFolder<'tcx> {
         tcx: TyCtxt<'tcx>,
-    };
+    }
 
     impl ty::TypeFolder<'tcx> for PolymorphizationFolder<'tcx> {
         fn tcx<'a>(&'a self) -> TyCtxt<'tcx> {

compiler/rustc_mir/src/interpret/util.rs

@@ -15,7 +15,7 @@ where
 
     struct UsedParamsNeedSubstVisitor<'tcx> {
         tcx: TyCtxt<'tcx>,
-    };
+    }
 
     impl<'tcx> TypeVisitor<'tcx> for UsedParamsNeedSubstVisitor<'tcx> {
         type BreakTy = ();

compiler/rustc_ty_utils/src/ty.rs

@@ -309,7 +309,7 @@ fn well_formed_types_in_env<'tcx>(
         InherentImpl,
         Fn,
         Other,
-    };
+    }
 
     let node_kind = match node {
         Node::TraitItem(item) => match item.kind {

compiler/rustc_typeck/src/check/check.rs

@@ -477,7 +477,7 @@ pub(super) fn check_opaque_for_inheriting_lifetimes(
     struct ProhibitOpaqueVisitor<'tcx> {
         opaque_identity_ty: Ty<'tcx>,
         generics: &'tcx ty::Generics,
-    };
+    }
 
     impl<'tcx> ty::fold::TypeVisitor<'tcx> for ProhibitOpaqueVisitor<'tcx> {
         type BreakTy = Option<Ty<'tcx>>;