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>>;

library/alloc/tests/vec.rs

@@ -919,7 +919,7 @@ fn test_from_iter_partially_drained_in_place_specialization() {
 
 #[test]
 fn test_from_iter_specialization_with_iterator_adapters() {
-    fn assert_in_place_trait<T: InPlaceIterable>(_: &T) {};
+    fn assert_in_place_trait<T: InPlaceIterable>(_: &T) {}
     let src: Vec<usize> = vec![0usize; 256];
     let srcptr = src.as_ptr();
     let iter = src
@@ -1198,7 +1198,7 @@ fn drain_filter_consumed_panic() {
     struct Check {
         index: usize,
         drop_counts: Rc<Mutex<Vec<usize>>>,
-    };
+    }
 
     impl Drop for Check {
         fn drop(&mut self) {
@@ -1250,7 +1250,7 @@ fn drain_filter_unconsumed_panic() {
     struct Check {
         index: usize,
         drop_counts: Rc<Mutex<Vec<usize>>>,
-    };
+    }
 
     impl Drop for Check {
         fn drop(&mut self) {

library/core/src/fmt/mod.rs

@@ -1182,7 +1182,7 @@ impl<'a> Formatter<'a> {
     /// ```
     /// use std::fmt;
     ///
-    /// struct Foo { nb: i32 };
+    /// struct Foo { nb: i32 }
     ///
     /// impl Foo {
     ///     fn new(nb: i32) -> Foo {

library/core/src/future/poll_fn.rs

@@ -21,7 +21,7 @@ use crate::task::{Context, Poll};
 ///
 /// let read_future = poll_fn(read_line);
 /// assert_eq!(read_future.await, "Hello, World!".to_owned());
-/// # };
+/// # }
 /// ```
 #[unstable(feature = "future_poll_fn", issue = "72302")]
 pub fn poll_fn<T, F>(f: F) -> PollFn<F>

library/core/src/mem/maybe_uninit.rs

@@ -348,7 +348,7 @@ impl<T> MaybeUninit<T> {
     /// ```rust,no_run
     /// use std::mem::MaybeUninit;
     ///
-    /// enum NotZero { One = 1, Two = 2 };
+    /// enum NotZero { One = 1, Two = 2 }
     ///
     /// let x = MaybeUninit::<(u8, NotZero)>::zeroed();
     /// let x = unsafe { x.assume_init() };

library/core/tests/ptr.rs

@@ -18,7 +18,7 @@ fn test() {
         struct Pair {
             fst: isize,
             snd: isize,
-        };
+        }
         let mut p = Pair { fst: 10, snd: 20 };
         let pptr: *mut Pair = &mut p;
         let iptr: *mut isize = pptr as *mut isize;

library/test/src/lib.rs

@@ -265,14 +265,14 @@ where
             running_tests.remove(test);
         }
         timed_out
-    };
+    }
 
     fn calc_timeout(running_tests: &TestMap) -> Option<Duration> {
         running_tests.values().min().map(|next_timeout| {
             let now = Instant::now();
             if *next_timeout >= now { *next_timeout - now } else { Duration::new(0, 0) }
         })
-    };
+    }
 
     if concurrency == 1 {
         while !remaining.is_empty() {

src/test/ui/associated-type-bounds/dyn-impl-trait-type.rs

@@ -30,7 +30,7 @@ fn def_et3() -> Et3 {
     impl Tr1 for A {
         type As1 = core::ops::Range<u8>;
         fn mk(&self) -> Self::As1 { 0..10 }
-    };
+    }
     Box::new(A)
 }
 pub fn use_et3() {

src/test/ui/associated-type-bounds/dyn-lcsit.rs

@@ -33,7 +33,7 @@ const cdef_et3: &dyn Tr1<As1: Clone + Iterator<Item: Add<u8, Output: Into<u8>>>>
     impl Tr1 for A {
         type As1 = core::ops::Range<u8>;
         fn mk(&self) -> Self::As1 { 0..10 }
-    };
+    }
     &A
 };
 pub fn use_et3() {

src/test/ui/associated-type-bounds/dyn-rpit-and-let.rs

@@ -35,7 +35,7 @@ fn def_et3() -> Box<dyn Tr1<As1: Clone + Iterator<Item: Add<u8, Output: Into<u8>
     impl Tr1 for A {
         type As1 = core::ops::Range<u8>;
         fn mk(&self) -> Self::As1 { 0..10 }
-    };
+    }
     let x /* : Box<dyn Tr1<As1: Clone + Iterator<Item: Add<u8, Output: Into<u8>>>>> */
         = Box::new(A);
     x

src/test/ui/associated-type-bounds/lcsit.rs

@@ -39,7 +39,7 @@ const cdef_et3: impl Tr1<As1: Clone + Iterator<Item: Add<u8, Output: Into<u8>>>>
     impl Tr1 for A {
         type As1 = core::ops::Range<u8>;
         fn mk(&self) -> Self::As1 { 0..10 }
-    };
+    }
     let x: impl Tr1<As1: Clone + Iterator<Item: Add<u8, Output: Into<u8>>>> = A;
     x
 };

src/test/ui/associated-type-bounds/rpit.rs

@@ -27,7 +27,7 @@ fn def_et3() -> impl Tr1<As1: Clone + Iterator<Item: Add<u8, Output: Into<u8>>>>
     impl Tr1 for A {
         type As1 = core::ops::Range<u8>;
         fn mk(self) -> Self::As1 { 0..10 }
-    };
+    }
     A
 }
 

src/test/ui/associated-type-bounds/trait-alias-impl-trait.rs

@@ -31,7 +31,7 @@ fn def_et3() -> Et3 {
     impl Tr1 for A {
         type As1 = core::ops::Range<u8>;
         fn mk(self) -> Self::As1 { 0..10 }
-    };
+    }
     A
 }
 pub fn use_et3() {

src/test/ui/const-generics/min_const_generics/macro.rs

@@ -15,14 +15,14 @@ impl<const N: usize> Marker<N> for Example<N> {}
 
 fn make_marker() -> impl Marker<{
     #[macro_export]
-    macro_rules! const_macro { () => {{ 3 }} }; inline!()
+    macro_rules! const_macro { () => {{ 3 }} } inline!()
 }> {
   Example::<{ const_macro!() }>
 }
 
 fn from_marker(_: impl Marker<{
     #[macro_export]
-    macro_rules! inline { () => {{ 3 }} }; inline!()
+    macro_rules! inline { () => {{ 3 }} } inline!()
 }>) {}
 
 fn main() {
@@ -30,7 +30,7 @@ fn main() {
     #[macro_export]
     macro_rules! gimme_a_const {
       ($rusty: ident) => {{ let $rusty = 3; *&$rusty }}
-    };
+    }
     gimme_a_const!(run)
   }>;
 
@@ -42,13 +42,13 @@ fn main() {
 
   let _ok: [u8; {
     #[macro_export]
-    macro_rules! const_two { () => {{ 2 }} };
+    macro_rules! const_two { () => {{ 2 }} }
     const_two!()
   }];
 
   let _ok = [0; {
     #[macro_export]
-    macro_rules! const_three { () => {{ 3 }} };
+    macro_rules! const_three { () => {{ 3 }} }
     const_three!()
   }];
   let _ok = [0; const_three!()];

src/test/ui/issues/issue-10767.rs

@@ -5,6 +5,6 @@
 
 pub fn main() {
     fn f() {
-    };
+    }
     let _: Box<fn()> = box (f as fn());
 }

src/test/ui/issues/issue-2074.rs

@@ -5,11 +5,11 @@
 
 pub fn main() {
     let one = || {
-        enum r { a };
+        enum r { a }
         r::a as usize
     };
     let two = || {
-        enum r { a };
+        enum r { a }
         r::a as usize
     };
     one(); two();

src/test/ui/macros/macro-2.rs

@@ -3,7 +3,7 @@ pub fn main() {
 
     macro_rules! mylambda_tt {
         ($x:ident, $body:expr) => ({
-            fn f($x: isize) -> isize { return $body; };
+            fn f($x: isize) -> isize { return $body; }
             f
         })
     }

src/test/ui/macros/macro-path.rs

@@ -8,7 +8,7 @@ mod m {
 
 macro_rules! foo {
     ($p:path) => ({
-        fn f() -> $p { 10 };
+        fn f() -> $p { 10 }
         f()
     })
 }

src/test/ui/structs-enums/nested-enum-same-names.rs

@@ -17,10 +17,10 @@ as it does not include the method name in the symbol name.
 pub struct Foo;
 impl Foo {
     pub fn foo() {
-        enum Panic { Common };
+        enum Panic { Common }
     }
     pub fn bar() {
-        enum Panic { Common };
+        enum Panic { Common }
     }
 }
 

src/test/ui/try-is-identifier-edition2015.rs

@@ -5,7 +5,7 @@
 
 fn main() {
     let try = 2;
-    struct try { try: u32 };
+    struct try { try: u32 }
     let try: try = try { try };
     assert_eq!(try.try, 2);
 }

src/test/ui/zero-sized/zero-size-type-destructors.rs

@@ -10,7 +10,7 @@ pub fn foo() {
         fn drop(&mut self) {
           unsafe { destructions -= 1 };
         }
-    };
+    }
 
     let _x = [Foo, Foo, Foo];
 }