Don't insert spaces before most semicolons in `print_tts`.

This gives better output for code produced by proc macros.

26 files changed, 59 insertions, 73 deletions

diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs
index c2fd4558fd7..f7d8fee465d 100644
--- a/compiler/rustc_ast_pretty/src/pprust/state.rs
+++ b/compiler/rustc_ast_pretty/src/pprust/state.rs
@@ -160,6 +160,10 @@ fn space_between(tt1: &TokenTree, tt2: &TokenTree) -> bool {
     use TokenTree::Delimited as Del;
     use TokenTree::Token as Tok;
 
+    fn is_punct(tt: &TokenTree) -> bool {
+        matches!(tt, TokenTree::Token(tok, _) if tok.is_punct())
+    }
+
     // Each match arm has one or more examples in comments. The default is to
     // insert space between adjacent tokens, except for the cases listed in
     // this match.
@@ -180,6 +184,9 @@ fn space_between(tt1: &TokenTree, tt2: &TokenTree) -> bool {
         // - Never type: `Fn() ->!`
         (_, Tok(Token { kind: Comma | Dot | Not, .. }, _)) => false,
 
+        // NON-PUNCT + `;`: `x = 3;`, `[T; 3]`
+        (tt1, Tok(Token { kind: Semi, .. }, _)) if !is_punct(tt1) => false,
+
         // IDENT + `(`: `f(3)`
         //
         // FIXME: Incorrect cases:
diff --git a/tests/pretty/delimited-token-groups.rs b/tests/pretty/delimited-token-groups.rs
index c7c9277faf6..b24c35bf081 100644
--- a/tests/pretty/delimited-token-groups.rs
+++ b/tests/pretty/delimited-token-groups.rs
@@ -9,7 +9,7 @@ mac! {
     {
         fn clone() -> S
         {
-            panic! () ;
+            panic! ();
 
         }
     }
diff --git a/tests/pretty/macro_rules.rs b/tests/pretty/macro_rules.rs
index 01adb14133b..a5265446ee7 100644
--- a/tests/pretty/macro_rules.rs
+++ b/tests/pretty/macro_rules.rs
@@ -1,19 +1,19 @@
 // pp-exact
 
-macro_rules! brace { () => {} ; }
+macro_rules! brace { () => {}; }
 
-macro_rules! bracket[() => {} ;];
+macro_rules! bracket[() => {};];
 
-macro_rules! paren(() => {} ;);
+macro_rules! paren(() => {};);
 
 macro_rules! matcher_brackets {
-    (paren) => {} ; (bracket) => {} ; (brace) => {} ;
+    (paren) => {}; (bracket) => {}; (brace) => {};
 }
 
 macro_rules! all_fragments {
     ($b : block, $e : expr, $i : ident, $it : item, $l : lifetime, $lit :
     literal, $m : meta, $p : pat, $pth : path, $s : stmt, $tt : tt, $ty : ty,
-    $vis : vis) => {} ;
+    $vis : vis) => {};
 }
 
 fn main() {}
diff --git a/tests/pretty/stmt_expr_attributes.rs b/tests/pretty/stmt_expr_attributes.rs
index 052c45f2cb8..69b15317561 100644
--- a/tests/pretty/stmt_expr_attributes.rs
+++ b/tests/pretty/stmt_expr_attributes.rs
@@ -113,7 +113,7 @@ fn _8() {
 }
 
 fn _9() {
-    macro_rules! stmt_mac { () => { let _ = () ; } }
+    macro_rules! stmt_mac { () => { let _ = (); } }
 
     #[rustc_dummy]
     stmt_mac!();
diff --git a/tests/ui/macros/trace_faulty_macros.stderr b/tests/ui/macros/trace_faulty_macros.stderr
index 81047c7a21a..69607600b55 100644
--- a/tests/ui/macros/trace_faulty_macros.stderr
+++ b/tests/ui/macros/trace_faulty_macros.stderr
@@ -111,7 +111,7 @@ LL |     test!(let x = 1+1);
    = note: expanding `test! { let x = 1+1 }`
    = note: to `test! ((x, 1 + 1))`
    = note: expanding `test! { (x, 1 + 1) }`
-   = note: to `let x = 1 + 1 ;`
+   = note: to `let x = 1 + 1;`
 
 error: aborting due to 5 previous errors
 
diff --git a/tests/ui/proc-macro/allowed-attr-stmt-expr.stdout b/tests/ui/proc-macro/allowed-attr-stmt-expr.stdout
index 8459f4e6305..947d411e849 100644
--- a/tests/ui/proc-macro/allowed-attr-stmt-expr.stdout
+++ b/tests/ui/proc-macro/allowed-attr-stmt-expr.stdout
@@ -1,5 +1,4 @@
 PRINT-ATTR INPUT (DISPLAY): struct ItemWithSemi;
-PRINT-ATTR RE-COLLECTED (DISPLAY): struct ItemWithSemi ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -47,7 +46,6 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): #[expect_let] let string = "Hello, world!";
-PRINT-ATTR RE-COLLECTED (DISPLAY): #[expect_let] let string = "Hello, world!" ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
@@ -90,7 +88,7 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): #[expect_my_macro_stmt] my_macro!("{}", string);
-PRINT-ATTR RE-COLLECTED (DISPLAY): #[expect_my_macro_stmt] my_macro! ("{}", string) ;
+PRINT-ATTR RE-COLLECTED (DISPLAY): #[expect_my_macro_stmt] my_macro! ("{}", string);
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
@@ -144,7 +142,7 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): second_make_stmt!(#[allow(dead_code)] struct Bar {});
-PRINT-ATTR RE-COLLECTED (DISPLAY): second_make_stmt! (#[allow(dead_code)] struct Bar {}) ;
+PRINT-ATTR RE-COLLECTED (DISPLAY): second_make_stmt! (#[allow(dead_code)] struct Bar {});
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "second_make_stmt",
@@ -293,7 +291,6 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): #[rustc_dummy] struct NonBracedStruct;
-PRINT-ATTR RE-COLLECTED (DISPLAY): #[rustc_dummy] struct NonBracedStruct ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
diff --git a/tests/ui/proc-macro/attr-stmt-expr.stdout b/tests/ui/proc-macro/attr-stmt-expr.stdout
index 5e09198bbd4..e9fcbe304a0 100644
--- a/tests/ui/proc-macro/attr-stmt-expr.stdout
+++ b/tests/ui/proc-macro/attr-stmt-expr.stdout
@@ -30,7 +30,6 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): #[expect_let] let string = "Hello, world!";
-PRINT-ATTR RE-COLLECTED (DISPLAY): #[expect_let] let string = "Hello, world!" ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
@@ -73,7 +72,7 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): #[expect_my_macro_stmt] my_macro!("{}", string);
-PRINT-ATTR RE-COLLECTED (DISPLAY): #[expect_my_macro_stmt] my_macro! ("{}", string) ;
+PRINT-ATTR RE-COLLECTED (DISPLAY): #[expect_my_macro_stmt] my_macro! ("{}", string);
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
@@ -127,7 +126,7 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): second_make_stmt!(#[allow(dead_code)] struct Bar {});
-PRINT-ATTR RE-COLLECTED (DISPLAY): second_make_stmt! (#[allow(dead_code)] struct Bar {}) ;
+PRINT-ATTR RE-COLLECTED (DISPLAY): second_make_stmt! (#[allow(dead_code)] struct Bar {});
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "second_make_stmt",
diff --git a/tests/ui/proc-macro/attribute-spans-preserved.stdout b/tests/ui/proc-macro/attribute-spans-preserved.stdout
index 190098d0211..28f4daecc0e 100644
--- a/tests/ui/proc-macro/attribute-spans-preserved.stdout
+++ b/tests/ui/proc-macro/attribute-spans-preserved.stdout
@@ -1 +1 @@
-fn main() { let y : u32 = "z" ; { let x: u32 = "y"; } }
+fn main() { let y : u32 = "z"; { let x: u32 = "y"; } }
diff --git a/tests/ui/proc-macro/auxiliary/attr-stmt-expr.rs b/tests/ui/proc-macro/auxiliary/attr-stmt-expr.rs
index 7a29894bbcf..0af62888449 100644
--- a/tests/ui/proc-macro/auxiliary/attr-stmt-expr.rs
+++ b/tests/ui/proc-macro/auxiliary/attr-stmt-expr.rs
@@ -10,14 +10,14 @@ use proc_macro::TokenStream;
 #[proc_macro_attribute]
 pub fn expect_let(attr: TokenStream, item: TokenStream) -> TokenStream {
     assert!(attr.to_string().is_empty());
-    assert_eq!(item.to_string(), "let string = \"Hello, world!\" ;");
+    assert_eq!(item.to_string(), "let string = \"Hello, world!\";");
     item
 }
 
 #[proc_macro_attribute]
 pub fn expect_my_macro_stmt(attr: TokenStream, item: TokenStream) -> TokenStream {
     assert!(attr.to_string().is_empty());
-    assert_eq!(item.to_string(), "my_macro! (\"{}\", string) ;");
+    assert_eq!(item.to_string(), "my_macro! (\"{}\", string);");
     item
 }
 
diff --git a/tests/ui/proc-macro/cfg-eval-inner.stdout b/tests/ui/proc-macro/cfg-eval-inner.stdout
index 43ae47c201f..9fa8f437d0e 100644
--- a/tests/ui/proc-macro/cfg-eval-inner.stdout
+++ b/tests/ui/proc-macro/cfg-eval-inner.stdout
@@ -11,10 +11,10 @@ PRINT-ATTR RE-COLLECTED (DISPLAY): impl Foo <
     { field: [u8; { #![rustc_dummy(another_cursed_inner)] 1 }] } 0
 }] > { #![rustc_dummy(evaluated_attr)] fn bar() {} }
 PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): impl Foo <
-[u8 ;
+[u8;
 {
     #! [rustc_dummy(cursed_inner)] #! [allow(unused)] struct Inner
-    { field : [u8 ; { #! [rustc_dummy(another_cursed_inner)] 1 }] } 0
+    { field : [u8; { #! [rustc_dummy(another_cursed_inner)] 1 }] } 0
 }] > { #! [rustc_dummy(evaluated_attr)] fn bar() {} }
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
diff --git a/tests/ui/proc-macro/doc-comment-preserved.stdout b/tests/ui/proc-macro/doc-comment-preserved.stdout
index b0ea180d9bd..e9db3785d3d 100644
--- a/tests/ui/proc-macro/doc-comment-preserved.stdout
+++ b/tests/ui/proc-macro/doc-comment-preserved.stdout
@@ -6,7 +6,7 @@ PRINT-BANG INPUT (DISPLAY): /**
 *******
 */
  pub struct S;
-PRINT-BANG RE-COLLECTED (DISPLAY): #[doc = "\n*******\n* DOC *\n* DOC *\n* DOC *\n*******\n"] pub struct S ;
+PRINT-BANG RE-COLLECTED (DISPLAY): #[doc = "\n*******\n* DOC *\n* DOC *\n* DOC *\n*******\n"] pub struct S;
 PRINT-BANG INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
diff --git a/tests/ui/proc-macro/dollar-crate-issue-57089.stdout b/tests/ui/proc-macro/dollar-crate-issue-57089.stdout
index 7f97ac9dbc2..79b39d36ffb 100644
--- a/tests/ui/proc-macro/dollar-crate-issue-57089.stdout
+++ b/tests/ui/proc-macro/dollar-crate-issue-57089.stdout
@@ -1,5 +1,4 @@
 PRINT-BANG INPUT (DISPLAY): struct M($crate :: S);
-PRINT-BANG RE-COLLECTED (DISPLAY): struct M($crate :: S) ;
 PRINT-BANG INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -40,7 +39,6 @@ PRINT-BANG INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): struct A($crate :: S);
-PRINT-ATTR RE-COLLECTED (DISPLAY): struct A($crate :: S) ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
diff --git a/tests/ui/proc-macro/dollar-crate-issue-62325.stdout b/tests/ui/proc-macro/dollar-crate-issue-62325.stdout
index 96161049e30..bfd013476f3 100644
--- a/tests/ui/proc-macro/dollar-crate-issue-62325.stdout
+++ b/tests/ui/proc-macro/dollar-crate-issue-62325.stdout
@@ -1,5 +1,4 @@
 PRINT-ATTR INPUT (DISPLAY): struct A(identity! ($crate :: S));
-PRINT-ATTR RE-COLLECTED (DISPLAY): struct A(identity! ($crate :: S)) ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -55,7 +54,6 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): struct B(identity! ($crate :: S));
-PRINT-ATTR RE-COLLECTED (DISPLAY): struct B(identity! ($crate :: S)) ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
diff --git a/tests/ui/proc-macro/dollar-crate.stdout b/tests/ui/proc-macro/dollar-crate.stdout
index a6bdab00441..0278ef1ad0f 100644
--- a/tests/ui/proc-macro/dollar-crate.stdout
+++ b/tests/ui/proc-macro/dollar-crate.stdout
@@ -1,5 +1,4 @@
 PRINT-BANG INPUT (DISPLAY): struct M($crate :: S);
-PRINT-BANG RE-COLLECTED (DISPLAY): struct M($crate :: S) ;
 PRINT-BANG INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -40,7 +39,6 @@ PRINT-BANG INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): struct A($crate :: S);
-PRINT-ATTR RE-COLLECTED (DISPLAY): struct A($crate :: S) ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -81,7 +79,6 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): struct D($crate :: S);
-PRINT-DERIVE RE-COLLECTED (DISPLAY): struct D($crate :: S) ;
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -122,7 +119,6 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-BANG INPUT (DISPLAY): struct M($crate :: S);
-PRINT-BANG RE-COLLECTED (DISPLAY): struct M($crate :: S) ;
 PRINT-BANG INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -163,7 +159,6 @@ PRINT-BANG INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): struct A($crate :: S);
-PRINT-ATTR RE-COLLECTED (DISPLAY): struct A($crate :: S) ;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -204,7 +199,6 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): struct D($crate :: S);
-PRINT-DERIVE RE-COLLECTED (DISPLAY): struct D($crate :: S) ;
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
diff --git a/tests/ui/proc-macro/expand-to-derive.stdout b/tests/ui/proc-macro/expand-to-derive.stdout
index 9f03a469aeb..d59b7e5b88f 100644
--- a/tests/ui/proc-macro/expand-to-derive.stdout
+++ b/tests/ui/proc-macro/expand-to-derive.stdout
@@ -1,12 +1,12 @@
 PRINT-DERIVE INPUT (DISPLAY): struct Foo
 {
     field :
-    [bool ; { #[rustc_dummy] struct Inner { other_inner_field: u8, } 0 }]
+    [bool; { #[rustc_dummy] struct Inner { other_inner_field: u8, } 0 }]
 }
 PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo
 {
     field :
-    [bool ; { #[rustc_dummy] struct Inner { other_inner_field : u8, } 0 }]
+    [bool; { #[rustc_dummy] struct Inner { other_inner_field : u8, } 0 }]
 }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
diff --git a/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout b/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout
index eda2f433bce..ddd59b583a8 100644
--- a/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout
+++ b/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout
@@ -1,5 +1,5 @@
-PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] 0 ; 0 }, }
-PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = #[allow(warnings)] #[allow(warnings)] 0 ; 0 }, }
+PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] 0; 0 }, }
+PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = #[allow(warnings)] #[allow(warnings)] 0; 0 }, }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "enum",
@@ -123,7 +123,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0; }; 0 }, }
-PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 } ; 0 }, }
+PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 }; 0 }, }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "enum",
@@ -203,7 +203,6 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { {} }; 0 }, }
-PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { {} } ; 0 }, }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "enum",
@@ -282,7 +281,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH; }; 0 }, }
-PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH } ; 0 }, }
+PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH }; 0 }, }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "enum",
@@ -360,7 +359,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0 + 1; }; 0 }, }
-PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 + 1 } ; 0 }, }
+PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 + 1 }; 0 }, }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "enum",
@@ -451,7 +450,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH + 1; }; 0 }, }
-PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH + 1 } ; 0 }, }
+PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH + 1 }; 0 }, }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "enum",
diff --git a/tests/ui/proc-macro/inert-attribute-order.stdout b/tests/ui/proc-macro/inert-attribute-order.stdout
index 86b27217974..95b34ae84fd 100644
--- a/tests/ui/proc-macro/inert-attribute-order.stdout
+++ b/tests/ui/proc-macro/inert-attribute-order.stdout
@@ -2,10 +2,10 @@ PRINT-ATTR INPUT (DISPLAY): /// 1
 #[rustfmt::attr2] #[doc = "3"] #[doc = "4"] #[rustfmt::attr5] /// 6
 #[print_attr(nodebug)] struct S;
 PRINT-ATTR RE-COLLECTED (DISPLAY): #[doc = " 1"] #[rustfmt::attr2] #[doc = "3"] #[doc = "4"] #[rustfmt::attr5]
-#[doc = " 6"] #[print_attr(nodebug)] struct S ;
+#[doc = " 6"] #[print_attr(nodebug)] struct S;
 PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): #[doc = " 1"] #[rustfmt :: attr2] #[doc = "3"] #[doc = "4"]
-#[rustfmt :: attr5] #[doc = " 6"] #[print_attr(nodebug)] struct S ;
+#[rustfmt :: attr5] #[doc = " 6"] #[print_attr(nodebug)] struct S;
 PRINT-ATTR INPUT (DISPLAY): #[doc = " 1"] #[rustfmt::attr2] #[doc = "3"] #[doc = "4"] #[rustfmt::attr5]
-#[doc = " 6"] struct S ;
+#[doc = " 6"] struct S;
 PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): #[doc = " 1"] #[rustfmt :: attr2] #[doc = "3"] #[doc = "4"]
-#[rustfmt :: attr5] #[doc = " 6"] struct S ;
+#[rustfmt :: attr5] #[doc = " 6"] struct S;
diff --git a/tests/ui/proc-macro/inner-attrs.stdout b/tests/ui/proc-macro/inner-attrs.stdout
index 39ec6834f06..c8d93babe3a 100644
--- a/tests/ui/proc-macro/inner-attrs.stdout
+++ b/tests/ui/proc-macro/inner-attrs.stdout
@@ -581,10 +581,7 @@ PRINT-ATTR INPUT (DEBUG): TokenStream [
 PRINT-DERIVE INPUT (DISPLAY): struct MyDerivePrint
 { field: [u8; { match true { _ => { #![rustc_dummy(third)] true } }; 0 }] }
 PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct MyDerivePrint
-{
-    field :
-    [u8 ; { match true { _ => { #! [rustc_dummy(third)] true } } ; 0 }]
-}
+{ field : [u8; { match true { _ => { #! [rustc_dummy(third)] true } }; 0 }] }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
@@ -718,8 +715,7 @@ PRINT-ATTR_ARGS INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): (3, 4, { #![cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 });
-PRINT-ATTR RE-COLLECTED (DISPLAY): (3, 4, { #![cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 }) ;
-PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): (3, 4, { #! [cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 }) ;
+PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): (3, 4, { #! [cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 });
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Group {
         delimiter: Parenthesis,
@@ -834,8 +830,7 @@ PRINT-ATTR_ARGS INPUT (DEBUG): TokenStream [
     },
 ]
 PRINT-ATTR INPUT (DISPLAY): (3, 4, { #![cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 });
-PRINT-ATTR RE-COLLECTED (DISPLAY): (3, 4, { #![cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 }) ;
-PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): (3, 4, { #! [cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 }) ;
+PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): (3, 4, { #! [cfg_attr(not(FALSE), rustc_dummy(innermost))] 5 });
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Group {
         delimiter: Parenthesis,
diff --git a/tests/ui/proc-macro/input-interpolated.stdout b/tests/ui/proc-macro/input-interpolated.stdout
index 6a8789b2c41..f2a0bc3b1aa 100644
--- a/tests/ui/proc-macro/input-interpolated.stdout
+++ b/tests/ui/proc-macro/input-interpolated.stdout
@@ -5,7 +5,7 @@ PRINT-BANG INPUT (DEBUG): TokenStream [
         span: #0 bytes(503..504),
     },
 ]
-PRINT-ATTR INPUT (DISPLAY): const A : u8 = 0 ;
+PRINT-ATTR INPUT (DISPLAY): const A : u8 = 0;
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "const",
diff --git a/tests/ui/proc-macro/issue-75734-pp-paren.stdout b/tests/ui/proc-macro/issue-75734-pp-paren.stdout
index ee135366fb6..9919ab5625f 100644
--- a/tests/ui/proc-macro/issue-75734-pp-paren.stdout
+++ b/tests/ui/proc-macro/issue-75734-pp-paren.stdout
@@ -1,5 +1,5 @@
 PRINT-ATTR INPUT (DISPLAY): fn main() { &|_: u8| {}; mul_2!(1 + 1); }
-PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): fn main() { &| _ : u8 | {} ; mul_2! (1 + 1) ; }
+PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): fn main() { &| _ : u8 | {}; mul_2! (1 + 1); }
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Ident {
         ident: "fn",
diff --git a/tests/ui/proc-macro/issue-75930-derive-cfg.stdout b/tests/ui/proc-macro/issue-75930-derive-cfg.stdout
index 093e37f8a8d..cc712abf2a5 100644
--- a/tests/ui/proc-macro/issue-75930-derive-cfg.stdout
+++ b/tests/ui/proc-macro/issue-75930-derive-cfg.stdout
@@ -51,22 +51,22 @@ struct Foo <#[cfg(FALSE)] A, B >
 {
     #[cfg(FALSE)] first : String, #[cfg_attr(FALSE, deny(warnings))] second :
     bool, third :
-    [u8 ;
+    [u8;
     {
-        #[cfg(FALSE)] struct Bar ; #[cfg(not(FALSE))] struct Inner ;
-        #[cfg(FALSE)] let a = 25 ; match true
+        #[cfg(FALSE)] struct Bar; #[cfg(not(FALSE))] struct Inner;
+        #[cfg(FALSE)] let a = 25; match true
         {
             #[cfg(FALSE)] true => {}, #[cfg_attr(not(FALSE), allow(warnings))]
             false => {}, _ => {}
-        } ; #[print_helper(should_be_removed)] fn removed_fn()
+        }; #[print_helper(should_be_removed)] fn removed_fn()
         { #! [cfg(FALSE)] } #[print_helper(c)] #[cfg(not(FALSE))] fn kept_fn()
-        { #! [cfg(not(FALSE))] let my_val = true ; } enum TupleEnum
+        { #! [cfg(not(FALSE))] let my_val = true; } enum TupleEnum
         {
             Foo(#[cfg(FALSE)] u8, #[cfg(FALSE)] bool, #[cfg(not(FALSE))] i32,
             #[cfg(FALSE)] String, u8)
         } struct
         TupleStruct(#[cfg(FALSE)] String, #[cfg(not(FALSE))] i32,
-        #[cfg(FALSE)] bool, u8) ; fn plain_removed_fn()
+        #[cfg(FALSE)] bool, u8); fn plain_removed_fn()
         { #! [cfg_attr(not(FALSE), cfg(FALSE))] } 0
     }], #[print_helper(d)] fourth : B
 }
@@ -1336,14 +1336,14 @@ PRINT-DERIVE INPUT (DISPLAY): #[print_helper(a)] #[allow(dead_code)] #[print_hel
 PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): #[print_helper(a)] #[allow(dead_code)] #[print_helper(b)] struct Foo <B >
 {
     second : bool, third :
-    [u8 ;
+    [u8;
     {
-        #[cfg(not(FALSE))] struct Inner ; match true
-        { #[allow(warnings)] false => {}, _ => {} } ; #[print_helper(c)]
+        #[cfg(not(FALSE))] struct Inner; match true
+        { #[allow(warnings)] false => {}, _ => {} }; #[print_helper(c)]
         #[cfg(not(FALSE))] fn kept_fn()
-        { #! [cfg(not(FALSE))] let my_val = true ; } enum TupleEnum
+        { #! [cfg(not(FALSE))] let my_val = true; } enum TupleEnum
         { Foo(#[cfg(not(FALSE))] i32, u8) } struct
-        TupleStruct(#[cfg(not(FALSE))] i32, u8) ; 0
+        TupleStruct(#[cfg(not(FALSE))] i32, u8); 0
     }], #[print_helper(d)] fourth : B
 }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
diff --git a/tests/ui/proc-macro/keep-expr-tokens.stdout b/tests/ui/proc-macro/keep-expr-tokens.stdout
index 8e4d4785e2e..fdd19126109 100644
--- a/tests/ui/proc-macro/keep-expr-tokens.stdout
+++ b/tests/ui/proc-macro/keep-expr-tokens.stdout
@@ -1,5 +1,5 @@
 PRINT-ATTR INPUT (DISPLAY): #[rustc_dummy] { 1 +1; }
-PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): #[rustc_dummy] { 1 + 1 ; }
+PRINT-ATTR DEEP-RE-COLLECTED (DISPLAY): #[rustc_dummy] { 1 + 1; }
 PRINT-ATTR INPUT (DEBUG): TokenStream [
     Punct {
         ch: '#',
diff --git a/tests/ui/proc-macro/macro-rules-derive-cfg.stdout b/tests/ui/proc-macro/macro-rules-derive-cfg.stdout
index 89817a1efdc..257d59974b8 100644
--- a/tests/ui/proc-macro/macro-rules-derive-cfg.stdout
+++ b/tests/ui/proc-macro/macro-rules-derive-cfg.stdout
@@ -1,7 +1,7 @@
 PRINT-DERIVE INPUT (DISPLAY): struct Foo
 {
     val :
-    [bool ;
+    [bool;
     {
         let a = #[rustc_dummy(first)] #[rustc_dummy(second)]
         { #![allow(unused)] 30 }; 0
@@ -10,10 +10,10 @@ PRINT-DERIVE INPUT (DISPLAY): struct Foo
 PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo
 {
     val :
-    [bool ;
+    [bool;
     {
         let a = #[rustc_dummy(first)] #[rustc_dummy(second)]
-        { #! [allow(unused)] 30 } ; 0
+        { #! [allow(unused)] 30 }; 0
     }]
 }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
diff --git a/tests/ui/proc-macro/nested-derive-cfg.stdout b/tests/ui/proc-macro/nested-derive-cfg.stdout
index c94808c3c0f..a3046e4ab85 100644
--- a/tests/ui/proc-macro/nested-derive-cfg.stdout
+++ b/tests/ui/proc-macro/nested-derive-cfg.stdout
@@ -1,7 +1,7 @@
 PRINT-DERIVE INPUT (DISPLAY): struct Foo
 { my_array: [bool; { struct Inner { non_removed_inner_field: usize } 0 }] }
 PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): struct Foo
-{ my_array : [bool ; { struct Inner { non_removed_inner_field : usize } 0 }] }
+{ my_array : [bool; { struct Inner { non_removed_inner_field : usize } 0 }] }
 PRINT-DERIVE INPUT (DEBUG): TokenStream [
     Ident {
         ident: "struct",
diff --git a/tests/ui/proc-macro/nonterminal-token-hygiene.stdout b/tests/ui/proc-macro/nonterminal-token-hygiene.stdout
index d3c2c46ac75..cf9addb8a94 100644
--- a/tests/ui/proc-macro/nonterminal-token-hygiene.stdout
+++ b/tests/ui/proc-macro/nonterminal-token-hygiene.stdout
@@ -1,5 +1,4 @@
 PRINT-BANG INPUT (DISPLAY): struct S;
-PRINT-BANG DEEP-RE-COLLECTED (DISPLAY): struct S ;
 PRINT-BANG INPUT (DEBUG): TokenStream [
     Group {
         delimiter: None,
diff --git a/tests/ui/proc-macro/pretty-print-tts.stdout b/tests/ui/proc-macro/pretty-print-tts.stdout
index fbe8640a01a..ce404313507 100644
--- a/tests/ui/proc-macro/pretty-print-tts.stdout
+++ b/tests/ui/proc-macro/pretty-print-tts.stdout
@@ -1,5 +1,5 @@
 PRINT-BANG INPUT (DISPLAY): { #![rustc_dummy] let a = "hello".len(); matches!(a, 5); }
-PRINT-BANG DEEP-RE-COLLECTED (DISPLAY): { #! [rustc_dummy] let a = "hello".len() ; matches! (a, 5) ; }
+PRINT-BANG DEEP-RE-COLLECTED (DISPLAY): { #! [rustc_dummy] let a = "hello".len(); matches! (a, 5); }
 PRINT-BANG INPUT (DEBUG): TokenStream [
     Group {
         delimiter: Brace,