Revert "Rollup merge of #76285 - matklad:censor-spacing, r=petrochenkov"

This reverts commit 85cee57fd791d670d92dc61e0ad71594128dd45a, reversing
changes made to b4d387302416c90a3f70211770292d8d8ab5e07d.

2 files changed, 9 insertions, 6 deletions

diff --git a/compiler/rustc_parse/src/lexer/tokentrees.rs b/compiler/rustc_parse/src/lexer/tokentrees.rs
index fb27ccfbd94..d5977ca3c7d 100644
--- a/compiler/rustc_parse/src/lexer/tokentrees.rs
+++ b/compiler/rustc_parse/src/lexer/tokentrees.rs
@@ -262,7 +262,10 @@ impl<'a> TokenTreesReader<'a> {
             }
             _ => {
                 let tt = TokenTree::Token(self.token.take());
-                let is_joint = self.bump();
+                let mut is_joint = self.bump();
+                if !self.token.is_op() {
+                    is_joint = NonJoint;
+                }
                 Ok((tt, is_joint))
             }
         }
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index 1b2067f8f25..84edfecad19 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -822,15 +822,15 @@ impl<'a> Parser<'a> {
         }
 
         let frame = &self.token_cursor.frame;
-        match frame.tree_cursor.look_ahead(dist - 1) {
+        looker(&match frame.tree_cursor.look_ahead(dist - 1) {
             Some(tree) => match tree {
-                TokenTree::Token(token) => looker(token),
+                TokenTree::Token(token) => token,
                 TokenTree::Delimited(dspan, delim, _) => {
-                    looker(&Token::new(token::OpenDelim(delim.clone()), dspan.open))
+                    Token::new(token::OpenDelim(delim), dspan.open)
                 }
             },
-            None => looker(&Token::new(token::CloseDelim(frame.delim), frame.span.close)),
-        }
+            None => Token::new(token::CloseDelim(frame.delim), frame.span.close),
+        })
     }
 
     /// Returns whether any of the given keywords are `dist` tokens ahead of the current one.