Auto merge of #107451 - matthiaskrgr:rollup-m4ucfu8, r=matthiaskrgr

Rollup of 11 pull requests

Successful merges:

 - #96763 (Fix maintainer validation message)
 - #106540 (Insert whitespace to avoid ident concatenation in suggestion)
 - #106763 (print why a test was ignored if its the only test specified)
 - #106769 (libtest: Print why a test was ignored if it's the only test specified.)
 - #106798 (Implement `signum` with `Ord`)
 - #107006 (Output tree representation on thir-tree)
 - #107078 (Update wording of invalid_doc_attributes docs.)
 - #107169 (Pass `--locked` to the x test tidy call)
 - #107431 (docs: remove colon from time header)
 - #107432 (rustdoc: remove unused class `has-srclink`)
 - #107448 (When stamp doesn't exist, should say Error, and print path to stamp file)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs
index 25de0a9e750..82d9138c7a3 100644
--- a/compiler/rustc_parse/src/parser/ty.rs
+++ b/compiler/rustc_parse/src/parser/ty.rs
@@ -1048,7 +1048,7 @@ impl<'a> Parser<'a> {
                 self.parse_remaining_bounds(bounds, true)?;
                 self.expect(&token::CloseDelim(Delimiter::Parenthesis))?;
                 let sp = vec![lo, self.prev_token.span];
-                let sugg: Vec<_> = sp.iter().map(|sp| (*sp, String::new())).collect();
+                let sugg = vec![(lo, String::from(" ")), (self.prev_token.span, String::new())];
                 self.struct_span_err(sp, "incorrect braces around trait bounds")
                     .multipart_suggestion(
                         "remove the parentheses",