Auto merge of #118082 - compiler-errors:rollup-ejsc8yd, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #117828 (Avoid iterating over hashmaps in astconv)
 - #117832 (interpret: simplify handling of shifts by no longer trying to handle signed and unsigned shift amounts in the same branch)
 - #117891 (Recover `dyn` and `impl` after `for<...>`)
 - #117957 (if available use a Child's pidfd for kill/wait)
 - #117988 (Handle attempts to have multiple `cfg`d tail expressions)
 - #117994 (Ignore but do not assume region obligations from unifying headers in negative coherence)
 - #118000 (Make regionck care about placeholders in outlives components)
 - #118068 (subtree update cg_gcc 2023/11/17)

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

1 files changed, 20 insertions, 0 deletions

diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index 99e66fddc70..7ce348619c6 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -2827,3 +2827,23 @@ pub(crate) struct GenericArgsInPatRequireTurbofishSyntax {
     )]
     pub suggest_turbofish: Span,
 }
+
+#[derive(Diagnostic)]
+#[diag(parse_transpose_dyn_or_impl)]
+pub(crate) struct TransposeDynOrImpl<'a> {
+    #[primary_span]
+    pub span: Span,
+    pub kw: &'a str,
+    #[subdiagnostic]
+    pub sugg: TransposeDynOrImplSugg<'a>,
+}
+
+#[derive(Subdiagnostic)]
+#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
+pub(crate) struct TransposeDynOrImplSugg<'a> {
+    #[suggestion_part(code = "")]
+    pub removal_span: Span,
+    #[suggestion_part(code = "{kw} ")]
+    pub insertion_span: Span,
+    pub kw: &'a str,
+}