Auto merge of #104573 - matthiaskrgr:rollup-k36ybtp, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #101162 (Migrate rustc_resolve to use SessionDiagnostic, part # 1)
 - #103386 (Don't allow `CoerceUnsized` into `dyn*` (except for trait upcasting))
 - #103405 (Detect incorrect chaining of if and if let conditions and recover)
 - #103594 (Fix non-associativity of `Instant` math on `aarch64-apple-darwin` targets)
 - #104006 (Add variant_name function to `LangItem`)
 - #104494 (Migrate GUI test to use functions)
 - #104516 (rustdoc: clean up sidebar width CSS)
 - #104550 (fix a typo)

Failed merges:

 - #104554 (Use `ErrorGuaranteed::unchecked_claim_error_was_emitted` less)

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

1 files changed, 8 insertions, 0 deletions

diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index 724d92254a4..211450250fd 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -1219,3 +1219,11 @@ pub(crate) struct FnPtrWithGenericsSugg {
     pub arity: usize,
     pub for_param_list_exists: bool,
 }
+
+#[derive(Diagnostic)]
+#[diag(parser_unexpected_if_with_if)]
+pub(crate) struct UnexpectedIfWithIf(
+    #[primary_span]
+    #[suggestion(applicability = "machine-applicable", code = " ", style = "verbose")]
+    pub Span,
+);