Replace `&mut DiagnosticBuilder`, in signatures, with `&mut Diagnostic`.

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index 7cb8c35b868..8283fd0d207 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -17,7 +17,7 @@ use rustc_ast::{self as ast, AttrStyle, AttrVec, CaptureBy, ExprField, Lit, UnOp
 use rustc_ast::{AnonConst, BinOp, BinOpKind, FnDecl, FnRetTy, MacCall, Param, Ty, TyKind};
 use rustc_ast::{Arm, Async, BlockCheckMode, Expr, ExprKind, Label, Movability, RangeLimits};
 use rustc_ast_pretty::pprust;
-use rustc_errors::{Applicability, DiagnosticBuilder, PResult};
+use rustc_errors::{Applicability, Diagnostic, DiagnosticBuilder, PResult};
 use rustc_session::lint::builtin::BREAK_WITH_LABEL_AND_LOOP;
 use rustc_session::lint::BuiltinLintDiagnostics;
 use rustc_span::edition::LATEST_STABLE_EDITION;
@@ -2653,7 +2653,7 @@ impl<'a> Parser<'a> {
         let mut base = ast::StructRest::None;
         let mut recover_async = false;
 
-        let mut async_block_err = |e: &mut DiagnosticBuilder<'_>, span: Span| {
+        let mut async_block_err = |e: &mut Diagnostic, span: Span| {
             recover_async = true;
             e.span_label(span, "`async` blocks are only allowed in Rust 2018 or later");
             e.help(&format!("set `edition = \"{}\"` in `Cargo.toml`", LATEST_STABLE_EDITION));