Auto merge of #121489 - nnethercote:diag-renaming, r=davidtwco

Diagnostic renaming

Renaming various diagnostic types from `Diagnostic*` to `Diag*`. Part of https://github.com/rust-lang/compiler-team/issues/722. There are more to do but this is enough for one PR.

r? `@davidtwco`

1 files changed, 4 insertions, 4 deletions

diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index f5d4f4f57b9..f5a7bfd42ff 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -26,7 +26,7 @@ use rustc_ast::{Arm, BlockCheckMode, Expr, ExprKind, Label, Movability, RangeLim
 use rustc_ast::{ClosureBinder, MetaItemLit, StmtKind};
 use rustc_ast_pretty::pprust;
 use rustc_data_structures::stack::ensure_sufficient_stack;
-use rustc_errors::{AddToDiagnostic, Applicability, DiagnosticBuilder, PResult, StashKey};
+use rustc_errors::{AddToDiagnostic, Applicability, Diag, PResult, StashKey};
 use rustc_lexer::unescape::unescape_char;
 use rustc_macros::Subdiagnostic;
 use rustc_session::errors::{report_lit_error, ExprParenthesesNeeded};
@@ -866,7 +866,7 @@ impl<'a> Parser<'a> {
             );
             let mut err = self.dcx().struct_span_err(span, msg);
 
-            let suggest_parens = |err: &mut DiagnosticBuilder<'_>| {
+            let suggest_parens = |err: &mut Diag<'_>| {
                 let suggestions = vec![
                     (span.shrink_to_lo(), "(".to_string()),
                     (span.shrink_to_hi(), ")".to_string()),
@@ -1759,7 +1759,7 @@ impl<'a> Parser<'a> {
         &self,
         ident: Ident,
         mk_lit_char: impl FnOnce(Symbol, Span) -> L,
-        err: impl FnOnce(&Self) -> DiagnosticBuilder<'a>,
+        err: impl FnOnce(&Self) -> Diag<'a>,
     ) -> L {
         assert!(could_be_unclosed_char_literal(ident));
         if let Some(diag) = self.dcx().steal_diagnostic(ident.span, StashKey::LifetimeIsChar) {
@@ -3447,7 +3447,7 @@ impl<'a> Parser<'a> {
         let mut recovered_async = None;
         let in_if_guard = self.restrictions.contains(Restrictions::IN_IF_GUARD);
 
-        let async_block_err = |e: &mut DiagnosticBuilder<'_>, span: Span| {
+        let async_block_err = |e: &mut Diag<'_>, span: Span| {
             errors::AsyncBlockIn2015 { span }.add_to_diagnostic(e);
             errors::HelpUseLatestEdition::new().add_to_diagnostic(e);
         };