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, 5 insertions, 10 deletions

diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs
index 79eb4406b8a..988a7e1033e 100644
--- a/compiler/rustc_codegen_gcc/src/errors.rs
+++ b/compiler/rustc_codegen_gcc/src/errors.rs
@@ -1,6 +1,5 @@
 use rustc_errors::{
-    DiagCtxt, DiagnosticArgValue, DiagnosticBuilder, EmissionGuarantee, IntoDiagnostic,
-    IntoDiagnosticArg, Level,
+    DiagCtxt, DiagArgValue, Diag, EmissionGuarantee, IntoDiagnostic, IntoDiagnosticArg, Level,
 };
 use rustc_macros::{Diagnostic, Subdiagnostic};
 use rustc_span::Span;
@@ -35,11 +34,11 @@ pub(crate) enum PossibleFeature<'a> {
 struct ExitCode(Option<i32>);
 
 impl IntoDiagnosticArg for ExitCode {
-    fn into_diagnostic_arg(self) -> DiagnosticArgValue {
+    fn into_diagnostic_arg(self) -> DiagArgValue {
         let ExitCode(exit_code) = self;
         match exit_code {
             Some(t) => t.into_diagnostic_arg(),
-            None => DiagnosticArgValue::Str(Cow::Borrowed("<signal>")),
+            None => DiagArgValue::Str(Cow::Borrowed("<signal>")),
         }
     }
 }
@@ -112,12 +111,8 @@ pub(crate) struct TargetFeatureDisableOrEnable<'a> {
 pub(crate) struct MissingFeatures;
 
 impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetFeatureDisableOrEnable<'_> {
-    fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
-        let mut diag = DiagnosticBuilder::new(
-            dcx,
-            level,
-            fluent::codegen_gcc_target_feature_disable_or_enable
-        );
+    fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> {
+        let mut diag = Diag::new(dcx, level, fluent::codegen_gcc_target_feature_disable_or_enable);
         if let Some(span) = self.span {
             diag.span(span);
         };