Fix weird code setting in create_feature_err.

nnethercote · nnethercote · commit 4048abda9871 · 2023-12-22T14:21:40.000+11:00
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
@@ -471,7 +471,7 @@ impl Session {
     ) -> DiagnosticBuilder<'a> {
         let mut err = self.parse_sess.create_err(err);
         if err.code.is_none() {
-            err.code = std::option::Option::Some(error_code!(E0658));
+            err.code(error_code!(E0658));
         }
         add_feature_diagnostics(&mut err, &self.parse_sess, feature);
         err

Original file line number	Diff line number	Diff line change
`@@ -471,7 +471,7 @@ impl Session {`
`471`	`471`	`) -> DiagnosticBuilder<'a> {`
`472`	`472`	`let mut err = self.parse_sess.create_err(err);`
`473`	`473`	`if err.code.is_none() {`
`474`		`- err.code = std::option::Option::Some(error_code!(E0658));`
	`474`	`+ err.code(error_code!(E0658));`
`475`	`475`	`}`
`476`	`476`	`add_feature_diagnostics(&mut err, &self.parse_sess, feature);`
`477`	`477`	`err`