Auto merge of #149350 - Jarcho:derive_recv_ctxt, r=<try>

Mark method receivers in builtin derives as being from the derive.


try-job: aarch64-gnu-llvm-21-1

Author: bors

compiler/rustc_builtin_macros/src/deriving/generic/mod.rs

@@ -1052,7 +1052,7 @@ impl<'a> MethodDef<'a> {
 
         let args = {
             let self_arg = explicit_self.map(|explicit_self| {
-                let ident = Ident::with_dummy_span(kw::SelfLower).with_span_pos(span);
+                let ident = Ident::new(kw::SelfLower, span);
                 ast::Param::from_self(ast::AttrVec::default(), explicit_self, ident)
             });
             let nonself_args =

compiler/rustc_expand/src/build.rs

@@ -315,7 +315,7 @@ impl<'a> ExtCtxt<'a> {
         self.expr_path(self.path_ident(span, id))
     }
     pub fn expr_self(&self, span: Span) -> Box<ast::Expr> {
-        self.expr_ident(span, Ident::with_dummy_span(kw::SelfLower))
+        self.expr_ident(span, Ident::new(kw::SelfLower, span))
     }
 
     pub fn expr_macro_call(&self, span: Span, call: Box<ast::MacCall>) -> Box<ast::Expr> {