New upstream version 1.44.1+dfsg1

[rustc.git] / src / librustc_builtin_macros / deriving / debug.rs

diff --git a/src/librustc_builtin_macros/deriving/debug.rs b/src/librustc_builtin_macros/deriving/debug.rs
index f47be3c3c197503bc493f9c9f08eaf67be622c52..71f6eb4485845d55c6ece9bf41f229e3c926c1b7 100644 (file)
--- a/src/librustc_builtin_macros/deriving/debug.rs
+++ b/src/librustc_builtin_macros/deriving/debug.rs
@@ -63,7 +63,7 @@ fn show_substructure(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_>
     let span = cx.with_def_site_ctxt(span);
     let name = cx.expr_lit(span, ast::LitKind::Str(ident.name, ast::StrStyle::Cooked));
     let builder = cx.ident_of("debug_trait_builder", span);
-    let builder_expr = cx.expr_ident(span, builder.clone());
+    let builder_expr = cx.expr_ident(span, builder);
 
     let fmt = substr.nonself_args[0].clone();