diff options
| -rw-r--r-- | src/libsyntax_ext/deriving/debug.rs | 2 | ||||
| -rw-r--r-- | src/test/run-pass/issue-42453.rs | 17 |
2 files changed, 18 insertions, 1 deletions
diff --git a/src/libsyntax_ext/deriving/debug.rs b/src/libsyntax_ext/deriving/debug.rs index 82fc09fca69..7b23de582a7 100644 --- a/src/libsyntax_ext/deriving/debug.rs +++ b/src/libsyntax_ext/deriving/debug.rs @@ -70,7 +70,7 @@ fn show_substructure(cx: &mut ExtCtxt, span: Span, substr: &Substructure) -> P<E // We want to make sure we have the ctxt set so that we can use unstable methods let span = span.with_ctxt(cx.backtrace()); let name = cx.expr_lit(span, ast::LitKind::Str(ident.name, ast::StrStyle::Cooked)); - let builder = Ident::from_str("builder"); + let builder = Ident::from_str("__debug_trait_builder"); let builder_expr = cx.expr_ident(span, builder.clone()); let fmt = substr.nonself_args[0].clone(); diff --git a/src/test/run-pass/issue-42453.rs b/src/test/run-pass/issue-42453.rs new file mode 100644 index 00000000000..dfe3a21961e --- /dev/null +++ b/src/test/run-pass/issue-42453.rs @@ -0,0 +1,17 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#[derive(Debug)] +struct builder; + +fn main() { + +} + |