diff options
| -rw-r--r-- | src/test/ui/hygiene/expansion-info-reset.rs | 17 | ||||
| -rw-r--r-- | src/test/ui/hygiene/expansion-info-reset.stderr | 12 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/hygiene/expansion-info-reset.rs b/src/test/ui/hygiene/expansion-info-reset.rs new file mode 100644 index 00000000000..d80c1129b29 --- /dev/null +++ b/src/test/ui/hygiene/expansion-info-reset.rs @@ -0,0 +1,17 @@ +// Copyright 2018 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. + +// FIXME: Investigate why expansion info for a single expansion id is reset from +// `MacroBang(format_args)` to `MacroAttribute(derive(Clone))` (issue #52363). + +fn main() { + format_args!({ #[derive(Clone)] struct S; }); + //~^ ERROR format argument must be a string literal +} diff --git a/src/test/ui/hygiene/expansion-info-reset.stderr b/src/test/ui/hygiene/expansion-info-reset.stderr new file mode 100644 index 00000000000..02a7b0d1b02 --- /dev/null +++ b/src/test/ui/hygiene/expansion-info-reset.stderr @@ -0,0 +1,12 @@ +error: format argument must be a string literal + --> $DIR/expansion-info-reset.rs:15:18 + | +LL | format_args!({ #[derive(Clone)] struct S; }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: you might be missing a string literal to format with + | +LL | format_args!("{}", { #[derive(Clone)] struct S; }); + | ^^^^^ + +error: aborting due to previous error + |