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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/issues/issue-27592.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-27592.rs')
-rw-r--r-- | tests/ui/issues/issue-27592.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-27592.rs b/tests/ui/issues/issue-27592.rs new file mode 100644 index 000000000..88f70f584 --- /dev/null +++ b/tests/ui/issues/issue-27592.rs @@ -0,0 +1,19 @@ +// Regression test for issue #27592. + +fn write<'a, F: ::std::ops::FnOnce()->::std::fmt::Arguments<'a> + 'a>(fcn: F) { + use std::fmt::Write; + let _ = match fcn() { a => write!(&mut Stream, "{}", a), }; +} + +struct Stream; +impl ::std::fmt::Write for Stream { + fn write_str(&mut self, _s: &str) -> ::std::fmt::Result { + Ok( () ) + } +} + +fn main() { + write(|| format_args!("{}", String::from("Hello world"))); + //~^ ERROR cannot return value referencing temporary value + //~| ERROR cannot return reference to temporary value +} |