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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:50 +0000
commit2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch)
treed325add32978dbdc1db975a438b3a77d571b1ab8 /tests/ui/dyn-star/dyn-star-to-dyn.rs
parentReleasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff)
downloadrustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz
rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.zip
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/dyn-star/dyn-star-to-dyn.rs')
-rw-r--r--tests/ui/dyn-star/dyn-star-to-dyn.rs14
1 files changed, 11 insertions, 3 deletions
diff --git a/tests/ui/dyn-star/dyn-star-to-dyn.rs b/tests/ui/dyn-star/dyn-star-to-dyn.rs
index a6d9df952..1d974b7ec 100644
--- a/tests/ui/dyn-star/dyn-star-to-dyn.rs
+++ b/tests/ui/dyn-star/dyn-star-to-dyn.rs
@@ -1,9 +1,17 @@
-// build-pass
+// run-pass
#![feature(dyn_star)]
//~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes
+use std::fmt::Debug;
+
fn main() {
- let x: dyn* Send = &();
- let x = Box::new(x) as Box<dyn Send>;
+ let x: dyn* Debug = &42;
+ let x = Box::new(x) as Box<dyn Debug>;
+ assert_eq!("42", format!("{x:?}"));
+
+ // Also test opposite direction.
+ let x: Box<dyn Debug> = Box::new(42);
+ let x = &x as dyn* Debug;
+ assert_eq!("42", format!("{x:?}"));
}