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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 09:25:56 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 09:25:56 +0000
commit018c4950b9406055dec02ef0fb52f132e2bb1e2c (patch)
treea835ebdf2088ef88fa681f8fad45f09922c1ae9a /tests/ui/traits/trait-object-lifetime-default-note.rs
parentAdding debian version 1.75.0+dfsg1-5. (diff)
downloadrustc-018c4950b9406055dec02ef0fb52f132e2bb1e2c.tar.xz
rustc-018c4950b9406055dec02ef0fb52f132e2bb1e2c.zip
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/trait-object-lifetime-default-note.rs')
-rw-r--r--tests/ui/traits/trait-object-lifetime-default-note.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/traits/trait-object-lifetime-default-note.rs b/tests/ui/traits/trait-object-lifetime-default-note.rs
new file mode 100644
index 000000000..31e3eb4ba
--- /dev/null
+++ b/tests/ui/traits/trait-object-lifetime-default-note.rs
@@ -0,0 +1,16 @@
+trait A {}
+
+impl<T> A for T {}
+
+fn main() {
+ let local = 0; //~ NOTE binding `local` declared here
+ let r = &local; //~ ERROR `local` does not live long enough
+ //~| NOTE borrowed value does not live long enough
+ //~| NOTE due to object lifetime defaults, `Box<dyn A>` actually means `Box<(dyn A + 'static)>`
+ require_box(Box::new(r));
+ //~^ NOTE cast requires that `local` is borrowed for `'static`
+
+ let _ = 0;
+} //~ NOTE `local` dropped here while still borrowed
+
+fn require_box(_a: Box<dyn A>) {}