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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:12:43 +0000
commitcf94bdc0742c13e2a0cac864c478b8626b266e1b (patch)
tree044670aa50cc5e2b4229aa0b6b3df6676730c0a6 /src/test/ui/transmute/lifetimes.rs
parentAdding debian version 1.65.0+dfsg1-2. (diff)
downloadrustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.tar.xz
rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.zip
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/test/ui/transmute/lifetimes.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/transmute/lifetimes.rs b/src/test/ui/transmute/lifetimes.rs
new file mode 100644
index 000000000..943191551
--- /dev/null
+++ b/src/test/ui/transmute/lifetimes.rs
@@ -0,0 +1,23 @@
+// check-pass
+
+use std::ptr::NonNull;
+
+struct Foo<'a, T: ?Sized>(&'a (), NonNull<T>);
+
+fn foo<'a, 'b, T: ?Sized>(x: Foo<'a, T>) -> Foo<'b, T> {
+ unsafe { std::mem::transmute(x) }
+}
+
+struct Bar<'a, T: ?Sized>(&'a T);
+
+fn bar<'a, 'b, T: ?Sized>(x: Bar<'a, T>) -> Bar<'b, T> {
+ unsafe { std::mem::transmute(x) }
+}
+
+struct Boo<'a, T: ?Sized>(&'a T, u32);
+
+fn boo<'a, 'b, T: ?Sized>(x: Boo<'a, T>) -> Boo<'b, T> {
+ unsafe { std::mem::transmute(x) }
+}
+
+fn main() {}