From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/transmute/lifetimes.rs | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 tests/ui/transmute/lifetimes.rs (limited to 'tests/ui/transmute/lifetimes.rs') diff --git a/tests/ui/transmute/lifetimes.rs b/tests/ui/transmute/lifetimes.rs new file mode 100644 index 000000000..943191551 --- /dev/null +++ b/tests/ui/transmute/lifetimes.rs @@ -0,0 +1,23 @@ +// check-pass + +use std::ptr::NonNull; + +struct Foo<'a, T: ?Sized>(&'a (), NonNull); + +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() {} -- cgit v1.2.3