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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/consts/const-ptr-unique-rpass.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/const-ptr-unique-rpass.rs')
-rw-r--r-- | tests/ui/consts/const-ptr-unique-rpass.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/consts/const-ptr-unique-rpass.rs b/tests/ui/consts/const-ptr-unique-rpass.rs new file mode 100644 index 000000000..fc13bb98b --- /dev/null +++ b/tests/ui/consts/const-ptr-unique-rpass.rs @@ -0,0 +1,16 @@ +// run-pass + +#![feature(ptr_internals, test)] + +extern crate test; +use test::black_box as b; // prevent promotion of the argument and const-propagation of the result + +use std::ptr::Unique; + + +const PTR: *mut u32 = Unique::dangling().as_ptr(); + +pub fn main() { + // Be super-extra paranoid and cast the fn items to fn pointers before blackboxing them. + assert_eq!(PTR, b::<fn() -> _>(Unique::<u32>::dangling)().as_ptr()); +} |