From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/consts/const-ptr-unique-rpass.rs | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 tests/ui/consts/const-ptr-unique-rpass.rs (limited to 'tests/ui/consts/const-ptr-unique-rpass.rs') 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:: _>(Unique::::dangling)().as_ptr()); +} -- cgit v1.2.3