| // run-pass | |
| #![feature(core_intrinsics)] | |
| #![feature(const_heap)] | |
| #![feature(const_raw_ptr_deref)] | |
| #![feature(const_mut_refs)] | |
| use std::intrinsics; | |
| const FOO: &i32 = foo(); | |
| const fn foo() -> &'static i32 { | |
| let t = unsafe { | |
| let i = intrinsics::const_allocate(4, 4) as * mut i32; | |
| *i = 20; | |
| i | |
| }; | |
| unsafe { &*t } | |
| } | |
| fn main() { | |
| assert_eq!(*FOO, 20) | |
| } |