| //@ normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)" |
| //@ normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*ALLOC[0-9]+(\+[a-z0-9]+)?(<imm>)?─*╼ )+ *│.*" -> "HEX_DUMP" |
| #![feature(const_refs_to_static, const_mut_refs, sync_unsafe_cell)] |
| use std::cell::SyncUnsafeCell; |
| |
| static S: SyncUnsafeCell<i32> = SyncUnsafeCell::new(0); |
| static mut S_MUT: i32 = 0; |
| |
| const C1: &SyncUnsafeCell<i32> = &S; //~ERROR undefined behavior |
| //~| encountered reference to mutable memory |
| const C1_READ: () = unsafe { |
| assert!(*C1.get() == 0); |
| }; |
| const C2: *const i32 = unsafe { std::ptr::addr_of!(S_MUT) }; |
| const C2_READ: () = unsafe { |
| assert!(*C2 == 0); //~ERROR evaluation of constant value failed |
| //~^ constant accesses mutable global memory |
| }; |
| |
| fn main() { |
| } |