rust/src/test/ui/issues/issue-20801.rs
2018-12-25 21:08:33 -07:00

38 lines
772 B
Rust

// We used to ICE when moving out of a `*mut T` or `*const T`.
struct T(u8);
static mut GLOBAL_MUT_T: T = T(0);
static GLOBAL_T: T = T(0);
fn imm_ref() -> &'static T {
unsafe { &GLOBAL_T }
}
fn mut_ref() -> &'static mut T {
unsafe { &mut GLOBAL_MUT_T }
}
fn mut_ptr() -> *mut T {
unsafe { 0 as *mut T }
}
fn const_ptr() -> *const T {
unsafe { 0 as *const T }
}
pub fn main() {
let a = unsafe { *mut_ref() };
//~^ ERROR cannot move out of borrowed content
let b = unsafe { *imm_ref() };
//~^ ERROR cannot move out of borrowed content
let c = unsafe { *mut_ptr() };
//~^ ERROR cannot move out of dereference of raw pointer
let d = unsafe { *const_ptr() };
//~^ ERROR cannot move out of dereference of raw pointer
}