mirror of https://github.com/rust-lang/rust
39 lines
848 B
Rust
39 lines
848 B
Rust
// We used to ICE when moving out of a `*mut T` or `*const T`.
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struct T(u8);
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static mut GLOBAL_MUT_T: T = T(0);
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static GLOBAL_T: T = T(0);
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fn imm_ref() -> &'static T {
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unsafe { &GLOBAL_T }
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}
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fn mut_ref() -> &'static mut T {
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unsafe { &mut GLOBAL_MUT_T }
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//~^ WARN mutable reference to mutable static is discouraged [static_mut_refs]
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}
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fn mut_ptr() -> *mut T {
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unsafe { core::ptr::null_mut() }
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}
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fn const_ptr() -> *const T {
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unsafe { core::ptr::null() }
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}
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pub fn main() {
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let a = unsafe { *mut_ref() };
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//~^ ERROR cannot move out of a mutable reference
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let b = unsafe { *imm_ref() };
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//~^ ERROR cannot move out of a shared reference
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let c = unsafe { *mut_ptr() };
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//~^ ERROR cannot move out of a raw pointer
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let d = unsafe { *const_ptr() };
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//~^ ERROR cannot move out of a raw pointer
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}
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