cabd0682e9
Unlike coercing from reference to unsafe pointer, coercing between two unsafe pointers doesn't need an AutoDerefRef, because there is no region that regionck would need to know about. In unoptimized libcore, this reduces the number of "auto_deref" allocas from 174 to 4.
27 lines
872 B
Rust
27 lines
872 B
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
mod Y {
|
|
type X = usize;
|
|
extern {
|
|
static x: *const usize;
|
|
}
|
|
fn foo(value: *const X) -> *const X {
|
|
value
|
|
}
|
|
}
|
|
|
|
static foo: *const Y::X = Y::foo(Y::x as *const Y::X);
|
|
//~^ ERROR the trait `core::marker::Sync` is not implemented for the type
|
|
//~| ERROR cannot refer to other statics by value, use the address-of operator or a constant instead
|
|
//~| ERROR E0015
|
|
|
|
fn main() {}
|