rust/tests/ui/consts/const-cast-ptr-int.rs

//@ run-pass
#![allow(non_upper_case_globals)]

use std::ptr;

struct TestStruct {
    x: *const u8
}

unsafe impl Sync for TestStruct {}

static a: TestStruct = TestStruct{x: 0 as *const u8};

pub fn main() {
    assert_eq!(a.x, ptr::null());
}
[AUTO-GENERATED] Migrate ui tests from `//` to `//@` directives 2024-02-16 20:02:50 +00:00			`//@ run-pass`
Add `#![allow(..)]` for a slew of lints of migrated run-pass tests, to silence stderr output. 2018-08-31 13:02:01 +00:00			`#![allow(non_upper_case_globals)]`
rustdoc: Replace no-pretty-expanded with pretty-expanded Now that features must be declared expanded source often does not compile. This adds 'pretty-expanded' to a bunch of test cases that still work. 2015-03-22 20:13:15 +00:00
librustc: Stop reexporting the standard modules from prelude. 2013-05-25 02:35:29 +00:00			`use std::ptr;`

Require types to opt-in Sync 2014-12-06 16:39:25 +00:00			`struct TestStruct {`
			`x: *const u8`
			`}`

Make Send and Sync traits unsafe 2014-12-21 23:49:42 +00:00			`unsafe impl Sync for TestStruct {}`
Require types to opt-in Sync 2014-12-06 16:39:25 +00:00
			`static a: TestStruct = TestStruct{x: 0 as *const u8};`
Allow casting integers to unsafe pointers in constant expressions. 2013-03-07 20:35:43 +00:00
testsuite: more `pub fn main` 2013-03-27 16:58:28 +00:00			`pub fn main() {`
Require types to opt-in Sync 2014-12-06 16:39:25 +00:00			`assert_eq!(a.x, ptr::null());`
test: Fix tests. 2013-03-07 03:09:17 +00:00			`}`