rust/src/test/ui/issues/issue-48131.rs
Mark Rousskov c205f6a06a Remove mem::uninitalized from tests
This purges uses of uninitialized where possible from test cases. Some
are merely moved over to the equally bad pattern of
MaybeUninit::uninit().assume_init() but with an annotation that this is
"the best we can do".
2019-12-22 21:58:12 -05:00

31 lines
778 B
Rust

// This note is annotated because the purpose of the test
// is to ensure that certain other notes are not generated.
#![deny(unused_unsafe)] //~ NOTE
// (test that no note is generated on this unsafe fn)
pub unsafe fn a() {
fn inner() {
unsafe { /* unnecessary */ } //~ ERROR unnecessary `unsafe`
//~^ NOTE
}
inner()
}
pub fn b() {
// (test that no note is generated on this unsafe block)
unsafe {
fn inner() {
unsafe { /* unnecessary */ } //~ ERROR unnecessary `unsafe`
//~^ NOTE
}
// `()` is fine to zero-initialize as it is zero sized and inhabited.
let () = ::std::mem::zeroed();
inner()
}
}
fn main() {}