15 lines
412 B
Rust
15 lines
412 B
Rust
// Don't allow unstable features in stable functions without `allow_internal_unstable`.
|
|
|
|
#![stable(feature = "rust1", since = "1.0.0")]
|
|
|
|
#![feature(staged_api)]
|
|
#![feature(const_transmute, const_fn)]
|
|
|
|
#[stable(feature = "rust1", since = "1.0.0")]
|
|
#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
|
|
pub const fn foo() -> i32 {
|
|
unsafe { std::mem::transmute(4u32) } //~ ERROR `transmute`
|
|
}
|
|
|
|
fn main() {}
|