| #![feature(const_extern_fn)] | |
| const extern fn unsize(x: &[u8; 3]) -> &[u8] { x } | |
| //~^ ERROR unsizing casts are not allowed in const fn | |
| const unsafe extern "C" fn closure() -> fn() { || {} } | |
| //~^ ERROR function pointers in const fn are unstable | |
| const unsafe extern fn use_float() { 1.0 + 1.0; } | |
| //~^ ERROR only int, `bool` and `char` operations are stable in const fn | |
| const extern "C" fn ptr_cast(val: *const u8) { val as usize; } | |
| //~^ ERROR casting pointers to ints is unstable in const fn | |
| fn main() {} |