rust/tests/compile-fail/fn_ptr_offset.rs

15 lines
383 B
Rust

// Validation makes this fail in the wrong place
// compile-flags: -Zmir-emit-validate=0
use std::mem;
fn f() {}
fn main() {
let x : fn() = f;
let y : *mut u8 = unsafe { mem::transmute(x) };
let y = y.wrapping_offset(1);
let x : fn() = unsafe { mem::transmute(y) };
x(); //~ ERROR: tried to use an integer pointer or a dangling pointer as a function pointer
}