//@ compile-flags: --crate-type=lib -Zlint-mir -Ztreat-err-as-bug //@ build-fail //@ failure-status: 101 //@ dont-check-compiler-stderr #![feature(custom_mir, core_intrinsics)] extern crate core; use core::intrinsics::mir::*; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn main() { mir! { let a: [u8; 1024]; { a = a; //~ ERROR broken MIR //~^ ERROR encountered `_1 = copy _1` statement with overlapping memory Return() } } }