// Make sure that creating a raw ptr next to a shared ref works // but the shared ref still gets invalidated when the raw ptr is used for writing. fn main() { unsafe { use std::mem; let x = &mut 0; let y1: &i32 = mem::transmute(&*x); // launder lifetimes let y2 = x as *mut _; let _val = *y2; let _val = *y1; *y2 += 1; let _fail = *y1; //~ ERROR: borrow stack } }