// skip-filecheck // This is a miscompilation, #111005 to track //@ test-mir-pass: RenameReturnPlace #![feature(custom_mir, core_intrinsics)] extern crate core; use core::intrinsics::mir::*; // EMIT_MIR nrvo_miscompile_111005.wrong.RenameReturnPlace.diff #[custom_mir(dialect = "runtime", phase = "initial")] pub fn wrong(arg: char) -> char { mir! { { let temp = arg; RET = temp; temp = 'b'; Return() } } } fn main() { assert_eq!(wrong('a'), 'a'); }