src/test/mir-opt/remove-never-const.rs

   1 // This was originally a regression test for #66975 - ensure that we do not generate never typed
   2 // consts in codegen. We also have tests for this that catches the error, see
   3 // src/test/ui/consts/const-eval/index-out-of-bounds-never-type.rs.
   4
   5 // Force generation of optimized mir for functions that do not reach codegen.
   6 // compile-flags: --emit mir,link
   7
   8 #![feature(const_panic)]
   9 #![feature(never_type)]
  10 #![warn(const_err)]
  11
  12 struct PrintName<T>(T);
  13
  14 impl<T> PrintName<T> {
  15     const VOID: ! = panic!();
  16 }
  17
  18 // EMIT_MIR remove_never_const.no_codegen.PreCodegen.after.mir
  19 fn no_codegen<T>() {
  20     let _ = PrintName::<T>::VOID;
  21 }
  22
  23 fn main() {}