src/test/ui/consts/const-size_of-cycle.stderr

   1 error[E0391]: cycle detected when const-evaluating + checking `Foo::bytes::{{constant}}#0`
   2   --> $DIR/const-size_of-cycle.rs:6:17
   3    |
   4 LL |     bytes: [u8; std::mem::size_of::<Foo>()]
   5    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
   6    |
   7 note: ...which requires const-evaluating + checking `Foo::bytes::{{constant}}#0`...
   8   --> $DIR/const-size_of-cycle.rs:6:17
   9    |
  10 LL |     bytes: [u8; std::mem::size_of::<Foo>()]
  11    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
  12 note: ...which requires const-evaluating `Foo::bytes::{{constant}}#0`...
  13   --> $SRC_DIR/libcore/mem/mod.rs:LL:COL
  14    |
  15 LL |     intrinsics::size_of::<T>()
  16    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
  17 note: ...which requires const-evaluating + checking `std::intrinsics::size_of`...
  18   --> $SRC_DIR/libcore/intrinsics.rs:LL:COL
  19    |
  20 LL |     pub fn size_of<T>() -> usize;
  21    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  22    = note: ...which requires computing layout of `Foo`...
  23    = note: ...which requires normalizing `ParamEnvAnd { param_env: ParamEnv { caller_bounds: [], reveal: All, def_id: None }, value: [u8; _] }`...
  24    = note: ...which again requires const-evaluating + checking `Foo::bytes::{{constant}}#0`, completing the cycle
  25 note: cycle used when processing `Foo`
  26   --> $DIR/const-size_of-cycle.rs:5:1
  27    |
  28 LL | struct Foo {
  29    | ^^^^^^^^^^
  30
  31 error: aborting due to previous error
  32
  33 For more information about this error, try `rustc --explain E0391`.