error[E0690]: transparent struct needs exactly one non-zero-sized field, but has 0
  --> $DIR/repr-transparent.rs:21:1
   |
LL | struct NoFields; //~ ERROR needs exactly one non-zero-sized field
   | ^^^^^^^^^^^^^^^^
   |
   = note: non-zero-sized field

error[E0690]: transparent struct needs exactly one non-zero-sized field, but has 0
  --> $DIR/repr-transparent.rs:24:1
   |
LL | struct ContainsOnlyZst(()); //~ ERROR needs exactly one non-zero-sized field
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: non-zero-sized field

error[E0690]: transparent struct needs exactly one non-zero-sized field, but has 0
  --> $DIR/repr-transparent.rs:27:1
   |
LL | struct ContainsOnlyZstArray([bool; 0]); //~ ERROR needs exactly one non-zero-sized field
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: non-zero-sized field

error[E0690]: transparent struct needs exactly one non-zero-sized field, but has 0
  --> $DIR/repr-transparent.rs:30:1
   |
LL | struct ContainsMultipleZst(PhantomData<*const i32>, NoFields);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: non-zero-sized field

error[E0690]: transparent struct needs exactly one non-zero-sized field, but has 2
  --> $DIR/repr-transparent.rs:34:1
   |
LL | struct MultipleNonZst(u8, u8); //~ ERROR needs exactly one non-zero-sized field
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: non-zero-sized field
  --> $DIR/repr-transparent.rs:34:23
   |
LL | struct MultipleNonZst(u8, u8); //~ ERROR needs exactly one non-zero-sized field
   |                       ^^  ^^

error[E0690]: transparent struct needs exactly one non-zero-sized field, but has 2
  --> $DIR/repr-transparent.rs:40:1
   |
LL | pub struct StructWithProjection(f32, <f32 as Mirror>::It);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: non-zero-sized field
  --> $DIR/repr-transparent.rs:40:33
   |
LL | pub struct StructWithProjection(f32, <f32 as Mirror>::It);
   |                                 ^^^  ^^^^^^^^^^^^^^^^^^^

error[E0691]: zero-sized field in transparent struct has alignment larger than 1
  --> $DIR/repr-transparent.rs:44:32
   |
LL | struct NontrivialAlignZst(u32, [u16; 0]); //~ ERROR alignment larger than 1
   |                                ^^^^^^^^

error[E0691]: zero-sized field in transparent struct has alignment larger than 1
  --> $DIR/repr-transparent.rs:50:24
   |
LL | struct GenericAlign<T>(ZstAlign32<T>, u32); //~ ERROR alignment larger than 1
   |                        ^^^^^^^^^^^^^

error: aborting due to 8 previous errors

Some errors occurred: E0690, E0691.
For more information about an error, try `rustc --explain E0690`.