error[E0080]: evaluation of constant value failed
  --> $DIR/detect-extra-ub.rs:9:20
   |
LL |     let _x: bool = transmute(3u8);
   |                    ^^^^^^^^^^^^^^ constructing invalid value: encountered 0x03, but expected a boolean

error[E0080]: evaluation of constant value failed
  --> $DIR/detect-extra-ub.rs:15:21
   |
LL |     let _x: usize = transmute(&3u8);
   |                     ^^^^^^^^^^^^^^^ unable to turn pointer into raw bytes
   |
   = help: this code performed an operation that depends on the underlying bytes representing a pointer
   = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported

error[E0080]: evaluation of constant value failed
  --> $DIR/detect-extra-ub.rs:21:30
   |
LL |     let _x: (usize, usize) = transmute(x);
   |                              ^^^^^^^^^^^^ unable to turn pointer into raw bytes
   |
   = help: this code performed an operation that depends on the underlying bytes representing a pointer
   = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported

error[E0080]: evaluation of constant value failed
  --> $DIR/detect-extra-ub.rs:26:20
   |
LL |     let _x: &u32 = transmute(&[0u8; 4]);
   |                    ^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered an unaligned reference (required 4 byte alignment but found 1)

error[E0080]: evaluation of constant value failed
  --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
   |
   = note: accessing memory with alignment 1, but alignment 4 is required
   |
note: inside `std::ptr::read::<u32>`
  --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
note: inside `ptr::const_ptr::<impl *const u32>::read`
  --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
note: inside `INNER`
  --> $DIR/detect-extra-ub.rs:38:9
   |
LL |         ptr.read();
   |         ^^^^^^^^^^

note: erroneous constant used
  --> $DIR/detect-extra-ub.rs:32:5
   |
LL |     INNER;
   |     ^^^^^

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0080`.