error[E0080]: reading memory at ALLOC0[0x0..0x8], but memory is uninitialized at [0x4..0x8], and this operation requires initialized memory --> $DIR/union-ice.rs:14:33 | LL | const FIELD3: Field3 = unsafe { UNION.field3 }; | ^^^^^^^^^^^^ evaluation of `FIELD3` failed here | = note: the raw bytes of the constant (size: 8, align: 8) { 00 00 80 3f __ __ __ __ │ ...?░░░░ } error[E0080]: reading memory at ALLOC1[0x0..0x8], but memory is uninitialized at [0x4..0x8], and this operation requires initialized memory --> $DIR/union-ice.rs:19:17 | LL | b: unsafe { UNION.field3 }, | ^^^^^^^^^^^^ evaluation of `FIELD_PATH` failed here | = note: the raw bytes of the constant (size: 8, align: 8) { 00 00 80 3f __ __ __ __ │ ...?░░░░ } error[E0080]: reading memory at ALLOC2[0x0..0x8], but memory is uninitialized at [0x4..0x8], and this operation requires initialized memory --> $DIR/union-ice.rs:31:18 | LL | unsafe { UNION.field3 }, | ^^^^^^^^^^^^ evaluation of `FIELD_PATH2` failed here | = note: the raw bytes of the constant (size: 8, align: 8) { 00 00 80 3f __ __ __ __ │ ...?░░░░ } error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0080`.