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error[E0658]: casting pointers to integers in constants is unstable (see issue #51910)
--> $DIR/issue-18294.rs:3:31
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LL | const Y: usize = unsafe { &X as *const u32 as usize }; //~ ERROR is unstable
| ^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: add #![feature(const_raw_ptr_to_usize_cast)] to the crate attributes to enable
error: aborting due to previous error
For more information about this error, try `rustc --explain E0658`.
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