Soundness: Reads from padding bytes of unions in generated Debug impl #45

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Lines 53 to 59 in bc05181

let size = ::core::mem::size_of::<Self>();

let data = unsafe { ::core::slice::from_raw_parts(self as *const Self as *const u8, size) };

builder.field(&data);

builder.finish()

This is unsound: there is no guarantee those bytes are readable.

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