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Merged
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Jul 2, 2022
Merged

Add regression test for #79494 #98653

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5 changes: 5 additions & 0 deletions src/test/rustdoc-ui/issue-79494.rs
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Original file line number Diff line number Diff line change
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// only-x86_64-unknown-linux-gnu

#![feature(const_transmute)]

const ZST: &[u8] = unsafe { std::mem::transmute(1usize) }; //~ ERROR cannot transmute between types of different sizes, or dependently-sized types
12 changes: 12 additions & 0 deletions src/test/rustdoc-ui/issue-79494.stderr
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error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
--> $DIR/issue-79494.rs:5:29
|
LL | const ZST: &[u8] = unsafe { std::mem::transmute(1usize) };
| ^^^^^^^^^^^^^^^^^^^
|
= note: source type: `usize` (64 bits)
= note: target type: `&[u8]` (128 bits)

error: aborting due to previous error

For more information about this error, try `rustc --explain E0512`.