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This commit is contained in:
Ralf Jung 2020-04-16 18:47:05 +02:00
parent 18d0907dcc
commit 250b27d996
2 changed files with 3 additions and 3 deletions
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4
src/librustc_middle/mir/interpret/error.rs
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@ -305,7 +305,7 @@ impl fmt::Debug for InvalidProgramInfo<'_> {
Layout(ref err) => write!(f, "{}", err),
TransmuteSizeDiff(from_ty, to_ty) => write!(
f,
"transmuting from {:?} to {:?}, which do not have the same size",
"transmuting `{}` to `{}` is not possible, because these types do not have the same size",
from_ty, to_ty
),
}
@ -464,7 +464,7 @@ impl fmt::Debug for UnsupportedOpInfo {
ReadForeignStatic(did) => {
write!(f, "cannot read from foreign (extern) static {:?}", did)
}
NoMirFor(did) => write!(f, "cannot load MIR for {:?}", did),
NoMirFor(did) => write!(f, "no MIR body is available for {:?}", did),
ReadPointerAsBytes => write!(f, "unable to turn pointer into raw bytes",),
ReadBytesAsPointer => write!(f, "unable to turn bytes into a pointer"),
}

2
src/test/ui/consts/transmute-size-mismatch-before-typeck.stderr
View File

@ -4,7 +4,7 @@ error: any use of this value will cause an error
LL | const ZST: &[u8] = unsafe { std::mem::transmute(1usize) };
| ----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^---
| |
| transmuting from usize to &[u8], which do not have the same size
| transmuting `usize` to `&[u8]` is not possible, because these types do not have the same size
|
= note: `#[deny(const_err)]` on by default