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Auto merge of #117510 - elichai:patch-3, r=cuviper

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Add track_caller to transmute_copy

Currently if `size_of::<Src>() < size_of::<Dst>()` you will see the following error:
```rust
thread 'test' panicked at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/core/src/mem/mod.rs:1056:5:
cannot transmute_copy if Dst is larger than Src
```
This fixes it so it will show the invocation location
This commit is contained in:
bors 2023-11-03 08:41:59 +00:00
commit 49112241e9
1 changed files with 1 additions and 0 deletions
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library/core/src/mem/mod.rs
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@ -1054,6 +1054,7 @@ pub const fn copy<T: Copy>(x: &T) -> T {
/// ```
#[inline]
#[must_use]
#[track_caller]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_stable(feature = "const_transmute_copy", since = "1.74.0")]
pub const unsafe fn transmute_copy<Src, Dst>(src: &Src) -> Dst {