bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Ignore unsized types when trying to determine the size of a type

Browse source
This commit is contained in:
Urgau 2024-02-14 19:12:19 +01:00
parent 502ce8287b
commit ddec8c5edc
2 changed files with 12 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
compiler/rustc_lint/src/reference_casting.rs
View file

@ -207,6 +207,13 @@ fn is_cast_to_bigger_memory_layout<'tcx>(
}
let from_layout = cx.layout_of(*inner_start_ty).ok()?;
// if the type isn't sized, we bail out, instead of potentially giving
// the user a meaningless warning.
if from_layout.is_unsized() {
return None;
}
let alloc_layout = cx.layout_of(alloc_ty).ok()?;
let to_layout = cx.layout_of(*inner_end_ty).ok()?;