diff options
Diffstat (limited to 'tests/ui/mir/validate')
-rw-r--r-- | tests/ui/mir/validate/transmute_cast_sized.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/mir/validate/transmute_cast_sized.rs b/tests/ui/mir/validate/transmute_cast_sized.rs new file mode 100644 index 000000000..eaaf7eb3e --- /dev/null +++ b/tests/ui/mir/validate/transmute_cast_sized.rs @@ -0,0 +1,17 @@ +// build-pass +// compile-flags: -Zvalidate-mir +// edition: 2021 + +#![crate_type = "lib"] + +// Use `PhantomData` to get target-independent size +async fn get(_r: std::marker::PhantomData<&i32>) { + loop {} +} + +pub fn check() { + let mut v = get(loop {}); + let _ = || unsafe { + v = std::mem::transmute([0_u8; 1]); + }; +} |