diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/transmute_ref_to_ref.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/transmute_ref_to_ref.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/transmute_ref_to_ref.rs b/src/tools/clippy/tests/ui/transmute_ref_to_ref.rs new file mode 100644 index 000000000..e7f35c574 --- /dev/null +++ b/src/tools/clippy/tests/ui/transmute_ref_to_ref.rs @@ -0,0 +1,18 @@ +//@no-rustfix + +#![deny(clippy::transmute_ptr_to_ptr)] +#![allow(dead_code)] + +fn main() { + unsafe { + let single_u64: &[u64] = &[0xDEAD_BEEF_DEAD_BEEF]; + let bools: &[bool] = unsafe { std::mem::transmute(single_u64) }; + //~^ ERROR: transmute from a reference to a reference + let a: &[u32] = &[0x12345678, 0x90ABCDEF, 0xFEDCBA09, 0x87654321]; + let b: &[u8] = unsafe { std::mem::transmute(a) }; + //~^ ERROR: transmute from a reference to a reference + let bytes = &[1u8, 2u8, 3u8, 4u8] as &[u8]; + let alt_slice: &[u32] = unsafe { core::mem::transmute(bytes) }; + //~^ ERROR: transmute from a reference to a reference + } +} |