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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/transmutes_expressible_as_ptr_casts.stderr | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/transmutes_expressible_as_ptr_casts.stderr | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/transmutes_expressible_as_ptr_casts.stderr b/src/tools/clippy/tests/ui/transmutes_expressible_as_ptr_casts.stderr new file mode 100644 index 000000000..de9418c8d --- /dev/null +++ b/src/tools/clippy/tests/ui/transmutes_expressible_as_ptr_casts.stderr @@ -0,0 +1,56 @@ +error: transmute from an integer to a pointer + --> $DIR/transmutes_expressible_as_ptr_casts.rs:18:39 + | +LL | let _ptr_i32_transmute = unsafe { transmute::<usize, *const i32>(usize::MAX) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `usize::MAX as *const i32` + | + = note: `-D clippy::useless-transmute` implied by `-D warnings` + +error: transmute from a pointer to a pointer + --> $DIR/transmutes_expressible_as_ptr_casts.rs:22:38 + | +LL | let _ptr_i8_transmute = unsafe { transmute::<*const i32, *const i8>(ptr_i32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr_i32 as *const i8` + | + = note: `-D clippy::transmute-ptr-to-ptr` implied by `-D warnings` + +error: transmute from a pointer to a pointer + --> $DIR/transmutes_expressible_as_ptr_casts.rs:28:46 + | +LL | let _ptr_to_unsized_transmute = unsafe { transmute::<*const [i32], *const [u32]>(slice_ptr) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `slice_ptr as *const [u32]` + +error: transmute from `*const i32` to `usize` which could be expressed as a pointer cast instead + --> $DIR/transmutes_expressible_as_ptr_casts.rs:34:50 + | +LL | let _usize_from_int_ptr_transmute = unsafe { transmute::<*const i32, usize>(ptr_i32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr_i32 as usize` + | + = note: `-D clippy::transmutes-expressible-as-ptr-casts` implied by `-D warnings` + +error: transmute from a reference to a pointer + --> $DIR/transmutes_expressible_as_ptr_casts.rs:40:41 + | +LL | let _array_ptr_transmute = unsafe { transmute::<&[i32; 4], *const [i32; 4]>(array_ref) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `array_ref as *const [i32; 4]` + +error: transmute from `fn(usize) -> u8` to `*const usize` which could be expressed as a pointer cast instead + --> $DIR/transmutes_expressible_as_ptr_casts.rs:48:41 + | +LL | let _usize_ptr_transmute = unsafe { transmute::<fn(usize) -> u8, *const usize>(foo) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `foo as *const usize` + +error: transmute from `fn(usize) -> u8` to `usize` which could be expressed as a pointer cast instead + --> $DIR/transmutes_expressible_as_ptr_casts.rs:52:49 + | +LL | let _usize_from_fn_ptr_transmute = unsafe { transmute::<fn(usize) -> u8, usize>(foo) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `foo as usize` + +error: transmute from a reference to a pointer + --> $DIR/transmutes_expressible_as_ptr_casts.rs:64:14 + | +LL | unsafe { transmute::<&[i32; 1], *const u8>(in_param) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `in_param as *const [i32; 1] as *const u8` + +error: aborting due to 8 previous errors + |