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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/transmute_ptr_to_ref.fixed | |
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/transmute_ptr_to_ref.fixed | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/transmute_ptr_to_ref.fixed b/src/tools/clippy/tests/ui/transmute_ptr_to_ref.fixed new file mode 100644 index 000000000..e5fe9133f --- /dev/null +++ b/src/tools/clippy/tests/ui/transmute_ptr_to_ref.fixed @@ -0,0 +1,78 @@ +// run-rustfix + +#![feature(custom_inner_attributes)] +#![warn(clippy::transmute_ptr_to_ref)] +#![allow(clippy::match_single_binding)] + +unsafe fn _ptr_to_ref<T, U>(p: *const T, m: *mut T, o: *const U, om: *mut U) { + let _: &T = &*p; + let _: &T = &*p; + + let _: &mut T = &mut *m; + let _: &mut T = &mut *m; + + let _: &T = &*m; + let _: &T = &*m; + + let _: &mut T = &mut *(p as *mut T); + let _ = &mut *(p as *mut T); + + let _: &T = &*(o as *const T); + let _: &T = &*(o as *const T); + + let _: &mut T = &mut *(om as *mut T); + let _: &mut T = &mut *(om as *mut T); + + let _: &T = &*(om as *const T); + let _: &T = &*(om as *const T); +} + +fn _issue1231() { + struct Foo<'a, T> { + bar: &'a T, + } + + let raw = 42 as *const i32; + let _: &Foo<u8> = unsafe { &*raw.cast::<Foo<_>>() }; + + let _: &Foo<&u8> = unsafe { &*raw.cast::<Foo<&_>>() }; + + type Bar<'a> = &'a u8; + let raw = 42 as *const i32; + unsafe { &*(raw as *const u8) }; +} + +unsafe fn _issue8924<'a, 'b, 'c>(x: *const &'a u32, y: *const &'b u32) -> &'c &'b u32 { + match 0 { + 0 => &*x.cast::<&u32>(), + 1 => &*y.cast::<&u32>(), + 2 => &*x.cast::<&'b u32>(), + _ => &*y.cast::<&'b u32>(), + } +} + +unsafe fn _meets_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 { + #![clippy::msrv = "1.38"] + let a = 0u32; + let a = &a as *const u32; + let _: &u32 = &*a; + let _: &u32 = &*a.cast::<u32>(); + match 0 { + 0 => &*x.cast::<&u32>(), + _ => &*x.cast::<&'b u32>(), + } +} + +unsafe fn _under_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 { + #![clippy::msrv = "1.37"] + let a = 0u32; + let a = &a as *const u32; + let _: &u32 = &*a; + let _: &u32 = &*(a as *const u32); + match 0 { + 0 => &*(x as *const () as *const &u32), + _ => &*(x as *const () as *const &'b u32), + } +} + +fn main() {} |