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-rw-r--r--src/tools/clippy/tests/ui/transmute_ptr_to_ref.fixed78
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() {}