rust-clippy/tests/ui/transmute.stderr
2017-05-03 12:51:47 +02:00

182 lines
6.8 KiB
Text

error: transmute from a type (`&'a T`) to itself
--> $DIR/transmute.rs:22:20
|
22 | let _: &'a T = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: lint level defined here
--> $DIR/transmute.rs:20:8
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20 | #[deny(useless_transmute)]
| ^^^^^^^^^^^^^^^^^
error: transmute from a reference to a pointer
--> $DIR/transmute.rs:27:23
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27 | let _: *const T = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T`
error: transmute from a reference to a pointer
--> $DIR/transmute.rs:32:21
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32 | let _: *mut T = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T as *mut T`
error: transmute from a reference to a pointer
--> $DIR/transmute.rs:37:23
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37 | let _: *const U = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T as *const U`
error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
--> $DIR/transmute.rs:45:17
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45 | let _: &T = std::mem::transmute(p);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*p`
|
note: lint level defined here
--> $DIR/transmute.rs:43:8
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43 | #[deny(transmute_ptr_to_ref)]
| ^^^^^^^^^^^^^^^^^^^^
error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
--> $DIR/transmute.rs:51:21
|
51 | let _: &mut T = std::mem::transmute(m);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *m`
error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
--> $DIR/transmute.rs:57:17
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57 | let _: &T = std::mem::transmute(m);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*m`
error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
--> $DIR/transmute.rs:63:21
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63 | let _: &mut T = std::mem::transmute(p as *mut T);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *(p as *mut T)`
error: transmute from a pointer type (`*const U`) to a reference type (`&T`)
--> $DIR/transmute.rs:69:17
|
69 | let _: &T = std::mem::transmute(o);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(o as *const T)`
error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
--> $DIR/transmute.rs:75:21
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75 | let _: &mut T = std::mem::transmute(om);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *(om as *mut T)`
error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
--> $DIR/transmute.rs:81:17
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81 | let _: &T = std::mem::transmute(om);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(om as *const T)`
error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
--> $DIR/transmute.rs:95:32
|
95 | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const Foo<_>)`
|
note: lint level defined here
--> $DIR/transmute.rs:88:8
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88 | #[deny(transmute_ptr_to_ref)]
| ^^^^^^^^^^^^^^^^^^^^
error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, &u8>`)
--> $DIR/transmute.rs:100:33
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100 | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const Foo<&_>)`
error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
--> $DIR/transmute.rs:107:14
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107 | unsafe { std::mem::transmute::<_, Bar>(raw) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const u8)`
error: transmute from a type (`std::vec::Vec<i32>`) to itself
--> $DIR/transmute.rs:116:27
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116 | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: lint level defined here
--> $DIR/transmute.rs:113:8
|
113 | #[deny(useless_transmute)]
| ^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
--> $DIR/transmute.rs:119:27
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119 | let _: Vec<i32> = core::mem::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
--> $DIR/transmute.rs:122:27
|
122 | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
--> $DIR/transmute.rs:125:27
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125 | let _: Vec<i32> = std::mem::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
--> $DIR/transmute.rs:128:27
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128 | let _: Vec<i32> = my_transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^
error: transmute from an integer to a pointer
--> $DIR/transmute.rs:137:31
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137 | let _: *const usize = std::mem::transmute(5_isize);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `5_isize as *const usize`
error: transmute from an integer to a pointer
--> $DIR/transmute.rs:143:31
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143 | let _: *const usize = std::mem::transmute(1+1usize);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `(1+1usize) as *const usize`
error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
--> $DIR/transmute.rs:160:24
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160 | let _: Usize = core::intrinsics::transmute(int_const_ptr);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: lint level defined here
--> $DIR/transmute.rs:153:8
|
153 | #[deny(crosspointer_transmute)]
| ^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
--> $DIR/transmute.rs:163:24
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163 | let _: Usize = core::intrinsics::transmute(int_mut_ptr);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
--> $DIR/transmute.rs:166:31
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166 | let _: *const Usize = core::intrinsics::transmute(my_int());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
--> $DIR/transmute.rs:169:29
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169 | let _: *mut Usize = core::intrinsics::transmute(my_int());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 25 previous errors