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Rollup merge of #5333 - matthiaskrgr:rustup_34, r=flip1995

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rustup https://github.com/rust-lang/rust/pull/69189

rustups https://github.com/rust-lang/rust/pull/69189 which is part of https://github.com/rust-lang/rust/pull/70085
(at least I think this is the only pr that changes clippy test stdout)

changelog: none
This commit is contained in:
Philipp Krones 2020-03-19 15:00:30 +01:00 committed by GitHub
commit 983d195bb5
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4 changed files with 34 additions and 8 deletions
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8
tests/ui/inefficient_to_string.stderr
View file

@ -35,21 +35,21 @@ LL | let _: String = rrrstring.to_string();
|
= help: `&&std::string::String` implements `ToString` through a slower blanket impl, but `std::string::String` has a fast specialization of `ToString`
error: calling `to_string` on `&&std::borrow::Cow<'_, str>`
error: calling `to_string` on `&&std::borrow::Cow<str>`
--> $DIR/inefficient_to_string.rs:29:21
|
LL | let _: String = rrcow.to_string();
| ^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(*rrcow).to_string()`
|
= help: `&std::borrow::Cow<'_, str>` implements `ToString` through a slower blanket impl, but `std::borrow::Cow<'_, str>` has a fast specialization of `ToString`
= help: `&std::borrow::Cow<str>` implements `ToString` through a slower blanket impl, but `std::borrow::Cow<str>` has a fast specialization of `ToString`
error: calling `to_string` on `&&&std::borrow::Cow<'_, str>`
error: calling `to_string` on `&&&std::borrow::Cow<str>`
--> $DIR/inefficient_to_string.rs:30:21
|
LL | let _: String = rrrcow.to_string();
| ^^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(**rrrcow).to_string()`
|
= help: `&&std::borrow::Cow<'_, str>` implements `ToString` through a slower blanket impl, but `std::borrow::Cow<'_, str>` has a fast specialization of `ToString`
= help: `&&std::borrow::Cow<str>` implements `ToString` through a slower blanket impl, but `std::borrow::Cow<str>` has a fast specialization of `ToString`
error: aborting due to 6 previous errors

2
tests/ui/transmute.stderr
View file

@ -1,4 +1,4 @@
error: transmute from a type (`&'a T`) to itself
error: transmute from a type (`&T`) to itself
--> $DIR/transmute.rs:19:20
|
LL | let _: &'a T = core::intrinsics::transmute(t);

28
tests/ui/transmute_ptr_to_ptr.stderr
View file

@ -1,3 +1,17 @@
error: transmute from a type (`&T`) to itself
--> $DIR/transmute_ptr_to_ptr.rs:8:5
|
LL | std::mem::transmute::<&'a T, &'static T>(t)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::useless-transmute` implied by `-D warnings`
error: transmute from a type (`&T`) to itself
--> $DIR/transmute_ptr_to_ptr.rs:13:5
|
LL | std::mem::transmute::<&'a T, &'b T>(t)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a pointer to a pointer
--> $DIR/transmute_ptr_to_ptr.rs:29:29
|
@ -36,5 +50,17 @@ error: transmute from a reference to a reference
LL | let _: &GenericParam<f32> = std::mem::transmute(&GenericParam { t: 1u32 });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&GenericParam { t: 1u32 } as *const GenericParam<u32> as *const GenericParam<f32>)`
error: aborting due to 6 previous errors
error: transmute from a type (`&LifetimeParam`) to itself
--> $DIR/transmute_ptr_to_ptr.rs:50:47
|
LL | let _: &LifetimeParam<'static> = unsafe { std::mem::transmute(&lp) };
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`&GenericParam<&LifetimeParam>`) to itself
--> $DIR/transmute_ptr_to_ptr.rs:51:62
|
LL | let _: &GenericParam<&LifetimeParam<'static>> = unsafe { std::mem::transmute(&GenericParam { t: &lp }) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 10 previous errors

4
tests/ui/transmute_ptr_to_ref.stderr
View file

@ -42,13 +42,13 @@ error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
LL | 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>`)
error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<u8>`)
--> $DIR/transmute_ptr_to_ref.rs:32:32
|
LL | 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 (`&issue1231::Foo<'_, &u8>`)
error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<&u8>`)
--> $DIR/transmute_ptr_to_ref.rs:34:33
|
LL | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };