diff options
| -rw-r--r-- | tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs | 10 | ||||
| -rw-r--r-- | tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr | 38 |
2 files changed, 39 insertions, 9 deletions
diff --git a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs index 0ae498c134f..d65bfee843e 100644 --- a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs +++ b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs @@ -7,6 +7,7 @@ fn _zero() { if false { unsafe { mem::zeroed() } //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -21,6 +22,7 @@ fn _trans() { struct Zst; core::mem::transmute(Zst) //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! } } else { return; @@ -36,6 +38,7 @@ fn _union() { unsafe { Union { a: () }.b } //~^ warn: never type fallback affects this union access + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -45,6 +48,7 @@ fn _deref() { if false { unsafe { *ptr::from_ref(&()).cast() } //~^ warn: never type fallback affects this raw pointer dereference + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -62,6 +66,7 @@ fn _only_generics() { unsafe { internally_create(x) } //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! x.unwrap() } else { @@ -73,9 +78,11 @@ fn _stored_function() { if false { let zeroed = mem::zeroed; //~^ warn: never type fallback affects this `unsafe` function + //~| warn: this will change its meaning in a future release! unsafe { zeroed() } //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -90,6 +97,7 @@ fn _only_generics_stored_function() { let x = None; let f = internally_create; //~^ warn: never type fallback affects this `unsafe` function + //~| warn: this will change its meaning in a future release! unsafe { f(x) } @@ -113,6 +121,7 @@ fn _method() { unsafe { S(marker::PhantomData).create_out_of_thin_air() //~^ warn: never type fallback affects this call to an `unsafe` method + //~| warn: this will change its meaning in a future release! } } else { return; @@ -129,6 +138,7 @@ fn _objc() { () => { match send_message::<_ /* ?0 */>() { //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! Ok(x) => x, Err(_) => loop {}, } diff --git a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr index 84c9385fd13..fbd92f8f662 100644 --- a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr +++ b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr @@ -4,75 +4,93 @@ warning: never type fallback affects this call to an `unsafe` function LL | unsafe { mem::zeroed() } | ^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly = note: `#[warn(never_type_fallback_flowing_into_unsafe)]` on by default warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:22:13 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:23:13 | LL | core::mem::transmute(Zst) | ^^^^^^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this union access - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:37:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:39:18 | LL | unsafe { Union { a: () }.b } | ^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this raw pointer dereference - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:46:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:49:18 | LL | unsafe { *ptr::from_ref(&()).cast() } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:63:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:67:18 | LL | unsafe { internally_create(x) } | ^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:77:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:83:18 | LL | unsafe { zeroed() } | ^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:74:22 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:79:22 | LL | let zeroed = mem::zeroed; | ^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:91:17 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:98:17 | LL | let f = internally_create; | ^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` method - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:114:13 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:122:13 | LL | S(marker::PhantomData).create_out_of_thin_air() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:130:19 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:139:19 | LL | match send_message::<_ /* ?0 */>() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -80,6 +98,8 @@ LL | match send_message::<_ /* ?0 */>() { LL | msg_send!(); | ----------- in this macro invocation | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly = note: this warning originates in the macro `msg_send` (in Nightly builds, run with -Z macro-backtrace for more info) |