diff options
Diffstat (limited to 'tests/ui')
58 files changed, 454 insertions, 264 deletions
diff --git a/tests/ui/async-await/issues/issue-63388-1.rs b/tests/ui/async-await/issues/issue-63388-1.rs index 32026a22a16..a6f499ba94e 100644 --- a/tests/ui/async-await/issues/issue-63388-1.rs +++ b/tests/ui/async-await/issues/issue-63388-1.rs @@ -9,7 +9,7 @@ trait Foo {} impl Xyz { async fn do_sth<'a>( &'a self, foo: &dyn Foo - ) -> &dyn Foo + ) -> &dyn Foo //~ WARNING elided lifetime has a name { //~^ ERROR explicit lifetime required in the type of `foo` [E0621] foo diff --git a/tests/ui/async-await/issues/issue-63388-1.stderr b/tests/ui/async-await/issues/issue-63388-1.stderr index f7f285ad0cc..ef74bfe3237 100644 --- a/tests/ui/async-await/issues/issue-63388-1.stderr +++ b/tests/ui/async-await/issues/issue-63388-1.stderr @@ -1,3 +1,14 @@ +warning: elided lifetime has a name + --> $DIR/issue-63388-1.rs:12:10 + | +LL | async fn do_sth<'a>( + | -- lifetime `'a` declared here +LL | &'a self, foo: &dyn Foo +LL | ) -> &dyn Foo + | ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0621]: explicit lifetime required in the type of `foo` --> $DIR/issue-63388-1.rs:13:5 | @@ -10,6 +21,6 @@ LL | | foo LL | | } | |_____^ lifetime `'a` required -error: aborting due to 1 previous error +error: aborting due to 1 previous error; 1 warning emitted For more information about this error, try `rustc --explain E0621`. diff --git a/tests/ui/const-generics/type-dependent/issue-71348.full.stderr b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr new file mode 100644 index 00000000000..177ff20fbf9 --- /dev/null +++ b/tests/ui/const-generics/type-dependent/issue-71348.full.stderr @@ -0,0 +1,10 @@ +warning: elided lifetime has a name + --> $DIR/issue-71348.rs:18:68 + | +LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a <Self as Get<N>>::Target + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr index 858900a500d..5aee282952a 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.min.stderr +++ b/tests/ui/const-generics/type-dependent/issue-71348.min.stderr @@ -1,3 +1,11 @@ +warning: elided lifetime has a name + --> $DIR/issue-71348.rs:18:68 + | +LL | fn ask<'a, const N: &'static str>(&'a self) -> &'a <Self as Get<N>>::Target + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error: `&'static str` is forbidden as the type of a const generic parameter --> $DIR/issue-71348.rs:10:24 | @@ -30,5 +38,5 @@ help: add `#![feature(unsized_const_params)]` to the crate attributes to enable LL + #![feature(unsized_const_params)] | -error: aborting due to 2 previous errors +error: aborting due to 2 previous errors; 1 warning emitted diff --git a/tests/ui/const-generics/type-dependent/issue-71348.rs b/tests/ui/const-generics/type-dependent/issue-71348.rs index 2ffbd015485..97e786405fe 100644 --- a/tests/ui/const-generics/type-dependent/issue-71348.rs +++ b/tests/ui/const-generics/type-dependent/issue-71348.rs @@ -17,6 +17,7 @@ trait Get<'a, const N: &'static str> { impl Foo { fn ask<'a, const N: &'static str>(&'a self) -> &'a <Self as Get<N>>::Target //[min]~^ ERROR `&'static str` is forbidden as the type of a const generic parameter + //~^^ WARNING elided lifetime has a name where Self: Get<'a, N>, { diff --git a/tests/ui/consts/min_const_fn/min_const_fn.rs b/tests/ui/consts/min_const_fn/min_const_fn.rs index 76245c08ffc..f7663f6044e 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn.rs +++ b/tests/ui/consts/min_const_fn/min_const_fn.rs @@ -44,8 +44,8 @@ impl<T> Foo<T> { impl<'a, T> Foo<T> { const fn new_lt(t: T) -> Self { Foo(t) } const fn into_inner_lt(self) -> T { self.0 } //~ destructor of - const fn get_lt(&'a self) -> &T { &self.0 } - const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 } + const fn get_lt(&'a self) -> &T { &self.0 } //~ WARNING elided lifetime has a name + const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 } //~ WARNING elided lifetime has a name //~^ mutable references //~| mutable references //~| mutable references diff --git a/tests/ui/consts/min_const_fn/min_const_fn.stderr b/tests/ui/consts/min_const_fn/min_const_fn.stderr index daa0ab2614f..4b348a182b8 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn.stderr +++ b/tests/ui/consts/min_const_fn/min_const_fn.stderr @@ -1,3 +1,23 @@ +warning: elided lifetime has a name + --> $DIR/min_const_fn.rs:47:34 + | +LL | impl<'a, T> Foo<T> { + | -- lifetime `'a` declared here +... +LL | const fn get_lt(&'a self) -> &T { &self.0 } + | ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +warning: elided lifetime has a name + --> $DIR/min_const_fn.rs:48:42 + | +LL | impl<'a, T> Foo<T> { + | -- lifetime `'a` declared here +... +LL | const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 } + | ^ this elided lifetime gets resolved as `'a` + error[E0493]: destructor of `Foo<T>` cannot be evaluated at compile-time --> $DIR/min_const_fn.rs:37:25 | @@ -228,7 +248,7 @@ LL | const fn no_apit(_x: impl std::fmt::Debug) {} | | | the destructor for this type cannot be evaluated in constant functions -error: aborting due to 24 previous errors +error: aborting due to 24 previous errors; 2 warnings emitted Some errors have detailed explanations: E0493, E0658. For more information about an error, try `rustc --explain E0493`. diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr index 934ab08cf17..daf88fc1f23 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr +++ b/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr @@ -10,7 +10,7 @@ note: coroutine is not `Send` as this value is used across a yield --> $DIR/coroutine-print-verbose-1.rs:35:9 | LL | let _non_send_gen = make_non_send_coroutine(); - | ------------- has type `Opaque(DefId(0:34 ~ coroutine_print_verbose_1[75fb]::make_non_send_coroutine::{opaque#0}), [])` which is not `Send` + | ------------- has type `Opaque(DefId(0:24 ~ coroutine_print_verbose_1[75fb]::make_non_send_coroutine::{opaque#0}), [])` which is not `Send` LL | yield; | ^^^^^ yield occurs here, with `_non_send_gen` maybe used later note: required by a bound in `require_send` @@ -33,12 +33,12 @@ note: required because it's used within this coroutine | LL | #[coroutine] || { | ^^ -note: required because it appears within the type `Opaque(DefId(0:35 ~ coroutine_print_verbose_1[75fb]::make_gen2::{opaque#0}), [Arc<RefCell<i32>>])` +note: required because it appears within the type `Opaque(DefId(0:29 ~ coroutine_print_verbose_1[75fb]::make_gen2::{opaque#0}), [Arc<RefCell<i32>>])` --> $DIR/coroutine-print-verbose-1.rs:41:30 | LL | pub fn make_gen2<T>(t: T) -> impl Coroutine<Return = T> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -note: required because it appears within the type `Opaque(DefId(0:36 ~ coroutine_print_verbose_1[75fb]::make_non_send_coroutine2::{opaque#0}), [])` +note: required because it appears within the type `Opaque(DefId(0:32 ~ coroutine_print_verbose_1[75fb]::make_non_send_coroutine2::{opaque#0}), [])` --> $DIR/coroutine-print-verbose-1.rs:47:34 | LL | fn make_non_send_coroutine2() -> impl Coroutine<Return = Arc<RefCell<i32>>> { diff --git a/tests/ui/error-codes/E0602.stderr b/tests/ui/error-codes/E0602.stderr index b0b6033aadd..b6b5cd5c3d3 100644 --- a/tests/ui/error-codes/E0602.stderr +++ b/tests/ui/error-codes/E0602.stderr @@ -13,11 +13,6 @@ warning[E0602]: unknown lint: `bogus` = note: requested on the command line with `-D bogus` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -warning[E0602]: unknown lint: `bogus` - | - = note: requested on the command line with `-D bogus` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -warning: 4 warnings emitted +warning: 3 warnings emitted For more information about this error, try `rustc --explain E0602`. diff --git a/tests/ui/feature-gates/feature-gate-struct-target-features.rs b/tests/ui/feature-gates/feature-gate-struct-target-features.rs deleted file mode 100644 index 85494881146..00000000000 --- a/tests/ui/feature-gates/feature-gate-struct-target-features.rs +++ /dev/null @@ -1,4 +0,0 @@ -#[target_feature(enable = "avx")] //~ ERROR attribute should be applied to a function definition -struct Avx {} - -fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-struct-target-features.stderr b/tests/ui/feature-gates/feature-gate-struct-target-features.stderr deleted file mode 100644 index 1e18d3ee1e1..00000000000 --- a/tests/ui/feature-gates/feature-gate-struct-target-features.stderr +++ /dev/null @@ -1,10 +0,0 @@ -error: attribute should be applied to a function definition - --> $DIR/feature-gate-struct-target-features.rs:1:1 - | -LL | #[target_feature(enable = "avx")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -LL | struct Avx {} - | ------------- not a function definition - -error: aborting due to 1 previous error - diff --git a/tests/ui/generics/generic-no-mangle.fixed b/tests/ui/generics/generic-no-mangle.fixed index 69db712f9dc..2776848c45f 100644 --- a/tests/ui/generics/generic-no-mangle.fixed +++ b/tests/ui/generics/generic-no-mangle.fixed @@ -1,5 +1,5 @@ //@ run-rustfix -#![allow(dead_code)] +#![allow(dead_code, elided_named_lifetimes)] #![deny(no_mangle_generic_items)] pub fn foo<T>() {} //~ ERROR functions generic over types or consts must be mangled diff --git a/tests/ui/generics/generic-no-mangle.rs b/tests/ui/generics/generic-no-mangle.rs index 2288b5bbe70..5314005d31f 100644 --- a/tests/ui/generics/generic-no-mangle.rs +++ b/tests/ui/generics/generic-no-mangle.rs @@ -1,5 +1,5 @@ //@ run-rustfix -#![allow(dead_code)] +#![allow(dead_code, elided_named_lifetimes)] #![deny(no_mangle_generic_items)] #[no_mangle] diff --git a/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs b/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs index da7530b4e7a..a7f38b5c16a 100644 --- a/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs +++ b/tests/ui/impl-trait/impl-fn-hrtb-bounds.rs @@ -13,6 +13,7 @@ fn b() -> impl for<'a> Fn(&'a u8) -> (impl Debug + 'a) { fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { //~^ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` + //~| WARNING elided lifetime has a name |x| x } diff --git a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr index 7d108b30b76..d0f8f7689d1 100644 --- a/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr +++ b/tests/ui/impl-trait/impl-fn-hrtb-bounds.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/impl-fn-hrtb-bounds.rs:19:38 + --> $DIR/impl-fn-hrtb-bounds.rs:20:38 | LL | fn d() -> impl Fn() -> (impl Debug + '_) { | ^^ expected named lifetime parameter @@ -10,6 +10,14 @@ help: consider using the `'static` lifetime, but this is uncommon unless you're LL | fn d() -> impl Fn() -> (impl Debug + 'static) { | ~~~~~~~ +warning: elided lifetime has a name + --> $DIR/impl-fn-hrtb-bounds.rs:14:52 + | +LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { + | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` --> $DIR/impl-fn-hrtb-bounds.rs:4:41 | @@ -46,7 +54,7 @@ note: lifetime declared here LL | fn c() -> impl for<'a> Fn(&'a u8) -> (impl Debug + '_) { | ^^ -error: aborting due to 4 previous errors +error: aborting due to 4 previous errors; 1 warning emitted Some errors have detailed explanations: E0106, E0657. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs index 8aba3de530b..2f17c0ff508 100644 --- a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs +++ b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.rs @@ -3,6 +3,7 @@ use std::fmt::Debug; fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { //~^ ERROR cannot resolve opaque type + //~| WARNING elided lifetime has a name |x| x //~^ ERROR expected generic lifetime parameter, found `'_` } diff --git a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr index c2386e8c88b..50a9f3ebeab 100644 --- a/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr +++ b/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr @@ -1,9 +1,17 @@ +warning: elided lifetime has a name + --> $DIR/impl-fn-predefined-lifetimes.rs:4:48 + | +LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { + | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0792]: expected generic lifetime parameter, found `'_` - --> $DIR/impl-fn-predefined-lifetimes.rs:6:9 + --> $DIR/impl-fn-predefined-lifetimes.rs:7:9 | LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { | -- this generic parameter must be used with a generic lifetime parameter -LL | +... LL | |x| x | ^ @@ -13,7 +21,7 @@ error[E0720]: cannot resolve opaque type LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { | ^^^^^^^^^^^^^^^ cannot resolve opaque type -error: aborting due to 2 previous errors +error: aborting due to 2 previous errors; 1 warning emitted Some errors have detailed explanations: E0720, E0792. For more information about an error, try `rustc --explain E0720`. diff --git a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.rs b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.rs index 73c8a6c0aed..e48441f533d 100644 --- a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.rs +++ b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.rs @@ -1,6 +1,7 @@ //@ check-pass pub fn iter<'a>(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator<Item = (u32, &u32)> { + //~^ WARNING elided lifetime has a name v.into_iter() } diff --git a/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr new file mode 100644 index 00000000000..bff3ffd934a --- /dev/null +++ b/tests/ui/impl-trait/rpit-assoc-pair-with-lifetime.stderr @@ -0,0 +1,10 @@ +warning: elided lifetime has a name + --> $DIR/rpit-assoc-pair-with-lifetime.rs:3:82 + | +LL | pub fn iter<'a>(v: Vec<(u32, &'a u32)>) -> impl DoubleEndedIterator<Item = (u32, &u32)> { + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.rs b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.rs index d0a8fe795ef..63a2c9be9eb 100644 --- a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.rs +++ b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.rs @@ -47,5 +47,6 @@ fn l<'a>(_: &'a str, _: &'a str) -> &str { "" } // This is ok because both `'a` are for the same parameter. fn m<'a>(_: &'a Foo<'a>) -> &str { "" } +//~^ WARNING elided lifetime has a name fn main() {} diff --git a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr index 23ef36888f0..f835d2655bb 100644 --- a/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr +++ b/tests/ui/lifetimes/lifetime-elision-return-type-requires-explicit-lifetime.stderr @@ -105,6 +105,16 @@ help: consider using the `'a` lifetime LL | fn l<'a>(_: &'a str, _: &'a str) -> &'a str { "" } | ++ -error: aborting due to 7 previous errors +warning: elided lifetime has a name + --> $DIR/lifetime-elision-return-type-requires-explicit-lifetime.rs:49:29 + | +LL | fn m<'a>(_: &'a Foo<'a>) -> &str { "" } + | -- ^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +error: aborting due to 7 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0106`. diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.rs b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.rs index a1126d6bb15..598633d7576 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.rs +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.rs @@ -4,6 +4,7 @@ struct Foo { impl Foo { fn foo<'a>(&'a self, x: &i32) -> &i32 { + //~^ WARNING elided lifetime has a name if true { &self.field } else { x } //~ ERROR explicit lifetime diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr index 6dda9e61a79..2d5d4fb0e72 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl-3.stderr @@ -1,12 +1,22 @@ +warning: elided lifetime has a name + --> $DIR/ex1-return-one-existing-name-if-else-using-impl-3.rs:6:36 + | +LL | fn foo<'a>(&'a self, x: &i32) -> &i32 { + | -- ^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0621]: explicit lifetime required in the type of `x` - --> $DIR/ex1-return-one-existing-name-if-else-using-impl-3.rs:8:36 + --> $DIR/ex1-return-one-existing-name-if-else-using-impl-3.rs:9:36 | LL | fn foo<'a>(&'a self, x: &i32) -> &i32 { | ---- help: add explicit lifetime `'a` to the type of `x`: `&'a i32` -LL | +... LL | if true { &self.field } else { x } | ^ lifetime `'a` required -error: aborting due to 1 previous error +error: aborting due to 1 previous error; 1 warning emitted For more information about this error, try `rustc --explain E0621`. diff --git a/tests/ui/lint/cli-unknown-force-warn.stderr b/tests/ui/lint/cli-unknown-force-warn.stderr index cfff190b54a..5084b4a4001 100644 --- a/tests/ui/lint/cli-unknown-force-warn.stderr +++ b/tests/ui/lint/cli-unknown-force-warn.stderr @@ -13,11 +13,6 @@ warning[E0602]: unknown lint: `foo_qux` = note: requested on the command line with `--force-warn foo_qux` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -warning[E0602]: unknown lint: `foo_qux` - | - = note: requested on the command line with `--force-warn foo_qux` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -warning: 4 warnings emitted +warning: 3 warnings emitted For more information about this error, try `rustc --explain E0602`. diff --git a/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.rs b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.rs new file mode 100644 index 00000000000..eac7c32a9aa --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.rs @@ -0,0 +1,12 @@ +#![deny(elided_named_lifetimes)] + +struct Foo; + +impl Foo { + pub fn get_mut(&'static self, x: &mut u8) -> &mut u8 { + //~^ ERROR elided lifetime has a name + unsafe { &mut *(x as *mut _) } + } +} + +fn main() {} diff --git a/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr new file mode 100644 index 00000000000..8c5426a60cb --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/example-from-issue48686.stderr @@ -0,0 +1,14 @@ +error: elided lifetime has a name + --> $DIR/example-from-issue48686.rs:6:50 + | +LL | pub fn get_mut(&'static self, x: &mut u8) -> &mut u8 { + | ^ this elided lifetime gets resolved as `'static` + | +note: the lint level is defined here + --> $DIR/example-from-issue48686.rs:1:9 + | +LL | #![deny(elided_named_lifetimes)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.rs b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.rs new file mode 100644 index 00000000000..2f9083ed65f --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.rs @@ -0,0 +1,27 @@ +#![deny(elided_named_lifetimes)] + +fn ampersand<'a>(x: &'a u8) -> &u8 { + //~^ ERROR elided lifetime has a name + x +} + +struct Brackets<'a>(&'a u8); + +fn brackets<'a>(x: &'a u8) -> Brackets { + //~^ ERROR elided lifetime has a name + Brackets(x) +} + +struct Comma<'a, T>(&'a T); + +fn comma<'a>(x: &'a u8) -> Comma<u8> { + //~^ ERROR elided lifetime has a name + Comma(x) +} + +fn underscore<'a>(x: &'a u8) -> &'_ u8 { + //~^ ERROR elided lifetime has a name + x +} + +fn main() {} diff --git a/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr new file mode 100644 index 00000000000..249ae146b16 --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/missing-lifetime-kind.stderr @@ -0,0 +1,40 @@ +error: elided lifetime has a name + --> $DIR/missing-lifetime-kind.rs:3:32 + | +LL | fn ampersand<'a>(x: &'a u8) -> &u8 { + | -- ^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + | +note: the lint level is defined here + --> $DIR/missing-lifetime-kind.rs:1:9 + | +LL | #![deny(elided_named_lifetimes)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: elided lifetime has a name + --> $DIR/missing-lifetime-kind.rs:10:31 + | +LL | fn brackets<'a>(x: &'a u8) -> Brackets { + | -- ^^^^^^^^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + +error: elided lifetime has a name + --> $DIR/missing-lifetime-kind.rs:17:33 + | +LL | fn comma<'a>(x: &'a u8) -> Comma<u8> { + | -- ^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + +error: elided lifetime has a name + --> $DIR/missing-lifetime-kind.rs:22:34 + | +LL | fn underscore<'a>(x: &'a u8) -> &'_ u8 { + | -- ^^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + +error: aborting due to 4 previous errors + diff --git a/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.rs b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.rs new file mode 100644 index 00000000000..4f9218130fb --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.rs @@ -0,0 +1,17 @@ +#![allow(elided_named_lifetimes)] + +#[warn(elided_named_lifetimes)] +mod foo { + fn bar(x: &'static u8) -> &u8 { + //~^ WARNING elided lifetime has a name + x + } + + #[deny(elided_named_lifetimes)] + fn baz(x: &'static u8) -> &u8 { + //~^ ERROR elided lifetime has a name + x + } +} + +fn main() {} diff --git a/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr new file mode 100644 index 00000000000..c465aab1a03 --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/not-tied-to-crate.stderr @@ -0,0 +1,26 @@ +warning: elided lifetime has a name + --> $DIR/not-tied-to-crate.rs:5:31 + | +LL | fn bar(x: &'static u8) -> &u8 { + | ^ this elided lifetime gets resolved as `'static` + | +note: the lint level is defined here + --> $DIR/not-tied-to-crate.rs:3:8 + | +LL | #[warn(elided_named_lifetimes)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: elided lifetime has a name + --> $DIR/not-tied-to-crate.rs:11:31 + | +LL | fn baz(x: &'static u8) -> &u8 { + | ^ this elided lifetime gets resolved as `'static` + | +note: the lint level is defined here + --> $DIR/not-tied-to-crate.rs:10:12 + | +LL | #[deny(elided_named_lifetimes)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error; 1 warning emitted + diff --git a/tests/ui/lint/elided-named-lifetimes/static.rs b/tests/ui/lint/elided-named-lifetimes/static.rs new file mode 100644 index 00000000000..dc8222c6e6e --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/static.rs @@ -0,0 +1,46 @@ +#![deny(elided_named_lifetimes)] + +use std::borrow::Cow; + +const A: &[u8] = &[]; +static B: &str = "hello"; + +trait Trait { + const C: &u8 = &0; +} + +impl Trait for () { + const C: &u8 = &1; +} + +fn ampersand(x: &'static u8) -> &u8 { + //~^ ERROR elided lifetime has a name + x +} + +struct Brackets<'a>(&'a u8); + +fn brackets(x: &'static u8) -> Brackets { + //~^ ERROR elided lifetime has a name + Brackets(x) +} + +struct Comma<'a, T>(&'a T); + +fn comma(x: &'static u8) -> Comma<u8> { + //~^ ERROR elided lifetime has a name + Comma(x) +} + +fn underscore(x: &'static u8) -> &'_ u8 { + //~^ ERROR elided lifetime has a name + x +} + +const NESTED: &Vec<&Box<Cow<str>>> = &vec![]; + +fn main() { + const HELLO: &str = "Hello"; + static WORLD: &str = "world"; + println!("{HELLO}, {WORLD}!") +} diff --git a/tests/ui/lint/elided-named-lifetimes/static.stderr b/tests/ui/lint/elided-named-lifetimes/static.stderr new file mode 100644 index 00000000000..d2e9776cb4f --- /dev/null +++ b/tests/ui/lint/elided-named-lifetimes/static.stderr @@ -0,0 +1,32 @@ +error: elided lifetime has a name + --> $DIR/static.rs:16:33 + | +LL | fn ampersand(x: &'static u8) -> &u8 { + | ^ this elided lifetime gets resolved as `'static` + | +note: the lint level is defined here + --> $DIR/static.rs:1:9 + | +LL | #![deny(elided_named_lifetimes)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: elided lifetime has a name + --> $DIR/static.rs:23:32 + | +LL | fn brackets(x: &'static u8) -> Brackets { + | ^^^^^^^^ this elided lifetime gets resolved as `'static` + +error: elided lifetime has a name + --> $DIR/static.rs:30:34 + | +LL | fn comma(x: &'static u8) -> Comma<u8> { + | ^ this elided lifetime gets resolved as `'static` + +error: elided lifetime has a name + --> $DIR/static.rs:35:35 + | +LL | fn underscore(x: &'static u8) -> &'_ u8 { + | ^^ this elided lifetime gets resolved as `'static` + +error: aborting due to 4 previous errors + diff --git a/tests/ui/lint/lint-removed-cmdline-deny.stderr b/tests/ui/lint/lint-removed-cmdline-deny.stderr index 2a24e795f44..3321afa7fcd 100644 --- a/tests/ui/lint/lint-removed-cmdline-deny.stderr +++ b/tests/ui/lint/lint-removed-cmdline-deny.stderr @@ -26,10 +26,5 @@ LL | #[deny(warnings)] | ^^^^^^^^ = note: `#[deny(unused_variables)]` implied by `#[deny(warnings)]` -error: lint `raw_pointer_derive` has been removed: using derive with raw pointers is ok - | - = note: requested on the command line with `-D raw_pointer_derive` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 5 previous errors +error: aborting due to 4 previous errors diff --git a/tests/ui/lint/lint-removed-cmdline.stderr b/tests/ui/lint/lint-removed-cmdline.stderr index 78ae2fd8fbf..fd63433c308 100644 --- a/tests/ui/lint/lint-removed-cmdline.stderr +++ b/tests/ui/lint/lint-removed-cmdline.stderr @@ -26,10 +26,5 @@ LL | #[deny(warnings)] | ^^^^^^^^ = note: `#[deny(unused_variables)]` implied by `#[deny(warnings)]` -warning: lint `raw_pointer_derive` has been removed: using derive with raw pointers is ok - | - = note: requested on the command line with `-D raw_pointer_derive` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 1 previous error; 4 warnings emitted +error: aborting due to 1 previous error; 3 warnings emitted diff --git a/tests/ui/lint/lint-renamed-cmdline-deny.stderr b/tests/ui/lint/lint-renamed-cmdline-deny.stderr index 3c1a59ec1e1..0e182a4e5de 100644 --- a/tests/ui/lint/lint-renamed-cmdline-deny.stderr +++ b/tests/ui/lint/lint-renamed-cmdline-deny.stderr @@ -29,11 +29,5 @@ LL | #[deny(unused)] | ^^^^^^ = note: `#[deny(unused_variables)]` implied by `#[deny(unused)]` -error: lint `bare_trait_object` has been renamed to `bare_trait_objects` - | - = help: use the new name `bare_trait_objects` - = note: requested on the command line with `-D bare_trait_object` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 5 previous errors +error: aborting due to 4 previous errors diff --git a/tests/ui/lint/lint-renamed-cmdline.stderr b/tests/ui/lint/lint-renamed-cmdline.stderr index 6544416f611..d6bb72f34dc 100644 --- a/tests/ui/lint/lint-renamed-cmdline.stderr +++ b/tests/ui/lint/lint-renamed-cmdline.stderr @@ -29,11 +29,5 @@ LL | #[deny(unused)] | ^^^^^^ = note: `#[deny(unused_variables)]` implied by `#[deny(unused)]` -warning: lint `bare_trait_object` has been renamed to `bare_trait_objects` - | - = help: use the new name `bare_trait_objects` - = note: requested on the command line with `-D bare_trait_object` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 1 previous error; 4 warnings emitted +error: aborting due to 1 previous error; 3 warnings emitted diff --git a/tests/ui/lint/lint-unexported-no-mangle.stderr b/tests/ui/lint/lint-unexported-no-mangle.stderr index 39377b6fe84..0efec51abaf 100644 --- a/tests/ui/lint/lint-unexported-no-mangle.stderr +++ b/tests/ui/lint/lint-unexported-no-mangle.stderr @@ -45,15 +45,5 @@ LL | pub const PUB_FOO: u64 = 1; | | | help: try a static value: `pub static` -warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported - | - = note: requested on the command line with `-F private_no_mangle_fns` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported - | - = note: requested on the command line with `-F private_no_mangle_statics` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 2 previous errors; 8 warnings emitted +error: aborting due to 2 previous errors; 6 warnings emitted diff --git a/tests/ui/lint/lint-unknown-lint-cmdline-deny.stderr b/tests/ui/lint/lint-unknown-lint-cmdline-deny.stderr index 1ce55706d76..f12ce03ddfc 100644 --- a/tests/ui/lint/lint-unknown-lint-cmdline-deny.stderr +++ b/tests/ui/lint/lint-unknown-lint-cmdline-deny.stderr @@ -30,17 +30,6 @@ error[E0602]: unknown lint: `dead_cod` = note: requested on the command line with `-D dead_cod` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error[E0602]: unknown lint: `bogus` - | - = note: requested on the command line with `-D bogus` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error[E0602]: unknown lint: `dead_cod` - | - = help: did you mean: `dead_code` - = note: requested on the command line with `-D dead_cod` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 8 previous errors +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0602`. diff --git a/tests/ui/lint/lint-unknown-lint-cmdline.stderr b/tests/ui/lint/lint-unknown-lint-cmdline.stderr index 4e0c5dbcb07..f452fc9eb94 100644 --- a/tests/ui/lint/lint-unknown-lint-cmdline.stderr +++ b/tests/ui/lint/lint-unknown-lint-cmdline.stderr @@ -30,17 +30,6 @@ warning[E0602]: unknown lint: `dead_cod` = note: requested on the command line with `-D dead_cod` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -warning[E0602]: unknown lint: `bogus` - | - = note: requested on the command line with `-D bogus` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -warning[E0602]: unknown lint: `dead_cod` - | - = help: did you mean: `dead_code` - = note: requested on the command line with `-D dead_cod` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -warning: 8 warnings emitted +warning: 6 warnings emitted For more information about this error, try `rustc --explain E0602`. diff --git a/tests/ui/nll/ty-outlives/impl-trait-captures.stderr b/tests/ui/nll/ty-outlives/impl-trait-captures.stderr index 3ceefbc4066..87bbd50a15c 100644 --- a/tests/ui/nll/ty-outlives/impl-trait-captures.stderr +++ b/tests/ui/nll/ty-outlives/impl-trait-captures.stderr @@ -1,16 +1,16 @@ -error[E0700]: hidden type for `Opaque(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), ['a/#0, T, 'a/#0])` captures lifetime that does not appear in bounds +error[E0700]: hidden type for `Opaque(DefId(0:11 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), ['a/#0, T, 'a/#0])` captures lifetime that does not appear in bounds --> $DIR/impl-trait-captures.rs:11:5 | LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> { | -- ------------ opaque type defined here | | - | hidden type `&ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_)) T` captures the anonymous lifetime defined here + | hidden type `&ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_)) T` captures the anonymous lifetime defined here LL | x | ^ | -help: add a `use<...>` bound to explicitly capture `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))` +help: add a `use<...>` bound to explicitly capture `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_))` | -LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> + use<'a, ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_)), T> { +LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> + use<'a, ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_)), T> { | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ error: aborting due to 1 previous error diff --git a/tests/ui/object-lifetime/object-lifetime-default-elision.rs b/tests/ui/object-lifetime/object-lifetime-default-elision.rs index f7c0261cfbb..ede6af51174 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-elision.rs +++ b/tests/ui/object-lifetime/object-lifetime-default-elision.rs @@ -46,6 +46,8 @@ fn load1(ss: &dyn SomeTrait) -> &dyn SomeTrait { } fn load2<'a>(ss: &'a dyn SomeTrait) -> &dyn SomeTrait { + //~^ WARNING elided lifetime has a name + // Same as `load1` but with an explicit name thrown in for fun. ss diff --git a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr index b5995687927..b44a184c684 100644 --- a/tests/ui/object-lifetime/object-lifetime-default-elision.stderr +++ b/tests/ui/object-lifetime/object-lifetime-default-elision.stderr @@ -1,5 +1,15 @@ +warning: elided lifetime has a name + --> $DIR/object-lifetime-default-elision.rs:48:40 + | +LL | fn load2<'a>(ss: &'a dyn SomeTrait) -> &dyn SomeTrait { + | -- ^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error: lifetime may not live long enough - --> $DIR/object-lifetime-default-elision.rs:71:5 + --> $DIR/object-lifetime-default-elision.rs:73:5 | LL | fn load3<'a,'b>(ss: &'a dyn SomeTrait) -> &'b dyn SomeTrait { | -- -- lifetime `'b` defined here @@ -11,5 +21,5 @@ LL | ss | = help: consider adding the following bound: `'a: 'b` -error: aborting due to 1 previous error +error: aborting due to 1 previous error; 1 warning emitted diff --git a/tests/ui/self/elision/ignore-non-reference-lifetimes.rs b/tests/ui/self/elision/ignore-non-reference-lifetimes.rs index f7f61b8c810..cedc6f0f9bc 100644 --- a/tests/ui/self/elision/ignore-non-reference-lifetimes.rs +++ b/tests/ui/self/elision/ignore-non-reference-lifetimes.rs @@ -4,9 +4,11 @@ struct Foo<'a>(&'a str); impl<'b> Foo<'b> { fn a<'a>(self: Self, a: &'a str) -> &str { + //~^ WARNING elided lifetime has a name a } fn b<'a>(self: Foo<'b>, a: &'a str) -> &str { + //~^ WARNING elided lifetime has a name a } } diff --git a/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr new file mode 100644 index 00000000000..4465dbae529 --- /dev/null +++ b/tests/ui/self/elision/ignore-non-reference-lifetimes.stderr @@ -0,0 +1,16 @@ +warning: elided lifetime has a name + --> $DIR/ignore-non-reference-lifetimes.rs:6:41 + | +LL | fn a<'a>(self: Self, a: &'a str) -> &str { + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +warning: elided lifetime has a name + --> $DIR/ignore-non-reference-lifetimes.rs:10:44 + | +LL | fn b<'a>(self: Foo<'b>, a: &'a str) -> &str { + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + +warning: 2 warnings emitted + diff --git a/tests/ui/self/elision/lt-ref-self-async.fixed b/tests/ui/self/elision/lt-ref-self-async.fixed index aa1d62012da..914511641b8 100644 --- a/tests/ui/self/elision/lt-ref-self-async.fixed +++ b/tests/ui/self/elision/lt-ref-self-async.fixed @@ -1,6 +1,6 @@ //@ edition:2018 //@ run-rustfix -#![allow(non_snake_case, dead_code)] +#![allow(non_snake_case, dead_code, elided_named_lifetimes)] use std::pin::Pin; diff --git a/tests/ui/self/elision/lt-ref-self-async.rs b/tests/ui/self/elision/lt-ref-self-async.rs index 38de0fd39f0..0c11b271c35 100644 --- a/tests/ui/self/elision/lt-ref-self-async.rs +++ b/tests/ui/self/elision/lt-ref-self-async.rs @@ -1,6 +1,6 @@ //@ edition:2018 //@ run-rustfix -#![allow(non_snake_case, dead_code)] +#![allow(non_snake_case, dead_code, elided_named_lifetimes)] use std::pin::Pin; diff --git a/tests/ui/self/self_lifetime-async.rs b/tests/ui/self/self_lifetime-async.rs index 7d6eb3f5eaf..fd690207118 100644 --- a/tests/ui/self/self_lifetime-async.rs +++ b/tests/ui/self/self_lifetime-async.rs @@ -4,11 +4,13 @@ struct Foo<'a>(&'a ()); impl<'a> Foo<'a> { async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } + //~^ WARNING elided lifetime has a name } type Alias = Foo<'static>; impl Alias { async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } + //~^ WARNING elided lifetime has a name } fn main() {} diff --git a/tests/ui/self/self_lifetime-async.stderr b/tests/ui/self/self_lifetime-async.stderr new file mode 100644 index 00000000000..32de3fd18c9 --- /dev/null +++ b/tests/ui/self/self_lifetime-async.stderr @@ -0,0 +1,18 @@ +warning: elided lifetime has a name + --> $DIR/self_lifetime-async.rs:6:44 + | +LL | async fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } + | -- ^ this elided lifetime gets resolved as `'b` + | | + | lifetime `'b` declared here + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +warning: elided lifetime has a name + --> $DIR/self_lifetime-async.rs:12:52 + | +LL | async fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + +warning: 2 warnings emitted + diff --git a/tests/ui/self/self_lifetime.rs b/tests/ui/self/self_lifetime.rs index 3f655b960b1..0607c3b9317 100644 --- a/tests/ui/self/self_lifetime.rs +++ b/tests/ui/self/self_lifetime.rs @@ -5,11 +5,13 @@ struct Foo<'a>(&'a ()); impl<'a> Foo<'a> { fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } + //~^ WARNING elided lifetime has a name } type Alias = Foo<'static>; impl Alias { fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } + //~^ WARNING elided lifetime has a name } fn main() {} diff --git a/tests/ui/self/self_lifetime.stderr b/tests/ui/self/self_lifetime.stderr new file mode 100644 index 00000000000..cd8f4d8adf8 --- /dev/null +++ b/tests/ui/self/self_lifetime.stderr @@ -0,0 +1,18 @@ +warning: elided lifetime has a name + --> $DIR/self_lifetime.rs:7:38 + | +LL | fn foo<'b>(self: &'b Foo<'a>) -> &() { self.0 } + | -- ^ this elided lifetime gets resolved as `'b` + | | + | lifetime `'b` declared here + | + = note: `#[warn(elided_named_lifetimes)]` on by default + +warning: elided lifetime has a name + --> $DIR/self_lifetime.rs:13:46 + | +LL | fn bar<'a>(self: &Alias, arg: &'a ()) -> &() { arg } + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + +warning: 2 warnings emitted + diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs index 735efe89cba..daec66709b6 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.rs @@ -64,6 +64,7 @@ mod in_path { // This must not err, as the `&` actually resolves to `'a`. fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { + //~^ WARNING elided lifetime has a name f("f"); } diff --git a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr index 61a2925f582..30f4509d49d 100644 --- a/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr +++ b/tests/ui/suggestions/impl-trait-missing-lifetime-gated.stderr @@ -124,6 +124,14 @@ LL - fn g(mut x: impl Foo<()>) -> Option<&()> { x.next() } LL + fn g(mut x: impl Foo<()>) -> Option<()> { x.next() } | +warning: elided lifetime has a name + --> $DIR/impl-trait-missing-lifetime-gated.rs:66:57 + | +LL | fn resolved_anonymous<'a, T: 'a>(f: impl Fn(&'a str) -> &T) { + | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0658]: anonymous lifetimes in `impl Trait` are unstable --> $DIR/impl-trait-missing-lifetime-gated.rs:6:35 | @@ -244,7 +252,7 @@ help: consider introducing a named lifetime parameter LL | fn g<'a>(mut x: impl Foo<'a, ()>) -> Option<&()> { x.next() } | ++++ +++ -error: aborting due to 16 previous errors +error: aborting due to 16 previous errors; 1 warning emitted Some errors have detailed explanations: E0106, E0658. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.rs b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.rs index b641f5941dc..b61bea16e3b 100644 --- a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.rs +++ b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.rs @@ -100,6 +100,7 @@ where // This also works. The `'_` isn't necessary but it's where we arrive to following the suggestions: fn ok2<'a, G: 'a, T>(g: G, dest: &'a mut T) -> impl FnOnce() + '_ + 'a +//~^ WARNING elided lifetime has a name where G: Get<T>, { diff --git a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr index 88a18e9d06d..ea01dcd5020 100644 --- a/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr +++ b/tests/ui/suggestions/lifetimes/missing-lifetimes-in-signature.stderr @@ -6,6 +6,14 @@ LL | fn baz<G: 'a, T>(g: G, dest: &mut T) -> impl FnOnce() + '_ | | | help: consider introducing lifetime `'a` here: `'a,` +warning: elided lifetime has a name + --> $DIR/missing-lifetimes-in-signature.rs:102:64 + | +LL | fn ok2<'a, G: 'a, T>(g: G, dest: &'a mut T) -> impl FnOnce() + '_ + 'a + | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0700]: hidden type for `impl FnOnce()` captures lifetime that does not appear in bounds --> $DIR/missing-lifetimes-in-signature.rs:19:5 | @@ -125,7 +133,7 @@ help: consider adding an explicit lifetime bound LL | G: Get<T> + 'a, | ++++ -error: aborting due to 8 previous errors +error: aborting due to 8 previous errors; 1 warning emitted Some errors have detailed explanations: E0261, E0309, E0311, E0621, E0700. For more information about an error, try `rustc --explain E0261`. diff --git a/tests/ui/target-feature/struct-target-features.rs b/tests/ui/target-feature/struct-target-features.rs deleted file mode 100644 index feb479b6dc8..00000000000 --- a/tests/ui/target-feature/struct-target-features.rs +++ /dev/null @@ -1,98 +0,0 @@ -//@ only-x86_64 -#![feature(struct_target_features)] -//~^ WARNING the feature `struct_target_features` is incomplete and may not be safe to use and/or cause compiler crashes -#![feature(target_feature_11)] - -use std::arch::x86_64::*; - -#[target_feature(enable = "avx")] -//~^ ERROR attribute should be applied to a function definition or unit struct -struct Invalid(u32); - -#[target_feature(enable = "avx")] -struct Avx {} - -#[target_feature(enable = "sse")] -struct Sse(); - -#[target_feature(enable = "avx")] -fn avx() {} - -trait TFAssociatedType { - type Assoc; -} - -impl TFAssociatedType for () { - type Assoc = Avx; -} - -fn avx_self(_: <() as TFAssociatedType>::Assoc) { - avx(); -} - -fn avx_avx(_: Avx) { - avx(); -} - -extern "C" fn bad_fun(_: Avx) {} -//~^ ERROR cannot use a struct with target features in a function with non-Rust ABI - -#[inline(always)] -//~^ ERROR cannot use `#[inline(always)]` with `#[target_feature]` -fn inline_fun(_: Avx) {} -//~^ ERROR cannot use a struct with target features in a #[inline(always)] function - -trait Simd { - fn do_something(&self); -} - -impl Simd for Avx { - fn do_something(&self) { - unsafe { - println!("{:?}", _mm256_setzero_ps()); - } - } -} - -impl Simd for Sse { - fn do_something(&self) { - unsafe { - println!("{:?}", _mm_setzero_ps()); - } - } -} - -struct WithAvx { - #[allow(dead_code)] - avx: Avx, -} - -impl Simd for WithAvx { - fn do_something(&self) { - unsafe { - println!("{:?}", _mm256_setzero_ps()); - } - } -} - -#[inline(never)] -fn dosomething<S: Simd>(simd: &S) { - simd.do_something(); -} - -fn avxfn(_: &Avx) {} - -fn main() { - Avx {}; - //~^ ERROR initializing type with `target_feature` attr is unsafe and requires unsafe function or block [E0133] - - if is_x86_feature_detected!("avx") { - let avx = unsafe { Avx {} }; - avxfn(&avx); - dosomething(&avx); - dosomething(&WithAvx { avx }); - } - if is_x86_feature_detected!("sse") { - dosomething(&unsafe { Sse {} }) - } -} diff --git a/tests/ui/target-feature/struct-target-features.stderr b/tests/ui/target-feature/struct-target-features.stderr deleted file mode 100644 index 5ef863f504e..00000000000 --- a/tests/ui/target-feature/struct-target-features.stderr +++ /dev/null @@ -1,47 +0,0 @@ -warning: the feature `struct_target_features` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/struct-target-features.rs:2:12 - | -LL | #![feature(struct_target_features)] - | ^^^^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #129107 <https://github.com/rust-lang/rust/issues/129107> for more information - = note: `#[warn(incomplete_features)]` on by default - -error: attribute should be applied to a function definition or unit struct - --> $DIR/struct-target-features.rs:8:1 - | -LL | #[target_feature(enable = "avx")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -LL | -LL | struct Invalid(u32); - | -------------------- not a function definition or a unit struct - -error: cannot use a struct with target features in a function with non-Rust ABI - --> $DIR/struct-target-features.rs:37:1 - | -LL | extern "C" fn bad_fun(_: Avx) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: cannot use a struct with target features in a #[inline(always)] function - --> $DIR/struct-target-features.rs:42:1 - | -LL | fn inline_fun(_: Avx) {} - | ^^^^^^^^^^^^^^^^^^^^^ - -error: cannot use `#[inline(always)]` with `#[target_feature]` - --> $DIR/struct-target-features.rs:40:1 - | -LL | #[inline(always)] - | ^^^^^^^^^^^^^^^^^ - -error[E0133]: initializing type with `target_feature` attr is unsafe and requires unsafe function or block - --> $DIR/struct-target-features.rs:86:5 - | -LL | Avx {}; - | ^^^^^^ initializing type with `target_feature` attr - | - = note: this struct can only be constructed if the corresponding `target_feature`s are available - -error: aborting due to 5 previous errors; 1 warning emitted - -For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.rs b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.rs index c584a58cb32..c178fcf5a91 100644 --- a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.rs +++ b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.rs @@ -2,7 +2,7 @@ type Opaque2<T> = impl Sized; type Opaque<'a, T> = Opaque2<T>; -fn defining<'a, T>(x: &'a i32) -> Opaque<T> { x } +fn defining<'a, T>(x: &'a i32) -> Opaque<T> { x } //~ WARNING elided lifetime has a name //~^ ERROR: hidden type for `Opaque2<T>` captures lifetime that does not appear in bounds fn main() {} diff --git a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr index 03cc943d509..e2c21f1636b 100644 --- a/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr +++ b/tests/ui/type-alias-impl-trait/missing_lifetime_bound.stderr @@ -1,3 +1,13 @@ +warning: elided lifetime has a name + --> $DIR/missing_lifetime_bound.rs:5:41 + | +LL | fn defining<'a, T>(x: &'a i32) -> Opaque<T> { x } + | -- ^ this elided lifetime gets resolved as `'a` + | | + | lifetime `'a` declared here + | + = note: `#[warn(elided_named_lifetimes)]` on by default + error[E0700]: hidden type for `Opaque2<T>` captures lifetime that does not appear in bounds --> $DIR/missing_lifetime_bound.rs:5:47 | @@ -9,6 +19,6 @@ LL | fn defining<'a, T>(x: &'a i32) -> Opaque<T> { x } | | | hidden type `&'a i32` captures the lifetime `'a` as defined here -error: aborting due to 1 previous error +error: aborting due to 1 previous error; 1 warning emitted For more information about this error, try `rustc --explain E0700`. |