diff options
Diffstat (limited to 'tests')
16 files changed, 399 insertions, 51 deletions
diff --git a/tests/run-make/profile/rmake.rs b/tests/run-make/profile/rmake.rs deleted file mode 100644 index 58a1b53c040..00000000000 --- a/tests/run-make/profile/rmake.rs +++ /dev/null @@ -1,21 +0,0 @@ -// This test revolves around the rustc flag -Z profile, which should -// generate a .gcno file (initial profiling information) as well -// as a .gcda file (branch counters). The path where these are emitted -// should also be configurable with -Z profile-emit. This test checks -// that the files are produced, and then that the latter flag is respected. -// See https://github.com/rust-lang/rust/pull/42433 - -//@ ignore-cross-compile -//@ needs-profiler-runtime - -use run_make_support::{path, run, rustc}; - -fn main() { - rustc().arg("-g").arg("-Zprofile").input("test.rs").run(); - run("test"); - assert!(path("test.gcno").exists(), "no .gcno file"); - assert!(path("test.gcda").exists(), "no .gcda file"); - rustc().arg("-g").arg("-Zprofile").arg("-Zprofile-emit=abc/abc.gcda").input("test.rs").run(); - run("test"); - assert!(path("abc/abc.gcda").exists(), "gcda file not emitted to defined path"); -} diff --git a/tests/run-make/profile/test.rs b/tests/run-make/profile/test.rs deleted file mode 100644 index f328e4d9d04..00000000000 --- a/tests/run-make/profile/test.rs +++ /dev/null @@ -1 +0,0 @@ -fn main() {} diff --git a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr index 134fd098b7e..79eee2a3def 100644 --- a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr +++ b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: Default` will fail LL | true => Default::default(), | ^^^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | let x: () = match true { + | ++++ warning: this function depends on never type fallback being `()` --> $DIR/never-type-fallback-breaking.rs:27:1 @@ -28,6 +32,10 @@ note: in edition 2024, the requirement `!: Default` will fail | LL | deserialize()?; | ^^^^^^^^^^^^^ +help: use `()` annotations to avoid fallback changes + | +LL | deserialize::<()>()?; + | ++++++ warning: 2 warnings emitted diff --git a/tests/ui/lint/invalid-nan-comparison-suggestion.fixed b/tests/ui/lint/invalid-nan-comparison-suggestion.fixed index 46b2d4e9c3f..2d88c274080 100644 --- a/tests/ui/lint/invalid-nan-comparison-suggestion.fixed +++ b/tests/ui/lint/invalid-nan-comparison-suggestion.fixed @@ -1,7 +1,15 @@ //@ check-pass //@ run-rustfix +#![feature(f16, f128)] + fn main() { + let x = 5f16; + let _ = x.is_nan(); + //~^ WARN incorrect NaN comparison + let _ = !x.is_nan(); + //~^ WARN incorrect NaN comparison + let x = 5f32; let _ = x.is_nan(); //~^ WARN incorrect NaN comparison @@ -14,6 +22,12 @@ fn main() { let _ = !x.is_nan(); //~^ WARN incorrect NaN comparison + let x = 5f128; + let _ = x.is_nan(); + //~^ WARN incorrect NaN comparison + let _ = !x.is_nan(); + //~^ WARN incorrect NaN comparison + let b = &2.3f32; if !b.is_nan() {} //~^ WARN incorrect NaN comparison diff --git a/tests/ui/lint/invalid-nan-comparison-suggestion.rs b/tests/ui/lint/invalid-nan-comparison-suggestion.rs index 558b433d794..91753447869 100644 --- a/tests/ui/lint/invalid-nan-comparison-suggestion.rs +++ b/tests/ui/lint/invalid-nan-comparison-suggestion.rs @@ -1,7 +1,15 @@ //@ check-pass //@ run-rustfix +#![feature(f16, f128)] + fn main() { + let x = 5f16; + let _ = x == f16::NAN; + //~^ WARN incorrect NaN comparison + let _ = x != f16::NAN; + //~^ WARN incorrect NaN comparison + let x = 5f32; let _ = x == f32::NAN; //~^ WARN incorrect NaN comparison @@ -14,6 +22,12 @@ fn main() { let _ = x != f64::NAN; //~^ WARN incorrect NaN comparison + let x = 5f128; + let _ = x == f128::NAN; + //~^ WARN incorrect NaN comparison + let _ = x != f128::NAN; + //~^ WARN incorrect NaN comparison + let b = &2.3f32; if b != &f32::NAN {} //~^ WARN incorrect NaN comparison diff --git a/tests/ui/lint/invalid-nan-comparison-suggestion.stderr b/tests/ui/lint/invalid-nan-comparison-suggestion.stderr index c310341de07..9d07d3f9240 100644 --- a/tests/ui/lint/invalid-nan-comparison-suggestion.stderr +++ b/tests/ui/lint/invalid-nan-comparison-suggestion.stderr @@ -1,18 +1,42 @@ warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:6:13 + --> $DIR/invalid-nan-comparison-suggestion.rs:8:13 | -LL | let _ = x == f32::NAN; +LL | let _ = x == f16::NAN; | ^^^^^^^^^^^^^ | = note: `#[warn(invalid_nan_comparisons)]` on by default help: use `f32::is_nan()` or `f64::is_nan()` instead | +LL - let _ = x == f16::NAN; +LL + let _ = x.is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison-suggestion.rs:10:13 + | +LL | let _ = x != f16::NAN; + | ^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - let _ = x != f16::NAN; +LL + let _ = !x.is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison-suggestion.rs:14:13 + | +LL | let _ = x == f32::NAN; + | ^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | LL - let _ = x == f32::NAN; LL + let _ = x.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:8:13 + --> $DIR/invalid-nan-comparison-suggestion.rs:16:13 | LL | let _ = x != f32::NAN; | ^^^^^^^^^^^^^ @@ -24,7 +48,7 @@ LL + let _ = !x.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:12:13 + --> $DIR/invalid-nan-comparison-suggestion.rs:20:13 | LL | let _ = x == f64::NAN; | ^^^^^^^^^^^^^ @@ -36,7 +60,7 @@ LL + let _ = x.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:14:13 + --> $DIR/invalid-nan-comparison-suggestion.rs:22:13 | LL | let _ = x != f64::NAN; | ^^^^^^^^^^^^^ @@ -48,7 +72,31 @@ LL + let _ = !x.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:18:8 + --> $DIR/invalid-nan-comparison-suggestion.rs:26:13 + | +LL | let _ = x == f128::NAN; + | ^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - let _ = x == f128::NAN; +LL + let _ = x.is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison-suggestion.rs:28:13 + | +LL | let _ = x != f128::NAN; + | ^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - let _ = x != f128::NAN; +LL + let _ = !x.is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison-suggestion.rs:32:8 | LL | if b != &f32::NAN {} | ^^^^^^^^^^^^^^ @@ -60,7 +108,7 @@ LL + if !b.is_nan() {} | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:22:8 + --> $DIR/invalid-nan-comparison-suggestion.rs:36:8 | LL | if b != { &f32::NAN } {} | ^^^^^^^^^^^^^^^^^^ @@ -72,7 +120,7 @@ LL + if !b.is_nan() {} | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:26:9 + --> $DIR/invalid-nan-comparison-suggestion.rs:40:9 | LL | / b != { LL | | @@ -87,7 +135,7 @@ LL + !b.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:35:13 + --> $DIR/invalid-nan-comparison-suggestion.rs:49:13 | LL | let _ = nan!() == number!(); | ^^^^^^^^^^^^^^^^^^^ @@ -99,7 +147,7 @@ LL + let _ = number!().is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison-suggestion.rs:37:13 + --> $DIR/invalid-nan-comparison-suggestion.rs:51:13 | LL | let _ = number!() != nan!(); | ^^^^^^^^^^^^^^^^^^^ @@ -110,5 +158,5 @@ LL - let _ = number!() != nan!(); LL + let _ = !number!().is_nan(); | -warning: 9 warnings emitted +warning: 13 warnings emitted diff --git a/tests/ui/lint/invalid-nan-comparison.rs b/tests/ui/lint/invalid-nan-comparison.rs index 202a5e27e8e..1a2c8a7c5a0 100644 --- a/tests/ui/lint/invalid-nan-comparison.rs +++ b/tests/ui/lint/invalid-nan-comparison.rs @@ -1,13 +1,38 @@ //@ check-pass +#![feature(f16, f128)] + fn main() { + f16(); f32(); f64(); + f128(); } const TEST: bool = 5f32 == f32::NAN; //~^ WARN incorrect NaN comparison +fn f16() { + macro_rules! number { () => { 5f16 }; } + let x = number!(); + x == f16::NAN; + //~^ WARN incorrect NaN comparison + x != f16::NAN; + //~^ WARN incorrect NaN comparison + x < f16::NAN; + //~^ WARN incorrect NaN comparison + x > f16::NAN; + //~^ WARN incorrect NaN comparison + x <= f16::NAN; + //~^ WARN incorrect NaN comparison + x >= f16::NAN; + //~^ WARN incorrect NaN comparison + number!() == f16::NAN; + //~^ WARN incorrect NaN comparison + f16::NAN != number!(); + //~^ WARN incorrect NaN comparison +} + fn f32() { macro_rules! number { () => { 5f32 }; } let x = number!(); @@ -49,3 +74,24 @@ fn f64() { f64::NAN != number!(); //~^ WARN incorrect NaN comparison } + +fn f128() { + macro_rules! number { () => { 5f128 }; } + let x = number!(); + x == f128::NAN; + //~^ WARN incorrect NaN comparison + x != f128::NAN; + //~^ WARN incorrect NaN comparison + x < f128::NAN; + //~^ WARN incorrect NaN comparison + x > f128::NAN; + //~^ WARN incorrect NaN comparison + x <= f128::NAN; + //~^ WARN incorrect NaN comparison + x >= f128::NAN; + //~^ WARN incorrect NaN comparison + number!() == f128::NAN; + //~^ WARN incorrect NaN comparison + f128::NAN != number!(); + //~^ WARN incorrect NaN comparison +} diff --git a/tests/ui/lint/invalid-nan-comparison.stderr b/tests/ui/lint/invalid-nan-comparison.stderr index 054c06d38b3..486d2a9636c 100644 --- a/tests/ui/lint/invalid-nan-comparison.stderr +++ b/tests/ui/lint/invalid-nan-comparison.stderr @@ -1,5 +1,5 @@ warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:8:20 + --> $DIR/invalid-nan-comparison.rs:12:20 | LL | const TEST: bool = 5f32 == f32::NAN; | ^^^^^^^^^^^^^^^^ @@ -12,7 +12,79 @@ LL + const TEST: bool = 5f32.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:14:5 + --> $DIR/invalid-nan-comparison.rs:18:5 + | +LL | x == f16::NAN; + | ^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - x == f16::NAN; +LL + x.is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:20:5 + | +LL | x != f16::NAN; + | ^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - x != f16::NAN; +LL + !x.is_nan(); + | + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:22:5 + | +LL | x < f16::NAN; + | ^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:24:5 + | +LL | x > f16::NAN; + | ^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:26:5 + | +LL | x <= f16::NAN; + | ^^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:28:5 + | +LL | x >= f16::NAN; + | ^^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:30:5 + | +LL | number!() == f16::NAN; + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - number!() == f16::NAN; +LL + number!().is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:32:5 + | +LL | f16::NAN != number!(); + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - f16::NAN != number!(); +LL + !number!().is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:39:5 | LL | x == f32::NAN; | ^^^^^^^^^^^^^ @@ -24,7 +96,7 @@ LL + x.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:16:5 + --> $DIR/invalid-nan-comparison.rs:41:5 | LL | x != f32::NAN; | ^^^^^^^^^^^^^ @@ -36,31 +108,31 @@ LL + !x.is_nan(); | warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:18:5 + --> $DIR/invalid-nan-comparison.rs:43:5 | LL | x < f32::NAN; | ^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:20:5 + --> $DIR/invalid-nan-comparison.rs:45:5 | LL | x > f32::NAN; | ^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:22:5 + --> $DIR/invalid-nan-comparison.rs:47:5 | LL | x <= f32::NAN; | ^^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:24:5 + --> $DIR/invalid-nan-comparison.rs:49:5 | LL | x >= f32::NAN; | ^^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:26:5 + --> $DIR/invalid-nan-comparison.rs:51:5 | LL | number!() == f32::NAN; | ^^^^^^^^^^^^^^^^^^^^^ @@ -72,7 +144,7 @@ LL + number!().is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:28:5 + --> $DIR/invalid-nan-comparison.rs:53:5 | LL | f32::NAN != number!(); | ^^^^^^^^^^^^^^^^^^^^^ @@ -84,7 +156,7 @@ LL + !number!().is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:35:5 + --> $DIR/invalid-nan-comparison.rs:60:5 | LL | x == f64::NAN; | ^^^^^^^^^^^^^ @@ -96,7 +168,7 @@ LL + x.is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:37:5 + --> $DIR/invalid-nan-comparison.rs:62:5 | LL | x != f64::NAN; | ^^^^^^^^^^^^^ @@ -108,31 +180,31 @@ LL + !x.is_nan(); | warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:39:5 + --> $DIR/invalid-nan-comparison.rs:64:5 | LL | x < f64::NAN; | ^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:41:5 + --> $DIR/invalid-nan-comparison.rs:66:5 | LL | x > f64::NAN; | ^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:43:5 + --> $DIR/invalid-nan-comparison.rs:68:5 | LL | x <= f64::NAN; | ^^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN is not orderable - --> $DIR/invalid-nan-comparison.rs:45:5 + --> $DIR/invalid-nan-comparison.rs:70:5 | LL | x >= f64::NAN; | ^^^^^^^^^^^^^ warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:47:5 + --> $DIR/invalid-nan-comparison.rs:72:5 | LL | number!() == f64::NAN; | ^^^^^^^^^^^^^^^^^^^^^ @@ -144,7 +216,7 @@ LL + number!().is_nan(); | warning: incorrect NaN comparison, NaN cannot be directly compared to itself - --> $DIR/invalid-nan-comparison.rs:49:5 + --> $DIR/invalid-nan-comparison.rs:74:5 | LL | f64::NAN != number!(); | ^^^^^^^^^^^^^^^^^^^^^ @@ -155,5 +227,77 @@ LL - f64::NAN != number!(); LL + !number!().is_nan(); | -warning: 17 warnings emitted +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:81:5 + | +LL | x == f128::NAN; + | ^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - x == f128::NAN; +LL + x.is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:83:5 + | +LL | x != f128::NAN; + | ^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - x != f128::NAN; +LL + !x.is_nan(); + | + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:85:5 + | +LL | x < f128::NAN; + | ^^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:87:5 + | +LL | x > f128::NAN; + | ^^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:89:5 + | +LL | x <= f128::NAN; + | ^^^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN is not orderable + --> $DIR/invalid-nan-comparison.rs:91:5 + | +LL | x >= f128::NAN; + | ^^^^^^^^^^^^^^ + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:93:5 + | +LL | number!() == f128::NAN; + | ^^^^^^^^^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - number!() == f128::NAN; +LL + number!().is_nan(); + | + +warning: incorrect NaN comparison, NaN cannot be directly compared to itself + --> $DIR/invalid-nan-comparison.rs:95:5 + | +LL | f128::NAN != number!(); + | ^^^^^^^^^^^^^^^^^^^^^^ + | +help: use `f32::is_nan()` or `f64::is_nan()` instead + | +LL - f128::NAN != number!(); +LL + !number!().is_nan(); + | + +warning: 33 warnings emitted diff --git a/tests/ui/never_type/defaulted-never-note.nofallback.stderr b/tests/ui/never_type/defaulted-never-note.nofallback.stderr index d88615186dd..6bc4501b6a3 100644 --- a/tests/ui/never_type/defaulted-never-note.nofallback.stderr +++ b/tests/ui/never_type/defaulted-never-note.nofallback.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: ImplementedForUnitButNotNever` will f LL | foo(_x); | ^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | let _x: () = return; + | ++++ warning: 1 warning emitted diff --git a/tests/ui/never_type/dependency-on-fallback-to-unit.stderr b/tests/ui/never_type/dependency-on-fallback-to-unit.stderr index ec49137ba79..79f47bb5fbc 100644 --- a/tests/ui/never_type/dependency-on-fallback-to-unit.stderr +++ b/tests/ui/never_type/dependency-on-fallback-to-unit.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: Default` will fail LL | false => <_>::default(), | ^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | false => <()>::default(), + | ~~ warning: this function depends on never type fallback being `()` --> $DIR/dependency-on-fallback-to-unit.rs:19:1 @@ -28,6 +32,10 @@ note: in edition 2024, the requirement `!: Default` will fail | LL | deserialize()?; | ^^^^^^^^^^^^^ +help: use `()` annotations to avoid fallback changes + | +LL | deserialize::<()>()?; + | ++++++ warning: 2 warnings emitted diff --git a/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr b/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr index 2a3c5edc218..d40d1da76f9 100644 --- a/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr +++ b/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: UnitDefault` will fail LL | x = UnitDefault::default(); | ^^^^^^^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | let x: (); + | ++++ warning: this function depends on never type fallback being `()` --> $DIR/diverging-fallback-control-flow.rs:42:1 @@ -28,6 +32,10 @@ note: in edition 2024, the requirement `!: UnitDefault` will fail | LL | x = UnitDefault::default(); | ^^^^^^^^^^^^^^^^^^^^^^ +help: use `()` annotations to avoid fallback changes + | +LL | let x: (); + | ++++ warning: 2 warnings emitted diff --git a/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr b/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr index 11245cc7aab..d11c21d9573 100644 --- a/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr +++ b/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: Test` will fail LL | unconstrained_arg(return); | ^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | unconstrained_arg::<()>(return); + | ++++++ warning: 1 warning emitted diff --git a/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr b/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr index b485c94df4d..30a5e60a758 100644 --- a/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr +++ b/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: UnitReturn` will fail LL | let _ = if true { unconstrained_return() } else { panic!() }; | ^^^^^^^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | let _: () = if true { unconstrained_return() } else { panic!() }; + | ++++ warning: 1 warning emitted diff --git a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr index 3fb5536dee7..fb0166dd9e0 100644 --- a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr +++ b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr @@ -13,6 +13,10 @@ note: in edition 2024, the requirement `!: Bar` will fail LL | foo(|| panic!()); | ^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | foo::<(), _>(|| panic!()); + | +++++++++ warning: 1 warning emitted diff --git a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2015.stderr b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2015.stderr index a75039b8237..6a48a7b9b47 100644 --- a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2015.stderr +++ b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2015.stderr @@ -8,6 +8,10 @@ LL | unsafe { mem::zeroed() } = 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 +help: use `()` annotations to avoid fallback changes + | +LL | unsafe { mem::zeroed::<()>() } + | ++++++ warning: never type fallback affects this call to an `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:30:13 @@ -18,6 +22,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | core::mem::transmute::<_, ()>(Zst) + | +++++++++ warning: never type fallback affects this union access --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:47:18 @@ -38,6 +46,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | unsafe { *ptr::from_ref(&()).cast::<()>() } + | ++++++ warning: never type fallback affects this call to an `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:79:18 @@ -48,6 +60,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | unsafe { internally_create::<()>(x) } + | ++++++ warning: never type fallback affects this call to an `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:97:18 @@ -58,6 +74,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | let zeroed = mem::zeroed::<()>; + | ++++++ warning: never type fallback affects this `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:92:22 @@ -68,6 +88,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | let zeroed = mem::zeroed::<()>; + | ++++++ warning: never type fallback affects this `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:115:17 @@ -78,6 +102,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | let f = internally_create::<()>; + | ++++++ warning: never type fallback affects this call to an `unsafe` method --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:140:13 @@ -102,6 +130,10 @@ LL | msg_send!(); = 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) +help: use `()` annotations to avoid fallback changes + | +LL | match send_message::<() /* ?0 */>() { + | ~~ warning: 10 warnings emitted diff --git a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2024.stderr b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2024.stderr index 4138e9f8c86..844cd62c267 100644 --- a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2024.stderr +++ b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.e2024.stderr @@ -8,6 +8,10 @@ LL | unsafe { mem::zeroed() } = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly = note: `#[deny(never_type_fallback_flowing_into_unsafe)]` on by default +help: use `()` annotations to avoid fallback changes + | +LL | unsafe { mem::zeroed::<()>() } + | ++++++ error: never type fallback affects this call to an `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:30:13 @@ -18,6 +22,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | core::mem::transmute::<_, ()>(Zst) + | +++++++++ error: never type fallback affects this union access --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:47:18 @@ -38,6 +46,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | unsafe { *ptr::from_ref(&()).cast::<()>() } + | ++++++ error: never type fallback affects this call to an `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:79:18 @@ -48,6 +60,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | unsafe { internally_create::<()>(x) } + | ++++++ error: never type fallback affects this call to an `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:97:18 @@ -58,6 +74,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | let zeroed = mem::zeroed::<()>; + | ++++++ error: never type fallback affects this `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:92:22 @@ -68,6 +88,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | let zeroed = mem::zeroed::<()>; + | ++++++ error: never type fallback affects this `unsafe` function --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:115:17 @@ -78,6 +102,10 @@ 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 +help: use `()` annotations to avoid fallback changes + | +LL | let f = internally_create::<()>; + | ++++++ error: never type fallback affects this call to an `unsafe` method --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:140:13 @@ -102,6 +130,10 @@ LL | msg_send!(); = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748> = help: specify the type explicitly = note: this error originates in the macro `msg_send` (in Nightly builds, run with -Z macro-backtrace for more info) +help: use `()` annotations to avoid fallback changes + | +LL | match send_message::<() /* ?0 */>() { + | ~~ warning: the type `!` does not permit zero-initialization --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:13:18 |