diff options
Diffstat (limited to 'tests/ui')
155 files changed, 1507 insertions, 438 deletions
diff --git a/tests/ui/issues/issue-5754.rs b/tests/ui/abi/extern-c-two-doubles-x86_64-5754.rs index 0aa09882959..7f44ef9c685 100644 --- a/tests/ui/issues/issue-5754.rs +++ b/tests/ui/abi/extern-c-two-doubles-x86_64-5754.rs @@ -1,8 +1,8 @@ +// https://github.com/rust-lang/rust/issues/5754 //@ build-pass #![allow(dead_code)] #![allow(improper_ctypes)] - struct TwoDoubles { r: f64, i: f64 diff --git a/tests/ui/issues/issue-8898.rs b/tests/ui/array-slice-vec/fixed-size-arrays-zero-size-types-8898.rs index 4447704f059..fe627b00f53 100644 --- a/tests/ui/issues/issue-8898.rs +++ b/tests/ui/array-slice-vec/fixed-size-arrays-zero-size-types-8898.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/8898 //@ run-pass fn assert_repr_eq<T: std::fmt::Debug>(obj : T, expected : String) { diff --git a/tests/ui/issues/issue-26095.rs b/tests/ui/associated-consts/constant-trait-item-reference-selection-26095.rs index 34c617dc495..f0fe2db432b 100644 --- a/tests/ui/issues/issue-26095.rs +++ b/tests/ui/associated-consts/constant-trait-item-reference-selection-26095.rs @@ -1,8 +1,8 @@ +// https://github.com/rust-lang/rust/issues/26095 //@ check-pass #![allow(dead_code)] #![allow(non_upper_case_globals)] - trait HasNumber<T> { const Number: usize; } diff --git a/tests/ui/issues/issue-43483.rs b/tests/ui/associated-consts/trait-associated-const-usage-43483.rs index 2c62671d0c7..c24157d45e7 100644 --- a/tests/ui/issues/issue-43483.rs +++ b/tests/ui/associated-consts/trait-associated-const-usage-43483.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/43483 //@ check-pass #![allow(dead_code)] #![allow(unused_variables)] diff --git a/tests/ui/issues/issue-21946.rs b/tests/ui/associated-types/recursive-associated-type-overflow-21946.rs index d0c052cb2fd..ba84ea11300 100644 --- a/tests/ui/issues/issue-21946.rs +++ b/tests/ui/associated-types/recursive-associated-type-overflow-21946.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/21946 trait Foo { type A; } diff --git a/tests/ui/issues/issue-21946.stderr b/tests/ui/associated-types/recursive-associated-type-overflow-21946.stderr index d1b4a808d2e..37fb0ed7eb8 100644 --- a/tests/ui/issues/issue-21946.stderr +++ b/tests/ui/associated-types/recursive-associated-type-overflow-21946.stderr @@ -1,5 +1,5 @@ error[E0275]: overflow evaluating the requirement `<FooStruct as Foo>::A == _` - --> $DIR/issue-21946.rs:8:14 + --> $DIR/recursive-associated-type-overflow-21946.rs:9:14 | LL | type A = <FooStruct as Foo>::A; | ^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/issues/issue-54044.rs b/tests/ui/attributes/cold-attribute-application-54044.rs index 809ea7a87db..2e644b91c07 100644 --- a/tests/ui/issues/issue-54044.rs +++ b/tests/ui/attributes/cold-attribute-application-54044.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/54044 #![deny(unused_attributes)] //~ NOTE lint level is defined here #[cold] diff --git a/tests/ui/issues/issue-54044.stderr b/tests/ui/attributes/cold-attribute-application-54044.stderr index 8bd94a041d0..efdf5e0de52 100644 --- a/tests/ui/issues/issue-54044.stderr +++ b/tests/ui/attributes/cold-attribute-application-54044.stderr @@ -1,5 +1,5 @@ error: attribute should be applied to a function definition - --> $DIR/issue-54044.rs:3:1 + --> $DIR/cold-attribute-application-54044.rs:4:1 | LL | #[cold] | ^^^^^^^ @@ -9,13 +9,13 @@ LL | struct Foo; | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! note: the lint level is defined here - --> $DIR/issue-54044.rs:1:9 + --> $DIR/cold-attribute-application-54044.rs:2:9 | LL | #![deny(unused_attributes)] | ^^^^^^^^^^^^^^^^^ error: attribute should be applied to a function definition - --> $DIR/issue-54044.rs:9:5 + --> $DIR/cold-attribute-application-54044.rs:10:5 | LL | #[cold] | ^^^^^^^ diff --git a/tests/ui/attributes/malformed-attrs.stderr b/tests/ui/attributes/malformed-attrs.stderr index 1b51075b4e8..e8ae4715398 100644 --- a/tests/ui/attributes/malformed-attrs.stderr +++ b/tests/ui/attributes/malformed-attrs.stderr @@ -55,12 +55,6 @@ error: malformed `patchable_function_entry` attribute input LL | #[patchable_function_entry] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[patchable_function_entry(prefix_nops = m, entry_nops = n)]` -error: malformed `coroutine` attribute input - --> $DIR/malformed-attrs.rs:108:5 - | -LL | #[coroutine = 63] || {} - | ^^^^^^^^^^^^^^^^^ help: must be of the form: `#[coroutine]` - error: malformed `must_not_suspend` attribute input --> $DIR/malformed-attrs.rs:129:1 | @@ -436,6 +430,15 @@ LL | #[proc_macro = 18] | | didn't expect any arguments here | help: must be of the form: `#[proc_macro]` +error[E0565]: malformed `coroutine` attribute input + --> $DIR/malformed-attrs.rs:108:5 + | +LL | #[coroutine = 63] || {} + | ^^^^^^^^^^^^----^ + | | | + | | didn't expect any arguments here + | help: must be of the form: `#[coroutine]` + error[E0565]: malformed `proc_macro_attribute` attribute input --> $DIR/malformed-attrs.rs:113:1 | diff --git a/tests/ui/issues/issue-36786-resolve-call.rs b/tests/ui/autoref-autoderef/autoderef-vec-box-fn-36786.rs index de7b0e18d52..e16929bf48a 100644 --- a/tests/ui/issues/issue-36786-resolve-call.rs +++ b/tests/ui/autoref-autoderef/autoderef-vec-box-fn-36786.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/36786 //@ run-pass // Ensure that types that rely on obligations are autoderefed // correctly diff --git a/tests/ui/issues/issue-46471-1.rs b/tests/ui/borrowck/borrow-checker-lifetime-error-46471.rs index aa161d40f70..020b02aa34d 100644 --- a/tests/ui/issues/issue-46471-1.rs +++ b/tests/ui/borrowck/borrow-checker-lifetime-error-46471.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/46471 fn main() { let y = { let mut z = 0; diff --git a/tests/ui/issues/issue-46471-1.stderr b/tests/ui/borrowck/borrow-checker-lifetime-error-46471.stderr index d4517223982..c90da551620 100644 --- a/tests/ui/issues/issue-46471-1.stderr +++ b/tests/ui/borrowck/borrow-checker-lifetime-error-46471.stderr @@ -1,5 +1,5 @@ error[E0597]: `z` does not live long enough - --> $DIR/issue-46471-1.rs:4:9 + --> $DIR/borrow-checker-lifetime-error-46471.rs:5:9 | LL | let mut z = 0; | ----- binding `z` declared here diff --git a/tests/ui/issues/issue-7061.rs b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.rs index c5d5a9d9498..521a5ee9c37 100644 --- a/tests/ui/issues/issue-7061.rs +++ b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/7061 //@ dont-require-annotations: NOTE struct BarStruct; diff --git a/tests/ui/issues/issue-7061.stderr b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.stderr index b4c0ebfbdd5..39b9072dc30 100644 --- a/tests/ui/issues/issue-7061.stderr +++ b/tests/ui/borrowck/mismatched-pointer-type-in-self-7061.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-7061.rs:6:46 + --> $DIR/mismatched-pointer-type-in-self-7061.rs:7:46 | LL | fn foo(&'a mut self) -> Box<BarStruct> { self } | -------------- ^^^^ expected `Box<BarStruct>`, found `&mut BarStruct` diff --git a/tests/ui/issues/issue-13665.rs b/tests/ui/borrowck/region-checker-map-closure-13665.rs index e1d8be16f45..72efa42fe38 100644 --- a/tests/ui/issues/issue-13665.rs +++ b/tests/ui/borrowck/region-checker-map-closure-13665.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/13665 //@ run-pass fn foo<'r>() { diff --git a/tests/ui/borrowck/string-borrowing-pattern-matching-11869.rs b/tests/ui/borrowck/string-borrowing-pattern-matching-11869.rs new file mode 100644 index 00000000000..fe3d1bf6e8a --- /dev/null +++ b/tests/ui/borrowck/string-borrowing-pattern-matching-11869.rs @@ -0,0 +1,17 @@ +// https://github.com/rust-lang/rust/issues/11869 +//@ check-pass +#![allow(dead_code)] + +struct A { + a: String +} + +fn borrow<'a>(binding: &'a A) -> &'a str { + match &*binding.a { + "in" => "in_", + "ref" => "ref_", + ident => ident + } +} + +fn main() {} diff --git a/tests/ui/issues/issue-9918.rs b/tests/ui/cast/u8-to-char-cast-9918.rs index 017e833aefb..2b8be1f0fc9 100644 --- a/tests/ui/issues/issue-9918.rs +++ b/tests/ui/cast/u8-to-char-cast-9918.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/9918 //@ run-pass pub fn main() { diff --git a/tests/ui/issues/issue-21600.rs b/tests/ui/closures/aliasability-violation-with-closure-21600.rs index 2e22e5e6fa2..d4c658319ab 100644 --- a/tests/ui/issues/issue-21600.rs +++ b/tests/ui/closures/aliasability-violation-with-closure-21600.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/21600 fn call_it<F>(f: F) where F: Fn() { f(); } struct A; diff --git a/tests/ui/issues/issue-21600.stderr b/tests/ui/closures/aliasability-violation-with-closure-21600.stderr index f7905934424..2d2397a2141 100644 --- a/tests/ui/issues/issue-21600.stderr +++ b/tests/ui/closures/aliasability-violation-with-closure-21600.stderr @@ -1,5 +1,5 @@ error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure - --> $DIR/issue-21600.rs:14:20 + --> $DIR/aliasability-violation-with-closure-21600.rs:15:20 | LL | fn call_it<F>(f: F) where F: Fn() { f(); } | - change this to accept `FnMut` instead of `Fn` @@ -11,7 +11,7 @@ LL | call_it(|| x.gen_mut()); | expects `Fn` instead of `FnMut` error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure - --> $DIR/issue-21600.rs:14:17 + --> $DIR/aliasability-violation-with-closure-21600.rs:15:17 | LL | fn call_it<F>(f: F) where F: Fn() { f(); } | - change this to accept `FnMut` instead of `Fn` diff --git a/tests/ui/issues/issue-36023.rs b/tests/ui/codegen/llvm-miscompile-metadata-invalidation-36023.rs index 32e8af65c7d..efa31a51881 100644 --- a/tests/ui/issues/issue-36023.rs +++ b/tests/ui/codegen/llvm-miscompile-metadata-invalidation-36023.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/36023 //@ run-pass #![allow(unused_variables)] use std::ops::Deref; diff --git a/tests/ui/codegen/unsupported-static-initializer-in-const-array.rs b/tests/ui/codegen/unsupported-static-initializer-in-const-array.rs new file mode 100644 index 00000000000..bc94130ee19 --- /dev/null +++ b/tests/ui/codegen/unsupported-static-initializer-in-const-array.rs @@ -0,0 +1,18 @@ +//! LLVM error with unsupported expression in static +//! initializer for const pointer in array on macOS. +//! +//! Regression test for <https://github.com/rust-lang/rust/issues/89225>. + +//@ build-pass +//@ compile-flags: -C opt-level=3 + +const fn make() -> (i32, i32, *const i32) { + const V: i32 = 123; + &V as *const i32; + (0, 0, &V) +} + +fn main() { + let arr = [make(); 32]; + println!("{}", arr[0].0); +} diff --git a/tests/ui/issues/issue-18058.rs b/tests/ui/coherence/impl-coherence-error-for-undefined-type-18058.rs index cced66717e1..52baf9871c3 100644 --- a/tests/ui/issues/issue-18058.rs +++ b/tests/ui/coherence/impl-coherence-error-for-undefined-type-18058.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/18058 impl Undefined {} //~^ ERROR cannot find type `Undefined` in this scope diff --git a/tests/ui/issues/issue-18058.stderr b/tests/ui/coherence/impl-coherence-error-for-undefined-type-18058.stderr index c880bb00291..07dce0b04fd 100644 --- a/tests/ui/issues/issue-18058.stderr +++ b/tests/ui/coherence/impl-coherence-error-for-undefined-type-18058.stderr @@ -1,5 +1,5 @@ error[E0412]: cannot find type `Undefined` in this scope - --> $DIR/issue-18058.rs:1:6 + --> $DIR/impl-coherence-error-for-undefined-type-18058.rs:2:6 | LL | impl Undefined {} | ^^^^^^^^^ not found in this scope diff --git a/tests/ui/const-generics/defaults/default-on-impl.rs b/tests/ui/const-generics/defaults/default-on-impl.rs index 9ce46aa09de..85d0c583965 100644 --- a/tests/ui/const-generics/defaults/default-on-impl.rs +++ b/tests/ui/const-generics/defaults/default-on-impl.rs @@ -1,6 +1,6 @@ struct Foo<const N: usize>; impl<const N: usize = 1> Foo<N> {} -//~^ ERROR defaults for const parameters are only allowed +//~^ ERROR defaults for generic parameters are not allowed here fn main() {} diff --git a/tests/ui/const-generics/defaults/default-on-impl.stderr b/tests/ui/const-generics/defaults/default-on-impl.stderr index 691e0354edd..eb5d57e14bf 100644 --- a/tests/ui/const-generics/defaults/default-on-impl.stderr +++ b/tests/ui/const-generics/defaults/default-on-impl.stderr @@ -1,4 +1,4 @@ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/default-on-impl.rs:3:6 | LL | impl<const N: usize = 1> Foo<N> {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105257.rs b/tests/ui/const-generics/generic_const_exprs/issue-105257.rs index a107556fd79..85a28f2b330 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105257.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-105257.rs @@ -1,10 +1,10 @@ #![feature(generic_const_exprs)] -#![allow(incomplete_features)] +#![expect(incomplete_features)] trait Trait<T> { - fn fnc<const N: usize = "">(&self) {} //~ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + fn fnc<const N: usize = "">(&self) {} //~ERROR defaults for generic parameters are not allowed here //~^ ERROR: mismatched types - fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} //~ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} //~ERROR defaults for generic parameters are not allowed here } fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr b/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr index d7ded0f1f74..1d0ab56519c 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-105257.stderr @@ -1,10 +1,10 @@ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/issue-105257.rs:5:12 | LL | fn fnc<const N: usize = "">(&self) {} | ^^^^^^^^^^^^^^^^^^^ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/issue-105257.rs:7:12 | LL | fn foo<const N: usize = { std::mem::size_of::<T>() }>(&self) {} diff --git a/tests/ui/const-generics/min_const_generics/default_function_param.rs b/tests/ui/const-generics/min_const_generics/default_function_param.rs index 92d495ef665..153cd94849e 100644 --- a/tests/ui/const-generics/min_const_generics/default_function_param.rs +++ b/tests/ui/const-generics/min_const_generics/default_function_param.rs @@ -1,4 +1,4 @@ #![crate_type = "lib"] fn foo<const SIZE: usize = 5usize>() {} -//~^ ERROR defaults for const parameters are +//~^ ERROR defaults for generic parameters are not allowed here diff --git a/tests/ui/const-generics/min_const_generics/default_function_param.stderr b/tests/ui/const-generics/min_const_generics/default_function_param.stderr index 247eea3d989..261298a1c63 100644 --- a/tests/ui/const-generics/min_const_generics/default_function_param.stderr +++ b/tests/ui/const-generics/min_const_generics/default_function_param.stderr @@ -1,4 +1,4 @@ -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/default_function_param.rs:3:8 | LL | fn foo<const SIZE: usize = 5usize>() {} diff --git a/tests/ui/issues/issue-77919.rs b/tests/ui/const-generics/trait-resolution-error-with-const-generics-77919.rs index bf603314977..5ab443422df 100644 --- a/tests/ui/issues/issue-77919.rs +++ b/tests/ui/const-generics/trait-resolution-error-with-const-generics-77919.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/77919 fn main() { [1; <Multiply<Five, Five>>::VAL]; } diff --git a/tests/ui/issues/issue-77919.stderr b/tests/ui/const-generics/trait-resolution-error-with-const-generics-77919.stderr index dbbe70ff069..bac8abf46dc 100644 --- a/tests/ui/issues/issue-77919.stderr +++ b/tests/ui/const-generics/trait-resolution-error-with-const-generics-77919.stderr @@ -1,5 +1,5 @@ error[E0412]: cannot find type `PhantomData` in this scope - --> $DIR/issue-77919.rs:9:9 + --> $DIR/trait-resolution-error-with-const-generics-77919.rs:10:9 | LL | _n: PhantomData, | ^^^^^^^^^^^ not found in this scope @@ -10,7 +10,7 @@ LL + use std::marker::PhantomData; | error[E0412]: cannot find type `VAL` in this scope - --> $DIR/issue-77919.rs:11:63 + --> $DIR/trait-resolution-error-with-const-generics-77919.rs:12:63 | LL | impl<N, M> TypeVal<usize> for Multiply<N, M> where N: TypeVal<VAL> {} | ^^^ not found in this scope @@ -21,7 +21,7 @@ LL | impl<N, M, VAL> TypeVal<usize> for Multiply<N, M> where N: TypeVal<VAL> {} | +++++ error[E0046]: not all trait items implemented, missing: `VAL` - --> $DIR/issue-77919.rs:11:1 + --> $DIR/trait-resolution-error-with-const-generics-77919.rs:12:1 | LL | const VAL: T; | ------------ `VAL` from trait diff --git a/tests/ui/issues/issue-32086.rs b/tests/ui/consts/const-pattern-rewrite-error-32086.rs index d595d1dd7e6..d35dfe57687 100644 --- a/tests/ui/issues/issue-32086.rs +++ b/tests/ui/consts/const-pattern-rewrite-error-32086.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32086 struct S(u8); const C: S = S(10); diff --git a/tests/ui/issues/issue-32086.stderr b/tests/ui/consts/const-pattern-rewrite-error-32086.stderr index e566dea8908..47616b06632 100644 --- a/tests/ui/issues/issue-32086.stderr +++ b/tests/ui/consts/const-pattern-rewrite-error-32086.stderr @@ -1,5 +1,5 @@ error[E0532]: expected tuple struct or tuple variant, found constant `C` - --> $DIR/issue-32086.rs:5:9 + --> $DIR/const-pattern-rewrite-error-32086.rs:6:9 | LL | struct S(u8); | ------------- similarly named tuple struct `S` defined here @@ -8,7 +8,7 @@ LL | let C(a) = S(11); | ^ help: a tuple struct with a similar name exists: `S` error[E0532]: expected tuple struct or tuple variant, found constant `C` - --> $DIR/issue-32086.rs:6:9 + --> $DIR/const-pattern-rewrite-error-32086.rs:7:9 | LL | struct S(u8); | ------------- similarly named tuple struct `S` defined here diff --git a/tests/ui/issues/auxiliary/issue-5521.rs b/tests/ui/cross-crate/auxiliary/aux-5521.rs index c2f81779b35..c2f81779b35 100644 --- a/tests/ui/issues/auxiliary/issue-5521.rs +++ b/tests/ui/cross-crate/auxiliary/aux-5521.rs diff --git a/tests/ui/issues/issue-5521.rs b/tests/ui/cross-crate/cross-crate-map-usage-5521.rs index 45896ae8128..ffce846be2c 100644 --- a/tests/ui/issues/issue-5521.rs +++ b/tests/ui/cross-crate/cross-crate-map-usage-5521.rs @@ -1,10 +1,9 @@ +// https://github.com/rust-lang/rust/issues/5521 //@ run-pass #![allow(dead_code)] -//@ aux-build:issue-5521.rs +//@ aux-build:aux-5521.rs - - -extern crate issue_5521 as foo; +extern crate aux_5521 as foo; fn bar(a: foo::map) { if false { diff --git a/tests/ui/issues/issue-46332.rs b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.rs index bed74e3138a..3dd686a66b0 100644 --- a/tests/ui/issues/issue-46332.rs +++ b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/46332 // Original Levenshtein distance for both of this is 1. We improved accuracy with // additional case insensitive comparison. diff --git a/tests/ui/issues/issue-46332.stderr b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.stderr index 8c0c1dfa6ee..502f8151878 100644 --- a/tests/ui/issues/issue-46332.stderr +++ b/tests/ui/did_you_mean/typo-suggestion-improvement-46332.stderr @@ -1,5 +1,5 @@ error[E0422]: cannot find struct, variant or union type `TyUInt` in this scope - --> $DIR/issue-46332.rs:9:5 + --> $DIR/typo-suggestion-improvement-46332.rs:10:5 | LL | struct TyUint {} | ------------- similarly named struct `TyUint` defined here diff --git a/tests/ui/issues/issue-4734.rs b/tests/ui/drop/destructor-run-for-expression-4734.rs index 58aa0179693..57971ee5ef7 100644 --- a/tests/ui/issues/issue-4734.rs +++ b/tests/ui/drop/destructor-run-for-expression-4734.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/4734 //@ run-pass #![allow(dead_code)] // Ensures that destructors are run for expressions of the form "e;" where diff --git a/tests/ui/issues/issue-6892.rs b/tests/ui/drop/destructor-run-for-let-ignore-6892.rs index 7d99aef4ac5..0fcf133c2b1 100644 --- a/tests/ui/issues/issue-6892.rs +++ b/tests/ui/drop/destructor-run-for-let-ignore-6892.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/6892 //@ run-pass #![allow(dead_code)] // Ensures that destructors are run for expressions of the form "let _ = e;" diff --git a/tests/ui/issues/issue-16151.rs b/tests/ui/drop/drop-count-assertion-16151.rs index b18108e0a8a..ede6bc23e73 100644 --- a/tests/ui/issues/issue-16151.rs +++ b/tests/ui/drop/drop-count-assertion-16151.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/16151 //@ run-pass // FIXME(static_mut_refs): Do not allow `static_mut_refs` lint diff --git a/tests/ui/issues/issue-20939.rs b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.rs index c0c22297897..c7938b275e9 100644 --- a/tests/ui/issues/issue-20939.rs +++ b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/20939 trait Foo {} impl<'a> Foo for dyn Foo + 'a {} diff --git a/tests/ui/issues/issue-20939.stderr b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.stderr index 00357155c8a..196d8b6a880 100644 --- a/tests/ui/issues/issue-20939.stderr +++ b/tests/ui/dyn-compatibility/dyn-compatible-trait-implementation-20939.stderr @@ -1,5 +1,5 @@ error[E0371]: the object type `(dyn Foo + 'a)` automatically implements the trait `Foo` - --> $DIR/issue-20939.rs:3:1 + --> $DIR/dyn-compatible-trait-implementation-20939.rs:4:1 | LL | impl<'a> Foo for dyn Foo + 'a {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Foo + 'a)` automatically implements trait `Foo` diff --git a/tests/ui/explicit-tail-calls/callee_is_ref.fixed b/tests/ui/explicit-tail-calls/callee_is_ref.fixed new file mode 100644 index 00000000000..7525e5c5df8 --- /dev/null +++ b/tests/ui/explicit-tail-calls/callee_is_ref.fixed @@ -0,0 +1,26 @@ +//@ run-rustfix +#![feature(explicit_tail_calls)] +#![expect(incomplete_features)] + +fn f() {} + +fn g() { + become (*(&f))() //~ error: tail calls can only be performed with function definitions or pointers +} + +fn h() { + let table = [f as fn()]; + if let Some(fun) = table.get(0) { + become (*fun)(); //~ error: tail calls can only be performed with function definitions or pointers + } +} + +fn i() { + become (***Box::new(&mut &f))(); //~ error: tail calls can only be performed with function definitions or pointers +} + +fn main() { + g(); + h(); + i(); +} diff --git a/tests/ui/explicit-tail-calls/callee_is_ref.rs b/tests/ui/explicit-tail-calls/callee_is_ref.rs new file mode 100644 index 00000000000..36bf9efb952 --- /dev/null +++ b/tests/ui/explicit-tail-calls/callee_is_ref.rs @@ -0,0 +1,26 @@ +//@ run-rustfix +#![feature(explicit_tail_calls)] +#![expect(incomplete_features)] + +fn f() {} + +fn g() { + become (&f)() //~ error: tail calls can only be performed with function definitions or pointers +} + +fn h() { + let table = [f as fn()]; + if let Some(fun) = table.get(0) { + become fun(); //~ error: tail calls can only be performed with function definitions or pointers + } +} + +fn i() { + become Box::new(&mut &f)(); //~ error: tail calls can only be performed with function definitions or pointers +} + +fn main() { + g(); + h(); + i(); +} diff --git a/tests/ui/explicit-tail-calls/callee_is_ref.stderr b/tests/ui/explicit-tail-calls/callee_is_ref.stderr new file mode 100644 index 00000000000..4a2ff465e68 --- /dev/null +++ b/tests/ui/explicit-tail-calls/callee_is_ref.stderr @@ -0,0 +1,38 @@ +error: tail calls can only be performed with function definitions or pointers + --> $DIR/callee_is_ref.rs:8:12 + | +LL | become (&f)() + | ^^^^^^ + | + = note: callee has type `&fn() {f}` +help: consider dereferencing the expression to get a function definition + | +LL | become (*(&f))() + | ++ + + +error: tail calls can only be performed with function definitions or pointers + --> $DIR/callee_is_ref.rs:14:16 + | +LL | become fun(); + | ^^^^^ + | + = note: callee has type `&fn()` +help: consider dereferencing the expression to get a function pointer + | +LL | become (*fun)(); + | ++ + + +error: tail calls can only be performed with function definitions or pointers + --> $DIR/callee_is_ref.rs:19:12 + | +LL | become Box::new(&mut &f)(); + | ^^^^^^^^^^^^^^^^^^^ + | + = note: callee has type `Box<&mut &fn() {f}>` +help: consider dereferencing the expression to get a function definition + | +LL | become (***Box::new(&mut &f))(); + | ++++ + + +error: aborting due to 3 previous errors + diff --git a/tests/ui/explicit-tail-calls/callee_is_weird.rs b/tests/ui/explicit-tail-calls/callee_is_weird.rs new file mode 100644 index 00000000000..b3ca878c232 --- /dev/null +++ b/tests/ui/explicit-tail-calls/callee_is_weird.rs @@ -0,0 +1,29 @@ +#![feature(explicit_tail_calls, exclusive_wrapper, fn_traits, unboxed_closures)] +#![expect(incomplete_features)] + +fn f() {} + +fn g() { + become std::sync::Exclusive::new(f)() //~ error: tail calls can only be performed with function definitions or pointers +} + +fn h() { + become (&mut &std::sync::Exclusive::new(f))() //~ error: tail calls can only be performed with function definitions or pointers +} + +fn i() { + struct J; + + impl FnOnce<()> for J { + type Output = (); + extern "rust-call" fn call_once(self, (): ()) -> Self::Output {} + } + + become J(); //~ error: tail calls can only be performed with function definitions or pointers +} + +fn main() { + g(); + h(); + i(); +} diff --git a/tests/ui/explicit-tail-calls/callee_is_weird.stderr b/tests/ui/explicit-tail-calls/callee_is_weird.stderr new file mode 100644 index 00000000000..a4e5a38ce33 --- /dev/null +++ b/tests/ui/explicit-tail-calls/callee_is_weird.stderr @@ -0,0 +1,26 @@ +error: tail calls can only be performed with function definitions or pointers + --> $DIR/callee_is_weird.rs:7:12 + | +LL | become std::sync::Exclusive::new(f)() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: callee has type `Exclusive<fn() {f}>` + +error: tail calls can only be performed with function definitions or pointers + --> $DIR/callee_is_weird.rs:11:12 + | +LL | become (&mut &std::sync::Exclusive::new(f))() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: callee has type `Exclusive<fn() {f}>` + +error: tail calls can only be performed with function definitions or pointers + --> $DIR/callee_is_weird.rs:22:12 + | +LL | become J(); + | ^^^ + | + = note: callee has type `J` + +error: aborting due to 3 previous errors + diff --git a/tests/ui/explicit-tail-calls/higher-ranked-arg.rs b/tests/ui/explicit-tail-calls/higher-ranked-arg.rs new file mode 100644 index 00000000000..e60686ab511 --- /dev/null +++ b/tests/ui/explicit-tail-calls/higher-ranked-arg.rs @@ -0,0 +1,13 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/144826>. +//@ check-pass + +#![feature(explicit_tail_calls)] +#![expect(incomplete_features)] + +fn foo(x: fn(&i32)) { + become bar(x); +} + +fn bar(_: fn(&i32)) {} + +fn main() {} diff --git a/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.rs b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.rs new file mode 100644 index 00000000000..111ae849c0f --- /dev/null +++ b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.rs @@ -0,0 +1,16 @@ +#![feature(explicit_tail_calls)] +#![expect(incomplete_features)] + +fn link(x: &str) -> &'static str { + become passthrough(x); + //~^ ERROR lifetime may not live long enough +} + +fn passthrough<T>(t: T) -> T { t } + +fn main() { + let x = String::from("hello, world"); + let s = link(&x); + drop(x); + println!("{s}"); +} diff --git a/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.stderr b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.stderr new file mode 100644 index 00000000000..26a8e1f0122 --- /dev/null +++ b/tests/ui/explicit-tail-calls/ret-ty-borrowck-constraints.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/ret-ty-borrowck-constraints.rs:5:5 + | +LL | fn link(x: &str) -> &'static str { + | - let's call the lifetime of this reference `'1` +LL | become passthrough(x); + | ^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static` + +error: aborting due to 1 previous error + diff --git a/tests/ui/generic-associated-types/type-param-defaults.rs b/tests/ui/generic-associated-types/type-param-defaults.rs index eea54c46073..6e9a62b96c4 100644 --- a/tests/ui/generic-associated-types/type-param-defaults.rs +++ b/tests/ui/generic-associated-types/type-param-defaults.rs @@ -4,17 +4,17 @@ trait Trait { type Assoc<T = u32>; - //~^ ERROR defaults for type parameters are only allowed + //~^ ERROR defaults for generic parameters are not allowed here } impl Trait for () { type Assoc<T = u32> = u64; - //~^ ERROR defaults for type parameters are only allowed + //~^ ERROR defaults for generic parameters are not allowed here } impl Trait for u32 { type Assoc<T = u32> = T; - //~^ ERROR defaults for type parameters are only allowed + //~^ ERROR defaults for generic parameters are not allowed here } trait Other {} diff --git a/tests/ui/generic-associated-types/type-param-defaults.stderr b/tests/ui/generic-associated-types/type-param-defaults.stderr index 3c094d45fff..d9872dadbdb 100644 --- a/tests/ui/generic-associated-types/type-param-defaults.stderr +++ b/tests/ui/generic-associated-types/type-param-defaults.stderr @@ -1,16 +1,16 @@ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/type-param-defaults.rs:6:16 | LL | type Assoc<T = u32>; | ^^^^^^^ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/type-param-defaults.rs:11:16 | LL | type Assoc<T = u32> = u64; | ^^^^^^^ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/type-param-defaults.rs:16:16 | LL | type Assoc<T = u32> = T; diff --git a/tests/ui/generic-const-items/parameter-defaults.rs b/tests/ui/generic-const-items/parameter-defaults.rs index c933db17fa2..b52cb0fd002 100644 --- a/tests/ui/generic-const-items/parameter-defaults.rs +++ b/tests/ui/generic-const-items/parameter-defaults.rs @@ -7,9 +7,17 @@ // FIXME(default_type_parameter_fallback): Consider reallowing them once they work properly. -const NONE<T = ()>: Option<T> = None::<T>; //~ ERROR defaults for type parameters are only allowed +const NONE<T = ()>: Option<T> = None::<T>; +//~^ ERROR defaults for generic parameters are not allowed here -fn main() { - let _ = NONE; - //~^ ERROR type annotations needed +impl Host { + const NADA<T = ()>: Option<T> = None::<T>; + //~^ ERROR defaults for generic parameters are not allowed here } + +enum Host {} + +fn body0() { let _ = NONE; } //~ ERROR type annotations needed +fn body1() { let _ = Host::NADA; } //~ ERROR type annotations needed + +fn main() {} diff --git a/tests/ui/generic-const-items/parameter-defaults.stderr b/tests/ui/generic-const-items/parameter-defaults.stderr index 13562c98f6d..9bf1f6412f5 100644 --- a/tests/ui/generic-const-items/parameter-defaults.stderr +++ b/tests/ui/generic-const-items/parameter-defaults.stderr @@ -1,20 +1,37 @@ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/parameter-defaults.rs:10:12 | LL | const NONE<T = ()>: Option<T> = None::<T>; | ^^^^^^ +error: defaults for generic parameters are not allowed here + --> $DIR/parameter-defaults.rs:14:16 + | +LL | const NADA<T = ()>: Option<T> = None::<T>; + | ^^^^^^ + +error[E0282]: type annotations needed for `Option<_>` + --> $DIR/parameter-defaults.rs:20:18 + | +LL | fn body0() { let _ = NONE; } + | ^ ---- type must be known at this point + | +help: consider giving this pattern a type, where the type for type parameter `T` is specified + | +LL | fn body0() { let _: Option<T> = NONE; } + | +++++++++++ + error[E0282]: type annotations needed for `Option<_>` - --> $DIR/parameter-defaults.rs:13:9 + --> $DIR/parameter-defaults.rs:21:18 | -LL | let _ = NONE; - | ^ ---- type must be known at this point +LL | fn body1() { let _ = Host::NADA; } + | ^ ---------- type must be known at this point | help: consider giving this pattern a type, where the type for type parameter `T` is specified | -LL | let _: Option<T> = NONE; - | +++++++++++ +LL | fn body1() { let _: Option<T> = Host::NADA; } + | +++++++++++ -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/generics/generic-extern.rs b/tests/ui/generics/generic-extern.rs index 36fa5eaafd6..b4f00fc1187 100644 --- a/tests/ui/generics/generic-extern.rs +++ b/tests/ui/generics/generic-extern.rs @@ -1,7 +1,15 @@ +// Ensure that we reject generic parameters on foreign items. + extern "C" { fn foo<T>(); //~ ERROR foreign items may not have type parameters + + // Furthermore, check that type parameter defaults lead to a *hard* error, + // not just a lint error, for maximum forward compatibility. + #[allow(invalid_type_param_default)] // Should have no effect here. + fn bar<T = ()>(); //~ ERROR foreign items may not have type parameters + //~^ ERROR defaults for generic parameters are not allowed here } fn main() { - foo::<i32>(); //~ ERROR requires unsafe + unsafe { foo::<i32>() }; } diff --git a/tests/ui/generics/generic-extern.stderr b/tests/ui/generics/generic-extern.stderr index a3f28825316..6e837156812 100644 --- a/tests/ui/generics/generic-extern.stderr +++ b/tests/ui/generics/generic-extern.stderr @@ -1,20 +1,25 @@ error[E0044]: foreign items may not have type parameters - --> $DIR/generic-extern.rs:2:5 + --> $DIR/generic-extern.rs:4:5 | LL | fn foo<T>(); | ^^^^^^^^^^^^ can't have type parameters | = help: replace the type parameters with concrete types like `u32` -error[E0133]: call to unsafe function `foo` is unsafe and requires unsafe function or block - --> $DIR/generic-extern.rs:6:5 +error: defaults for generic parameters are not allowed here + --> $DIR/generic-extern.rs:9:12 | -LL | foo::<i32>(); - | ^^^^^^^^^^^^ call to unsafe function +LL | fn bar<T = ()>(); + | ^^^^^^ + +error[E0044]: foreign items may not have type parameters + --> $DIR/generic-extern.rs:9:5 | - = note: consult the function's documentation for information on how to avoid undefined behavior +LL | fn bar<T = ()>(); + | ^^^^^^^^^^^^^^^^^ can't have type parameters + | + = help: replace the type parameters with concrete types like `u32` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0044, E0133. -For more information about an error, try `rustc --explain E0044`. +For more information about this error, try `rustc --explain E0044`. diff --git a/tests/ui/generics/invalid-type-param-default.rs b/tests/ui/generics/invalid-type-param-default.rs new file mode 100644 index 00000000000..b47e142605c --- /dev/null +++ b/tests/ui/generics/invalid-type-param-default.rs @@ -0,0 +1,22 @@ +// Ensure that we emit the deny-by-default lint `invalid_type_param_default` in locations where +// type parameter defaults were accidentally allowed but don't have any effect whatsoever. +// +// Tracked in <https://github.com/rust-lang/rust/issues/36887>. +// FIXME(default_type_parameter_fallback): Consider reallowing them once they work properly. + +fn avg<T = i32>(_: T) {} +//~^ ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] +//~| WARN this was previously accepted + +// issue: <https://github.com/rust-lang/rust/issues/26812> +fn mdn<T = T::Item>(_: T) {} +//~^ ERROR generic parameter defaults cannot reference parameters before they are declared +//~| ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] +//~| WARN this was previously accepted + +struct S<T>(T); +impl<T = i32> S<T> {} +//~^ ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] +//~| WARN this was previously accepted + +fn main() {} diff --git a/tests/ui/generics/invalid-type-param-default.stderr b/tests/ui/generics/invalid-type-param-default.stderr new file mode 100644 index 00000000000..1c8fdd8ab5c --- /dev/null +++ b/tests/ui/generics/invalid-type-param-default.stderr @@ -0,0 +1,70 @@ +error[E0128]: generic parameter defaults cannot reference parameters before they are declared + --> $DIR/invalid-type-param-default.rs:12:12 + | +LL | fn mdn<T = T::Item>(_: T) {} + | ^^^^^^^ cannot reference `T` before it is declared + +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:7:8 + | +LL | fn avg<T = i32>(_: T) {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:12:8 + | +LL | fn mdn<T = T::Item>(_: T) {} + | ^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:18:6 + | +LL | impl<T = i32> S<T> {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0128`. +Future incompatibility report: Future breakage diagnostic: +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:7:8 + | +LL | fn avg<T = i32>(_: T) {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + +Future breakage diagnostic: +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:12:8 + | +LL | fn mdn<T = T::Item>(_: T) {} + | ^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + +Future breakage diagnostic: +error: defaults for generic parameters are not allowed here + --> $DIR/invalid-type-param-default.rs:18:6 + | +LL | impl<T = i32> S<T> {} + | ^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + = note: `#[deny(invalid_type_param_default)]` on by default + diff --git a/tests/ui/generics/overlapping-errors-span-issue-123861.rs b/tests/ui/generics/overlapping-errors-span-issue-123861.rs index e0a27f68748..2549f4b3714 100644 --- a/tests/ui/generics/overlapping-errors-span-issue-123861.rs +++ b/tests/ui/generics/overlapping-errors-span-issue-123861.rs @@ -1,7 +1,7 @@ fn mainIterator<_ = _> {} //~^ ERROR expected identifier, found reserved identifier `_` //~| ERROR missing parameters for function definition -//~| ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions [invalid_type_param_default] +//~| ERROR defaults for generic parameters are not allowed here [invalid_type_param_default] //~| WARNING this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! //~| ERROR the placeholder `_` is not allowed within types on item signatures for functions [E0121] diff --git a/tests/ui/generics/overlapping-errors-span-issue-123861.stderr b/tests/ui/generics/overlapping-errors-span-issue-123861.stderr index 7d08d8fed9f..44e8b4a01e7 100644 --- a/tests/ui/generics/overlapping-errors-span-issue-123861.stderr +++ b/tests/ui/generics/overlapping-errors-span-issue-123861.stderr @@ -15,7 +15,7 @@ help: add a parameter list LL | fn mainIterator<_ = _>() {} | ++ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/overlapping-errors-span-issue-123861.rs:1:17 | LL | fn mainIterator<_ = _> {} @@ -35,7 +35,7 @@ error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0121`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/overlapping-errors-span-issue-123861.rs:1:17 | LL | fn mainIterator<_ = _> {} diff --git a/tests/ui/issues/issue-36116.rs b/tests/ui/generics/unnecessary-path-disambiguator-36116.rs index 2313e189aff..c2dab605f59 100644 --- a/tests/ui/issues/issue-36116.rs +++ b/tests/ui/generics/unnecessary-path-disambiguator-36116.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/36116 // Unnecessary path disambiguator is ok //@ check-pass diff --git a/tests/ui/issues/issue-36075.rs b/tests/ui/generics/unused-type-parameter-regression-36075.rs index a563332ad78..4d6eb617b59 100644 --- a/tests/ui/issues/issue-36075.rs +++ b/tests/ui/generics/unused-type-parameter-regression-36075.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/36075 //@ check-pass #![allow(dead_code)] trait DeclarationParser { diff --git a/tests/ui/impl-trait/where-allowed.rs b/tests/ui/impl-trait/where-allowed.rs index 1c3c66c537f..04a95f7f6f0 100644 --- a/tests/ui/impl-trait/where-allowed.rs +++ b/tests/ui/impl-trait/where-allowed.rs @@ -236,17 +236,15 @@ type InTypeAliasGenericParamDefault<T = impl Debug> = T; //~^ ERROR `impl Trait` is not allowed in generic parameter defaults // Disallowed -impl <T = impl Debug> T {} -//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions -//~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` is not allowed in generic parameter defaults +#[expect(invalid_type_param_default)] +impl<T = impl Debug> T {} +//~^ ERROR `impl Trait` is not allowed in generic parameter defaults //~| ERROR no nominal type found // Disallowed +#[expect(invalid_type_param_default)] fn in_method_generic_param_default<T = impl Debug>(_: T) {} -//~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions -//~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` is not allowed in generic parameter defaults +//~^ ERROR `impl Trait` is not allowed in generic parameter defaults fn main() { let _in_local_variable: impl Fn() = || {}; diff --git a/tests/ui/impl-trait/where-allowed.stderr b/tests/ui/impl-trait/where-allowed.stderr index 052ae5a9931..08caff326c4 100644 --- a/tests/ui/impl-trait/where-allowed.stderr +++ b/tests/ui/impl-trait/where-allowed.stderr @@ -311,10 +311,10 @@ LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T; = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0562]: `impl Trait` is not allowed in generic parameter defaults - --> $DIR/where-allowed.rs:239:11 + --> $DIR/where-allowed.rs:240:10 | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^ +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^ | = note: `impl Trait` is only allowed in arguments and return types of functions and methods @@ -327,7 +327,7 @@ LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0562]: `impl Trait` is not allowed in the type of variable bindings - --> $DIR/where-allowed.rs:252:29 + --> $DIR/where-allowed.rs:250:29 | LL | let _in_local_variable: impl Fn() = || {}; | ^^^^^^^^^ @@ -338,7 +338,7 @@ LL | let _in_local_variable: impl Fn() = || {}; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0562]: `impl Trait` is not allowed in closure return types - --> $DIR/where-allowed.rs:254:46 + --> $DIR/where-allowed.rs:252:46 | LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; | ^^^^^^^^^ @@ -368,25 +368,6 @@ LL - fn in_trait_impl_return() -> impl Debug { () } LL + fn in_trait_impl_return() -> <() as DummyTrait>::Out { () } | -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:246:36 - | -LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:239:7 - | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - error[E0283]: type annotations needed --> $DIR/where-allowed.rs:46:57 | @@ -408,10 +389,10 @@ LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { pani where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized; error[E0118]: no nominal type found for inherent implementation - --> $DIR/where-allowed.rs:239:1 + --> $DIR/where-allowed.rs:240:1 | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type | = note: either implement a trait on it or create a newtype to wrap it instead @@ -431,29 +412,21 @@ LL | type InTypeAlias<R> = impl Debug; | = note: `InTypeAlias` must be used in combination with a concrete type within the same crate -error: aborting due to 50 previous errors +error: aborting due to 48 previous errors Some errors have detailed explanations: E0053, E0118, E0283, E0562, E0658, E0666. For more information about an error, try `rustc --explain E0053`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +warning: defaults for generic parameters are not allowed here --> $DIR/where-allowed.rs:246:36 | LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:239:7 - | -LL | impl <T = impl Debug> T {} - | ^^^^^^^^^^^^^^ +warning: defaults for generic parameters are not allowed here + --> $DIR/where-allowed.rs:240:6 | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default +LL | impl<T = impl Debug> T {} + | ^^^^^^^^^^^^^^ diff --git a/tests/ui/inference/collection-type-copy-behavior-12909.rs b/tests/ui/inference/collection-type-copy-behavior-12909.rs new file mode 100644 index 00000000000..83536e8875c --- /dev/null +++ b/tests/ui/inference/collection-type-copy-behavior-12909.rs @@ -0,0 +1,20 @@ +// https://github.com/rust-lang/rust/issues/12909 +//@ run-pass +#![allow(unused_variables)] + +use std::collections::HashMap; + +fn copy<T: Copy>(&x: &T) -> T { + x +} + +fn main() { + let arr = [(1, 1), (2, 2), (3, 3)]; + + let v1: Vec<&_> = arr.iter().collect(); + let v2: Vec<_> = arr.iter().map(copy).collect(); + + let m1: HashMap<_, _> = arr.iter().map(copy).collect(); + let m2: HashMap<isize, _> = arr.iter().map(copy).collect(); + let m3: HashMap<_, usize> = arr.iter().map(copy).collect(); +} diff --git a/tests/ui/instrument-coverage/coverage-options.bad.stderr b/tests/ui/instrument-coverage/coverage-options.bad.stderr index 1a6b30dc832..4a272cf97fb 100644 --- a/tests/ui/instrument-coverage/coverage-options.bad.stderr +++ b/tests/ui/instrument-coverage/coverage-options.bad.stderr @@ -1,2 +1,2 @@ -error: incorrect value `bad` for unstable option `coverage-options` - `block` | `branch` | `condition` | `mcdc` | `no-mir-spans` was expected +error: incorrect value `bad` for unstable option `coverage-options` - `block` | `branch` | `condition` | `mcdc` was expected diff --git a/tests/ui/issues/auxiliary/issue-25185-2.rs b/tests/ui/issues/auxiliary/issue-25185-2.rs deleted file mode 100644 index 7ce3df255a3..00000000000 --- a/tests/ui/issues/auxiliary/issue-25185-2.rs +++ /dev/null @@ -1,3 +0,0 @@ -extern crate issue_25185_1; - -pub use issue_25185_1::rust_dbg_extern_identity_u32; diff --git a/tests/ui/issues/issue-25185.rs b/tests/ui/issues/issue-25185.rs deleted file mode 100644 index 7dc06ad96df..00000000000 --- a/tests/ui/issues/issue-25185.rs +++ /dev/null @@ -1,12 +0,0 @@ -//@ run-pass -//@ aux-build:issue-25185-1.rs -//@ aux-build:issue-25185-2.rs - -extern crate issue_25185_2; - -fn main() { - let x = unsafe { - issue_25185_2::rust_dbg_extern_identity_u32(1) - }; - assert_eq!(x, 1); -} diff --git a/tests/ui/issues/issue-26812.rs b/tests/ui/issues/issue-26812.rs deleted file mode 100644 index 8eb030a8ec9..00000000000 --- a/tests/ui/issues/issue-26812.rs +++ /dev/null @@ -1,6 +0,0 @@ -fn avg<T=T::Item>(_: T) {} -//~^ ERROR generic parameter defaults cannot reference parameters before they are declared -//~| ERROR defaults for type parameters -//~| WARN previously accepted - -fn main() {} diff --git a/tests/ui/issues/issue-26812.stderr b/tests/ui/issues/issue-26812.stderr deleted file mode 100644 index bb60d67e287..00000000000 --- a/tests/ui/issues/issue-26812.stderr +++ /dev/null @@ -1,30 +0,0 @@ -error[E0128]: generic parameter defaults cannot reference parameters before they are declared - --> $DIR/issue-26812.rs:1:10 - | -LL | fn avg<T=T::Item>(_: T) {} - | ^^^^^^^ cannot reference `T` before it is declared - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/issue-26812.rs:1:8 - | -LL | fn avg<T=T::Item>(_: T) {} - | ^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0128`. -Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/issue-26812.rs:1:8 - | -LL | fn avg<T=T::Item>(_: T) {} - | ^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - diff --git a/tests/ui/issues/issue-32655.rs b/tests/ui/issues/issue-32655.rs deleted file mode 100644 index f52e0923129..00000000000 --- a/tests/ui/issues/issue-32655.rs +++ /dev/null @@ -1,19 +0,0 @@ -macro_rules! foo ( - () => ( - #[derive_Clone] //~ ERROR cannot find attribute `derive_Clone` in this scope - struct T; - ); -); - -macro_rules! bar ( - ($e:item) => ($e) -); - -foo!(); - -bar!( - #[derive_Clone] //~ ERROR cannot find attribute `derive_Clone` in this scope - struct S; -); - -fn main() {} diff --git a/tests/ui/issues/issue-32655.stderr b/tests/ui/issues/issue-32655.stderr deleted file mode 100644 index b8362499b2d..00000000000 --- a/tests/ui/issues/issue-32655.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error: cannot find attribute `derive_Clone` in this scope - --> $DIR/issue-32655.rs:3:11 - | -LL | #[derive_Clone] - | ^^^^^^^^^^^^ help: an attribute macro with a similar name exists: `derive_const` -... -LL | foo!(); - | ------ in this macro invocation - --> $SRC_DIR/core/src/macros/mod.rs:LL:COL - | - = note: similarly named attribute macro `derive_const` defined here - | - = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: cannot find attribute `derive_Clone` in this scope - --> $DIR/issue-32655.rs:15:7 - | -LL | #[derive_Clone] - | ^^^^^^^^^^^^ help: an attribute macro with a similar name exists: `derive_const` - --> $SRC_DIR/core/src/macros/mod.rs:LL:COL - | - = note: similarly named attribute macro `derive_const` defined here - -error: aborting due to 2 previous errors - diff --git a/tests/ui/issues/issue-9188.rs b/tests/ui/issues/issue-9188.rs deleted file mode 100644 index df2f90a0f16..00000000000 --- a/tests/ui/issues/issue-9188.rs +++ /dev/null @@ -1,11 +0,0 @@ -//@ run-pass -//@ aux-build:issue-9188.rs - - -extern crate issue_9188; - -pub fn main() { - let a = issue_9188::bar(); - let b = issue_9188::foo::<isize>(); - assert_eq!(*a, *b); -} diff --git a/tests/ui/issues/issue-23966.rs b/tests/ui/iterators/fold-iterator-error-23966.rs index 5fdec28ac2c..970c943da0b 100644 --- a/tests/ui/issues/issue-23966.rs +++ b/tests/ui/iterators/fold-iterator-error-23966.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/23966 fn main() { "".chars().fold(|_, _| (), ()); //~^ ERROR E0277 diff --git a/tests/ui/issues/issue-23966.stderr b/tests/ui/iterators/fold-iterator-error-23966.stderr index 3f7a4fa312f..15249a93597 100644 --- a/tests/ui/issues/issue-23966.stderr +++ b/tests/ui/iterators/fold-iterator-error-23966.stderr @@ -1,5 +1,5 @@ error[E0277]: expected a `FnMut(_, char)` closure, found `()` - --> $DIR/issue-23966.rs:2:32 + --> $DIR/fold-iterator-error-23966.rs:3:32 | LL | "".chars().fold(|_, _| (), ()); | ---- ^^ expected an `FnMut(_, char)` closure, found `()` diff --git a/tests/ui/issues/issue-15673.rs b/tests/ui/iterators/iterator-type-inference-sum-15673.rs index bb61c246276..aee027927f2 100644 --- a/tests/ui/issues/issue-15673.rs +++ b/tests/ui/iterators/iterator-type-inference-sum-15673.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/15673 //@ run-pass #![allow(stable_features)] diff --git a/tests/ui/issues/issue-15735.rs b/tests/ui/lifetimes/lifetime-inference-miss-15735.rs index f5b3803f155..c75d59a2f4b 100644 --- a/tests/ui/issues/issue-15735.rs +++ b/tests/ui/lifetimes/lifetime-inference-miss-15735.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/15735 //@ check-pass #![allow(dead_code)] struct A<'a> { diff --git a/tests/ui/lifetimes/unusual-rib-combinations.rs b/tests/ui/lifetimes/unusual-rib-combinations.rs index 0e92b41ae1e..b3e9642332b 100644 --- a/tests/ui/lifetimes/unusual-rib-combinations.rs +++ b/tests/ui/lifetimes/unusual-rib-combinations.rs @@ -14,7 +14,7 @@ fn b<const C: u8()>() {} // Paren generic args in AnonymousReportError fn c<T = u8()>() {} //~^ ERROR parenthesized type parameters may only be used with a `Fn` trait -//~| ERROR defaults for type parameters are only allowed in +//~| ERROR defaults for generic parameters are not allowed here //~| WARN this was previously accepted // Elided lifetime in path in ConstGeneric diff --git a/tests/ui/lifetimes/unusual-rib-combinations.stderr b/tests/ui/lifetimes/unusual-rib-combinations.stderr index 7373ca8cf84..bd68479c58c 100644 --- a/tests/ui/lifetimes/unusual-rib-combinations.stderr +++ b/tests/ui/lifetimes/unusual-rib-combinations.stderr @@ -22,7 +22,7 @@ error[E0214]: parenthesized type parameters may only be used with a `Fn` trait LL | fn c<T = u8()>() {} | ^^^^ only `Fn` traits may use parentheses -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/unusual-rib-combinations.rs:15:6 | LL | fn c<T = u8()>() {} @@ -43,7 +43,7 @@ error: aborting due to 6 previous errors Some errors have detailed explanations: E0106, E0214, E0308, E0770. For more information about an error, try `rustc --explain E0106`. Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/unusual-rib-combinations.rs:15:6 | LL | fn c<T = u8()>() {} diff --git a/tests/ui/issues/auxiliary/issue-25185-1.rs b/tests/ui/linking/auxiliary/aux-25185-1.rs index 032d7d5de34..032d7d5de34 100644 --- a/tests/ui/issues/auxiliary/issue-25185-1.rs +++ b/tests/ui/linking/auxiliary/aux-25185-1.rs diff --git a/tests/ui/linking/auxiliary/aux-25185-2.rs b/tests/ui/linking/auxiliary/aux-25185-2.rs new file mode 100644 index 00000000000..96c73f623e4 --- /dev/null +++ b/tests/ui/linking/auxiliary/aux-25185-2.rs @@ -0,0 +1,3 @@ +extern crate aux_25185_1; + +pub use aux_25185_1::rust_dbg_extern_identity_u32; diff --git a/tests/ui/linking/rlib-to-dylib-native-deps-inclusion-25185.rs b/tests/ui/linking/rlib-to-dylib-native-deps-inclusion-25185.rs new file mode 100644 index 00000000000..bbcfcb75106 --- /dev/null +++ b/tests/ui/linking/rlib-to-dylib-native-deps-inclusion-25185.rs @@ -0,0 +1,13 @@ +// https://github.com/rust-lang/rust/issues/25185 +//@ run-pass +//@ aux-build:aux-25185-1.rs +//@ aux-build:aux-25185-2.rs + +extern crate aux_25185_2; + +fn main() { + let x = unsafe { + aux_25185_2::rust_dbg_extern_identity_u32(1) + }; + assert_eq!(x, 1); +} diff --git a/tests/ui/lint/dangling-pointers-from-locals.rs b/tests/ui/lint/dangling-pointers-from-locals.rs new file mode 100644 index 00000000000..e321df2f427 --- /dev/null +++ b/tests/ui/lint/dangling-pointers-from-locals.rs @@ -0,0 +1,188 @@ +//@ check-pass + +struct Zst((), ()); +struct Adt(u8); + +const X: u8 = 5; + +fn simple() -> *const u8 { + let x = 0; + &x + //~^ WARN a dangling pointer will be produced +} + +fn bindings() -> *const u8 { + let x = 0; + let x = &x; + x + //~^ WARN a dangling pointer will be produced +} + +fn bindings_with_return() -> *const u8 { + let x = 42; + let y = &x; + return y; + //~^ WARN a dangling pointer will be produced +} + +fn with_simple_cast() -> *const u8 { + let x = 0u8; + &x as *const u8 + //~^ WARN a dangling pointer will be produced +} + +fn bindings_and_casts() -> *const u8 { + let x = 0u8; + let x = &x as *const u8; + x as *const u8 + //~^ WARN a dangling pointer will be produced +} + +fn return_with_complex_cast() -> *mut u8 { + let mut x = 0u8; + return &mut x as *mut u8 as *const u8 as *mut u8; + //~^ WARN a dangling pointer will be produced +} + +fn with_block() -> *const u8 { + let x = 0; + &{ x } + //~^ WARN a dangling pointer will be produced +} + +fn with_many_blocks() -> *const u8 { + let x = 0; + { + { + &{ + //~^ WARN a dangling pointer will be produced + { x } + } + } + } +} + +fn simple_return() -> *const u8 { + let x = 0; + return &x; + //~^ WARN a dangling pointer will be produced +} + +fn return_mut() -> *mut u8 { + let mut x = 0; + return &mut x; + //~^ WARN a dangling pointer will be produced +} + +fn const_and_flow() -> *const u8 { + if false { + let x = 8; + return &x; + //~^ WARN a dangling pointer will be produced + } + &X // not dangling +} + +fn vector<T: Default>() -> *const Vec<T> { + let x = vec![T::default()]; + &x + //~^ WARN a dangling pointer will be produced +} + +fn local_adt() -> *const Adt { + let x = Adt(5); + return &x; + //~^ WARN a dangling pointer will be produced +} + +fn closure() -> *const u8 { + let _x = || -> *const u8 { + let x = 8; + return &x; + //~^ WARN a dangling pointer will be produced + }; + &X // not dangling +} + +fn fn_ptr() -> *const fn() -> u8 { + fn ret_u8() -> u8 { + 0 + } + + let x = ret_u8 as fn() -> u8; + &x + //~^ WARN a dangling pointer will be produced +} + +fn as_arg(a: Adt) -> *const Adt { + &a + //~^ WARN a dangling pointer will be produced +} + +fn fn_ptr_as_arg(a: fn() -> u8) -> *const fn() -> u8 { + &a + //~^ WARN a dangling pointer will be produced +} + +fn ptr_as_arg(a: *const Adt) -> *const *const Adt { + &a + //~^ WARN a dangling pointer will be produced +} + +fn adt_as_arg(a: &Adt) -> *const &Adt { + &a + //~^ WARN a dangling pointer will be produced +} + +fn unit() -> *const () { + let x = (); + &x // not dangling +} + +fn zst() -> *const Zst { + let x = Zst((), ()); + &x // not dangling +} + +fn ref_implicit(a: &Adt) -> *const Adt { + a // not dangling +} + +fn ref_explicit(a: &Adt) -> *const Adt { + &*a // not dangling +} + +fn identity(a: *const Adt) -> *const Adt { + a // not dangling +} + +fn from_ref(a: &Adt) -> *const Adt { + std::ptr::from_ref(a) // not dangling +} + +fn inner_static() -> *const u8 { + static U: u8 = 5; + if false { + return &U as *const u8; // not dangling + } + &U // not dangling +} + +fn return_in_closure() { + let x = 0; + let c = || -> *const u8 { + &x // not dangling by it-self + }; +} + +fn option<T: Default>() -> *const Option<T> { + let x = Some(T::default()); + &x // can't compute layout of `Option<T>`, so cnat' be sure it won't be a ZST +} + +fn generic<T: Default>() -> *const T { + let x = T::default(); + &x // can't compute layout of `T`, so can't be sure it won't be a ZST +} + +fn main() {} diff --git a/tests/ui/lint/dangling-pointers-from-locals.stderr b/tests/ui/lint/dangling-pointers-from-locals.stderr new file mode 100644 index 00000000000..e1d28bf22a0 --- /dev/null +++ b/tests/ui/lint/dangling-pointers-from-locals.stderr @@ -0,0 +1,247 @@ +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:10:5 + | +LL | fn simple() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0; + | - `x` is part the function and will be dropped at the end of the function +LL | &x + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + = note: `#[warn(dangling_pointers_from_locals)]` on by default + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:17:5 + | +LL | fn bindings() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0; + | - `x` is part the function and will be dropped at the end of the function +LL | let x = &x; + | -- dangling pointer created here +LL | x + | ^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:24:12 + | +LL | fn bindings_with_return() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 42; + | - `x` is part the function and will be dropped at the end of the function +LL | let y = &x; + | -- dangling pointer created here +LL | return y; + | ^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:30:5 + | +LL | fn with_simple_cast() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0u8; + | - `x` is part the function and will be dropped at the end of the function +LL | &x as *const u8 + | --^^^^^^^^^^^^^ + | | + | dangling pointer created here + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:37:5 + | +LL | fn bindings_and_casts() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0u8; + | - `x` is part the function and will be dropped at the end of the function +LL | let x = &x as *const u8; + | -- dangling pointer created here +LL | x as *const u8 + | ^^^^^^^^^^^^^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:43:12 + | +LL | fn return_with_complex_cast() -> *mut u8 { + | ------- return type of the function is `*mut u8` +LL | let mut x = 0u8; + | ----- `x` is part the function and will be dropped at the end of the function +LL | return &mut x as *mut u8 as *const u8 as *mut u8; + | ------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | dangling pointer created here + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:49:5 + | +LL | fn with_block() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0; + | - `x` is part the function and will be dropped at the end of the function +LL | &{ x } + | ^^^^^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:57:13 + | +LL | fn with_many_blocks() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0; + | - `x` is part the function and will be dropped at the end of the function +... +LL | / &{ +LL | | +LL | | { x } +LL | | } + | |_____________^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:67:12 + | +LL | fn simple_return() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | let x = 0; + | - `x` is part the function and will be dropped at the end of the function +LL | return &x; + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:73:12 + | +LL | fn return_mut() -> *mut u8 { + | ------- return type of the function is `*mut u8` +LL | let mut x = 0; + | ----- `x` is part the function and will be dropped at the end of the function +LL | return &mut x; + | ^^^^^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:80:16 + | +LL | fn const_and_flow() -> *const u8 { + | --------- return type of the function is `*const u8` +LL | if false { +LL | let x = 8; + | - `x` is part the function and will be dropped at the end of the function +LL | return &x; + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:88:5 + | +LL | fn vector<T: Default>() -> *const Vec<T> { + | ------------- return type of the function is `*const Vec<T>` +LL | let x = vec![T::default()]; + | - `x` is part the function and will be dropped at the end of the function +LL | &x + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `Vec<T>` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:94:12 + | +LL | fn local_adt() -> *const Adt { + | ---------- return type of the function is `*const Adt` +LL | let x = Adt(5); + | - `x` is part the function and will be dropped at the end of the function +LL | return &x; + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `Adt` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:101:16 + | +LL | let _x = || -> *const u8 { + | --------- return type of the closure is `*const u8` +LL | let x = 8; + | - `x` is part the closure and will be dropped at the end of the closure +LL | return &x; + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `u8` will be deallocated at the end of the closure because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `x` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:113:5 + | +LL | fn fn_ptr() -> *const fn() -> u8 { + | ----------------- return type of the function is `*const fn() -> u8` +... +LL | let x = ret_u8 as fn() -> u8; + | - `x` is part the function and will be dropped at the end of the function +LL | &x + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `fn() -> u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `a` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:118:5 + | +LL | fn as_arg(a: Adt) -> *const Adt { + | - ---------- return type of the function is `*const Adt` + | | + | `a` is part the function and will be dropped at the end of the function +LL | &a + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `Adt` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `a` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:123:5 + | +LL | fn fn_ptr_as_arg(a: fn() -> u8) -> *const fn() -> u8 { + | - ----------------- return type of the function is `*const fn() -> u8` + | | + | `a` is part the function and will be dropped at the end of the function +LL | &a + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `fn() -> u8` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `a` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:128:5 + | +LL | fn ptr_as_arg(a: *const Adt) -> *const *const Adt { + | - ----------------- return type of the function is `*const *const Adt` + | | + | `a` is part the function and will be dropped at the end of the function +LL | &a + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `*const Adt` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: a dangling pointer will be produced because the local variable `a` will be dropped + --> $DIR/dangling-pointers-from-locals.rs:133:5 + | +LL | fn adt_as_arg(a: &Adt) -> *const &Adt { + | - ----------- return type of the function is `*const &Adt` + | | + | `a` is part the function and will be dropped at the end of the function +LL | &a + | ^^ + | + = note: pointers do not have a lifetime; after returning, the `&Adt` will be deallocated at the end of the function because nothing is referencing it as far as the type system is concerned + +warning: 19 warnings emitted + diff --git a/tests/ui/issues/issue-75704.rs b/tests/ui/loops/infinite-loop-simplify-cfg-75704.rs index 1672bf0b4c3..8bc5fba7a68 100644 --- a/tests/ui/issues/issue-75704.rs +++ b/tests/ui/loops/infinite-loop-simplify-cfg-75704.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/75704 // Caused an infinite loop during SimlifyCfg MIR transform previously. // //@ build-pass diff --git a/tests/ui/issues/issue-26093.rs b/tests/ui/macros/invalid-assignment-in-macro-26093.rs index c838515caf9..686a13a3eec 100644 --- a/tests/ui/issues/issue-26093.rs +++ b/tests/ui/macros/invalid-assignment-in-macro-26093.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/26093 macro_rules! not_a_place { ($thing:expr) => { $thing = 42; diff --git a/tests/ui/issues/issue-26093.stderr b/tests/ui/macros/invalid-assignment-in-macro-26093.stderr index 1a08d0fef41..99f188c7183 100644 --- a/tests/ui/issues/issue-26093.stderr +++ b/tests/ui/macros/invalid-assignment-in-macro-26093.stderr @@ -1,5 +1,5 @@ error[E0070]: invalid left-hand side of assignment - --> $DIR/issue-26093.rs:3:16 + --> $DIR/invalid-assignment-in-macro-26093.rs:4:16 | LL | $thing = 42; | ^ @@ -13,7 +13,7 @@ LL | not_a_place!(99); = note: this error originates in the macro `not_a_place` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0067]: invalid left-hand side of assignment - --> $DIR/issue-26093.rs:5:16 + --> $DIR/invalid-assignment-in-macro-26093.rs:6:16 | LL | $thing += 42; | ^^ diff --git a/tests/ui/issues/issue-19100.fixed b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.fixed index 1162490048c..40c92322519 100644 --- a/tests/ui/issues/issue-19100.fixed +++ b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.fixed @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/19100 //@ run-rustfix #![allow(non_snake_case)] diff --git a/tests/ui/issues/issue-19100.rs b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.rs index fefed0daa72..9ef6fd77b50 100644 --- a/tests/ui/issues/issue-19100.rs +++ b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/19100 //@ run-rustfix #![allow(non_snake_case)] diff --git a/tests/ui/issues/issue-19100.stderr b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.stderr index ebbf083b7de..7356a4a003b 100644 --- a/tests/ui/issues/issue-19100.stderr +++ b/tests/ui/match/unreachable-pattern-if-variant-not-imported-19100.stderr @@ -1,5 +1,5 @@ error[E0170]: pattern binding `Bar` is named the same as one of the variants of the type `Foo` - --> $DIR/issue-19100.rs:17:1 + --> $DIR/unreachable-pattern-if-variant-not-imported-19100.rs:18:1 | LL | Bar if true | ^^^ help: to match on the variant, qualify the path: `Foo::Bar` @@ -7,7 +7,7 @@ LL | Bar if true = note: `#[deny(bindings_with_variant_name)]` on by default error[E0170]: pattern binding `Baz` is named the same as one of the variants of the type `Foo` - --> $DIR/issue-19100.rs:21:1 + --> $DIR/unreachable-pattern-if-variant-not-imported-19100.rs:22:1 | LL | Baz if false | ^^^ help: to match on the variant, qualify the path: `Foo::Baz` diff --git a/tests/ui/issues/issue-22684.rs b/tests/ui/methods/trait-method-resolution-over-inherent-22684.rs index a5b042706ed..9f317b576e6 100644 --- a/tests/ui/issues/issue-22684.rs +++ b/tests/ui/methods/trait-method-resolution-over-inherent-22684.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/22684 mod foo { pub struct Foo; impl Foo { diff --git a/tests/ui/issues/issue-22684.stderr b/tests/ui/methods/trait-method-resolution-over-inherent-22684.stderr index e2ca54caeac..0ab7701fa9e 100644 --- a/tests/ui/issues/issue-22684.stderr +++ b/tests/ui/methods/trait-method-resolution-over-inherent-22684.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-22684.rs:17:17 + --> $DIR/trait-method-resolution-over-inherent-22684.rs:18:17 | LL | let _: () = foo::Foo.bar(); | -- ^^^^^^^^^^^^^^ expected `()`, found `bool` diff --git a/tests/ui/issues/issue-24352.rs b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.rs index 5c8246d179f..eb632398c62 100644 --- a/tests/ui/issues/issue-24352.rs +++ b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/24352 fn main() { 1.0f64 - 1.0; 1.0f64 - 1 //~ ERROR E0277 diff --git a/tests/ui/issues/issue-24352.stderr b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.stderr index 3e0f812b5c7..7dc1fa777fc 100644 --- a/tests/ui/issues/issue-24352.stderr +++ b/tests/ui/mismatched_types/float-integer-subtraction-error-24352.stderr @@ -1,5 +1,5 @@ error[E0277]: cannot subtract `{integer}` from `f64` - --> $DIR/issue-24352.rs:3:12 + --> $DIR/float-integer-subtraction-error-24352.rs:4:12 | LL | 1.0f64 - 1 | ^ no implementation for `f64 - {integer}` diff --git a/tests/ui/issues/issue-50585.rs b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.rs index ca2ece8d53b..4abef0bee81 100644 --- a/tests/ui/issues/issue-50585.rs +++ b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/50585 fn main() { |y: Vec<[(); for x in 0..2 {}]>| {}; //~^ ERROR mismatched types diff --git a/tests/ui/issues/issue-50585.stderr b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.stderr index 7e83ea35fbb..d60d97a02ab 100644 --- a/tests/ui/issues/issue-50585.stderr +++ b/tests/ui/mismatched_types/for-loop-in-vec-type-mismatchrs-50585.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-50585.rs:2:18 + --> $DIR/for-loop-in-vec-type-mismatchrs-50585.rs:3:18 | LL | |y: Vec<[(); for x in 0..2 {}]>| {}; | ^^^^^^^^^^^^^^^^ expected `usize`, found `()` diff --git a/tests/ui/issues/issue-48364.rs b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.rs index 14ee75e7c9c..13ba8b1e59c 100644 --- a/tests/ui/issues/issue-48364.rs +++ b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/48364 fn foo() -> bool { b"".starts_with(stringify!(foo)) //~^ ERROR mismatched types diff --git a/tests/ui/issues/issue-48364.stderr b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.stderr index 74bfa1e0693..bb767d50bb0 100644 --- a/tests/ui/issues/issue-48364.stderr +++ b/tests/ui/mismatched_types/starts-with-stringify-type-mismatch-48364.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/issue-48364.rs:2:21 + --> $DIR/starts-with-stringify-type-mismatch-48364.rs:3:21 | LL | b"".starts_with(stringify!(foo)) | ----------- ^^^^^^^^^^^^^^^ expected `&[u8]`, found `&str` diff --git a/tests/ui/missing/missing-items/missing-type-parameter2.rs b/tests/ui/missing/missing-items/missing-type-parameter2.rs index e9b32fb7198..772e60b1376 100644 --- a/tests/ui/missing/missing-items/missing-type-parameter2.rs +++ b/tests/ui/missing/missing-items/missing-type-parameter2.rs @@ -5,7 +5,7 @@ impl X<N> {} //~| ERROR unresolved item provided when a constant was expected impl<T, const A: u8 = 2> X<N> {} //~^ ERROR cannot find type `N` in this scope -//~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +//~| ERROR defaults for generic parameters are not allowed here //~| ERROR unresolved item provided when a constant was expected fn foo(_: T) where T: Send {} diff --git a/tests/ui/missing/missing-items/missing-type-parameter2.stderr b/tests/ui/missing/missing-items/missing-type-parameter2.stderr index f6418de20b6..3c132e769ea 100644 --- a/tests/ui/missing/missing-items/missing-type-parameter2.stderr +++ b/tests/ui/missing/missing-items/missing-type-parameter2.stderr @@ -103,7 +103,7 @@ help: if this generic argument was intended as a const parameter, surround it wi LL | impl X<{ N }> {} | + + -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/missing-type-parameter2.rs:6:9 | LL | impl<T, const A: u8 = 2> X<N> {} diff --git a/tests/ui/issues/issue-32797.rs b/tests/ui/modules/circular-module-imports-32797.rs index 470d661cb28..5a2f2990795 100644 --- a/tests/ui/issues/issue-32797.rs +++ b/tests/ui/modules/circular-module-imports-32797.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32797 //@ check-pass pub use bar::*; diff --git a/tests/ui/issues/issue-17385.rs b/tests/ui/moves/matching-partially-moved-value-17385.rs index 7400aadb059..c50fe048bfb 100644 --- a/tests/ui/issues/issue-17385.rs +++ b/tests/ui/moves/matching-partially-moved-value-17385.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/17385 struct X(isize); enum Enum { diff --git a/tests/ui/issues/issue-17385.stderr b/tests/ui/moves/matching-partially-moved-value-17385.stderr index 3c451a859e9..906f7868bcc 100644 --- a/tests/ui/issues/issue-17385.stderr +++ b/tests/ui/moves/matching-partially-moved-value-17385.stderr @@ -1,5 +1,5 @@ error[E0382]: use of moved value: `foo` - --> $DIR/issue-17385.rs:18:5 + --> $DIR/matching-partially-moved-value-17385.rs:19:5 | LL | let foo = X(1); | --- move occurs because `foo` has type `X`, which does not implement the `Copy` trait @@ -9,7 +9,7 @@ LL | match foo { | ^^^^^^^^^ value used here after move | note: if `X` implemented `Clone`, you could clone the value - --> $DIR/issue-17385.rs:1:1 + --> $DIR/matching-partially-moved-value-17385.rs:2:1 | LL | struct X(isize); | ^^^^^^^^ consider implementing `Clone` for this type @@ -18,7 +18,7 @@ LL | drop(foo); | --- you could clone this value error[E0382]: use of moved value: `e` - --> $DIR/issue-17385.rs:25:11 + --> $DIR/matching-partially-moved-value-17385.rs:26:11 | LL | let e = Enum::Variant2; | - move occurs because `e` has type `Enum`, which does not implement the `Copy` trait @@ -28,7 +28,7 @@ LL | match e { | ^ value used here after move | note: if `Enum` implemented `Clone`, you could clone the value - --> $DIR/issue-17385.rs:3:1 + --> $DIR/matching-partially-moved-value-17385.rs:4:1 | LL | enum Enum { | ^^^^^^^^^ consider implementing `Clone` for this type diff --git a/tests/ui/issues/issue-32805.rs b/tests/ui/numbers-arithmetic/f32-literal-rounding-32805.rs index 717c00a248a..59efdb9a1aa 100644 --- a/tests/ui/issues/issue-32805.rs +++ b/tests/ui/numbers-arithmetic/f32-literal-rounding-32805.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32805 //@ run-pass fn const_mir() -> f32 { 9007199791611905.0 } diff --git a/tests/ui/parser/attribute-on-empty.rs b/tests/ui/parser/attribute-on-empty.rs new file mode 100644 index 00000000000..5932377f73e --- /dev/null +++ b/tests/ui/parser/attribute-on-empty.rs @@ -0,0 +1,29 @@ +//! Regression test for: <https://github.com/rust-lang/rust/issues/144132> +//! <https://github.com/rust-lang/rust/issues/135017> + +struct Baz<const N: usize>(i32); + +fn main() { + let _: Baz<#[cfg(any())]> = todo!(); + //~^ ERROR attributes cannot be applied here +} + +fn f(_param: #[attr]) {} +//~^ ERROR attributes cannot be applied to a function parameter's type +//~| ERROR expected type, found `)` + +fn g() -> #[attr] { 0 } +//~^ ERROR attributes cannot be applied here + +struct S { + field: #[attr], + //~^ ERROR attributes cannot be applied here + field1: (#[attr], i32), + //~^ ERROR attributes cannot be applied here +} + +type Tuple = (#[attr], String); +//~^ ERROR attributes cannot be applied here + +impl #[attr] {} +//~^ ERROR attributes cannot be applied here diff --git a/tests/ui/parser/attribute-on-empty.stderr b/tests/ui/parser/attribute-on-empty.stderr new file mode 100644 index 00000000000..7c4806c8704 --- /dev/null +++ b/tests/ui/parser/attribute-on-empty.stderr @@ -0,0 +1,52 @@ +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:7:16 + | +LL | let _: Baz<#[cfg(any())]> = todo!(); + | - ^^^^^^^^^^^^^ attributes are not allowed here + | | + | while parsing the type for `_` + +error: attributes cannot be applied to a function parameter's type + --> $DIR/attribute-on-empty.rs:11:14 + | +LL | fn f(_param: #[attr]) {} + | ^^^^^^^ attributes are not allowed here + +error: expected type, found `)` + --> $DIR/attribute-on-empty.rs:11:21 + | +LL | fn f(_param: #[attr]) {} + | ^ expected type + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:15:11 + | +LL | fn g() -> #[attr] { 0 } + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:19:12 + | +LL | field: #[attr], + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:21:14 + | +LL | field1: (#[attr], i32), + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:25:15 + | +LL | type Tuple = (#[attr], String); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied here + --> $DIR/attribute-on-empty.rs:28:6 + | +LL | impl #[attr] {} + | ^^^^^^^ attributes are not allowed here + +error: aborting due to 8 previous errors + diff --git a/tests/ui/parser/attribute-on-type.fixed b/tests/ui/parser/attribute-on-type.fixed new file mode 100644 index 00000000000..5024bfdc2bc --- /dev/null +++ b/tests/ui/parser/attribute-on-type.fixed @@ -0,0 +1,58 @@ +//! Regression test for: <https://github.com/rust-lang/rust/issues/144132> +//! <https://github.com/rust-lang/rust/issues/135017> + +//@ run-rustfix + +#![allow(dead_code, unused_variables)] + +struct Foo<T>(T); +struct Bar<'a>(&'a i32); +struct Baz<const N: usize>(i32); + +fn main() { + let foo: Foo<i32> = Foo(2i32); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: &'static str = "123"; + //~^ ERROR attributes cannot be applied to types + + let _: Bar<'static> = Bar(&123); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Baz<42> = Baz(42); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Foo<String> = Foo(String::new()); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Bar<'static> = Bar(&456); + //~^ ERROR attributes cannot be applied to generic arguments + + let _generic: Box<i32> = Box::new(1); + //~^ ERROR attributes cannot be applied to generic arguments + + let _assignment: i32 = *Box::new(1); + //~^ ERROR attributes cannot be applied to types + + let _complex: Vec<String> = vec![]; + //~^ ERROR attributes cannot be applied to generic arguments + + let _nested: Box<Vec<u64>> = Box::new(vec![]); + //~^ ERROR attributes cannot be applied to generic arguments +} + +fn g() -> i32 { 0 } +//~^ ERROR attributes cannot be applied to types + +struct S { + field: i32, + //~^ ERROR attributes cannot be applied to types + field1: (i32, i32), + //~^ ERROR attributes cannot be applied to types +} + +type Tuple = (i32, String); +//~^ ERROR attributes cannot be applied to types + +impl S {} +//~^ ERROR attributes cannot be applied to types diff --git a/tests/ui/parser/attribute-on-type.rs b/tests/ui/parser/attribute-on-type.rs new file mode 100644 index 00000000000..196d322bdf8 --- /dev/null +++ b/tests/ui/parser/attribute-on-type.rs @@ -0,0 +1,58 @@ +//! Regression test for: <https://github.com/rust-lang/rust/issues/144132> +//! <https://github.com/rust-lang/rust/issues/135017> + +//@ run-rustfix + +#![allow(dead_code, unused_variables)] + +struct Foo<T>(T); +struct Bar<'a>(&'a i32); +struct Baz<const N: usize>(i32); + +fn main() { + let foo: Foo<#[cfg(not(wrong))] i32> = Foo(2i32); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: #[attr] &'static str = "123"; + //~^ ERROR attributes cannot be applied to types + + let _: Bar<#[cfg(any())] 'static> = Bar(&123); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Baz<#[cfg(any())] 42> = Baz(42); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Foo<#[cfg(not(wrong))]String> = Foo(String::new()); + //~^ ERROR attributes cannot be applied to generic arguments + + let _: Bar<#[cfg(any())] 'static> = Bar(&456); + //~^ ERROR attributes cannot be applied to generic arguments + + let _generic: Box<#[attr] i32> = Box::new(1); + //~^ ERROR attributes cannot be applied to generic arguments + + let _assignment: #[attr] i32 = *Box::new(1); + //~^ ERROR attributes cannot be applied to types + + let _complex: Vec<#[derive(Debug)] String> = vec![]; + //~^ ERROR attributes cannot be applied to generic arguments + + let _nested: Box<Vec<#[cfg(feature = "test")] u64>> = Box::new(vec![]); + //~^ ERROR attributes cannot be applied to generic arguments +} + +fn g() -> #[attr] i32 { 0 } +//~^ ERROR attributes cannot be applied to types + +struct S { + field: #[attr] i32, + //~^ ERROR attributes cannot be applied to types + field1: (#[attr] i32, i32), + //~^ ERROR attributes cannot be applied to types +} + +type Tuple = (#[attr] i32, String); +//~^ ERROR attributes cannot be applied to types + +impl #[attr] S {} +//~^ ERROR attributes cannot be applied to types diff --git a/tests/ui/parser/attribute-on-type.stderr b/tests/ui/parser/attribute-on-type.stderr new file mode 100644 index 00000000000..603c7e2be51 --- /dev/null +++ b/tests/ui/parser/attribute-on-type.stderr @@ -0,0 +1,92 @@ +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:13:18 + | +LL | let foo: Foo<#[cfg(not(wrong))] i32> = Foo(2i32); + | ^^^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:16:12 + | +LL | let _: #[attr] &'static str = "123"; + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:19:16 + | +LL | let _: Bar<#[cfg(any())] 'static> = Bar(&123); + | ^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:22:16 + | +LL | let _: Baz<#[cfg(any())] 42> = Baz(42); + | ^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:25:16 + | +LL | let _: Foo<#[cfg(not(wrong))]String> = Foo(String::new()); + | ^^^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:28:16 + | +LL | let _: Bar<#[cfg(any())] 'static> = Bar(&456); + | ^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:31:23 + | +LL | let _generic: Box<#[attr] i32> = Box::new(1); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:34:22 + | +LL | let _assignment: #[attr] i32 = *Box::new(1); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:37:23 + | +LL | let _complex: Vec<#[derive(Debug)] String> = vec![]; + | ^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to generic arguments + --> $DIR/attribute-on-type.rs:40:26 + | +LL | let _nested: Box<Vec<#[cfg(feature = "test")] u64>> = Box::new(vec![]); + | ^^^^^^^^^^^^^^^^^^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:44:11 + | +LL | fn g() -> #[attr] i32 { 0 } + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:48:12 + | +LL | field: #[attr] i32, + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:50:14 + | +LL | field1: (#[attr] i32, i32), + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:54:15 + | +LL | type Tuple = (#[attr] i32, String); + | ^^^^^^^ attributes are not allowed here + +error: attributes cannot be applied to types + --> $DIR/attribute-on-type.rs:57:6 + | +LL | impl #[attr] S {} + | ^^^^^^^ attributes are not allowed here + +error: aborting due to 15 previous errors + diff --git a/tests/ui/parser/issues/issue-103143.rs b/tests/ui/parser/issues/issue-103143.rs index a584274c405..90f10fc1a08 100644 --- a/tests/ui/parser/issues/issue-103143.rs +++ b/tests/ui/parser/issues/issue-103143.rs @@ -1,5 +1,5 @@ fn main() { x::<#[a]y::<z>> - //~^ ERROR invalid const generic expression + //~^ ERROR attributes cannot be applied to generic arguments //~| ERROR cannot find value `x` in this scope } diff --git a/tests/ui/parser/issues/issue-103143.stderr b/tests/ui/parser/issues/issue-103143.stderr index 4035c69afa7..168a2077396 100644 --- a/tests/ui/parser/issues/issue-103143.stderr +++ b/tests/ui/parser/issues/issue-103143.stderr @@ -1,13 +1,8 @@ -error: invalid const generic expression - --> $DIR/issue-103143.rs:2:13 +error: attributes cannot be applied to generic arguments + --> $DIR/issue-103143.rs:2:9 | LL | x::<#[a]y::<z>> - | ^^^^^^ - | -help: expressions must be enclosed in braces to be used as const generic arguments - | -LL | x::<#[a]{ y::<z> }> - | + + + | ^^^^ attributes are not allowed here error[E0425]: cannot find value `x` in this scope --> $DIR/issue-103143.rs:2:5 diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed index a851300a982..40028307a8c 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed @@ -1,7 +1,9 @@ // Regression test for issues #100790 and #106439. //@ run-rustfix -pub struct Example(#[allow(dead_code)] usize) +#![allow(dead_code)] + +pub struct Example(usize) where (): Sized; //~^^^ ERROR where clauses are not allowed before tuple struct bodies diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs index 10f435859f1..d8dbb4238d2 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs @@ -1,10 +1,12 @@ // Regression test for issues #100790 and #106439. //@ run-rustfix +#![allow(dead_code)] + pub struct Example where (): Sized, -(#[allow(dead_code)] usize); +(usize); //~^^^ ERROR where clauses are not allowed before tuple struct bodies struct _Demo diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr index ddbf237e866..66dadd9fd4c 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr @@ -1,23 +1,23 @@ error: where clauses are not allowed before tuple struct bodies - --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:5:1 + --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:7:1 | LL | pub struct Example | ------- while parsing this tuple struct LL | / where LL | | (): Sized, | |______________^ unexpected where clause -LL | (#[allow(dead_code)] usize); - | --------------------------- the struct body +LL | (usize); + | ------- the struct body | help: move the body before the where clause | -LL ~ pub struct Example(#[allow(dead_code)] usize) +LL ~ pub struct Example(usize) LL | where LL ~ (): Sized; | error: where clauses are not allowed before tuple struct bodies - --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:11:1 + --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:13:1 | LL | struct _Demo | ----- while parsing this tuple struct diff --git a/tests/ui/issues/issue-7519-match-unit-in-arg.rs b/tests/ui/pattern/unit-pattern-matching-in-function-argument-7519.rs index a7cea577b22..7bfa9ee6625 100644 --- a/tests/ui/issues/issue-7519-match-unit-in-arg.rs +++ b/tests/ui/pattern/unit-pattern-matching-in-function-argument-7519.rs @@ -2,6 +2,7 @@ /* #7519 ICE pattern matching unit in function argument +https://github.com/rust-lang/rust/issues/7519 */ fn foo(():()) { } diff --git a/tests/ui/issues/issue-3763.rs b/tests/ui/privacy/private-field-access-violation-3763.rs index 893009a2cd9..3fc2337086d 100644 --- a/tests/ui/issues/issue-3763.rs +++ b/tests/ui/privacy/private-field-access-violation-3763.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/3763 // Regression test for #3763 mod my_mod { diff --git a/tests/ui/issues/issue-3763.stderr b/tests/ui/privacy/private-field-access-violation-3763.stderr index d101e4c33ad..6ba83dc4d78 100644 --- a/tests/ui/issues/issue-3763.stderr +++ b/tests/ui/privacy/private-field-access-violation-3763.stderr @@ -1,17 +1,17 @@ error[E0616]: field `priv_field` of struct `MyStruct` is private - --> $DIR/issue-3763.rs:17:32 + --> $DIR/private-field-access-violation-3763.rs:18:32 | LL | let _woohoo = (&my_struct).priv_field; | ^^^^^^^^^^ private field error[E0616]: field `priv_field` of struct `MyStruct` is private - --> $DIR/issue-3763.rs:20:41 + --> $DIR/private-field-access-violation-3763.rs:21:41 | LL | let _woohoo = (Box::new(my_struct)).priv_field; | ^^^^^^^^^^ private field error[E0624]: method `happyfun` is private - --> $DIR/issue-3763.rs:23:18 + --> $DIR/private-field-access-violation-3763.rs:24:18 | LL | fn happyfun(&self) {} | ------------------ private method defined here @@ -20,7 +20,7 @@ LL | (&my_struct).happyfun(); | ^^^^^^^^ private method error[E0624]: method `happyfun` is private - --> $DIR/issue-3763.rs:25:27 + --> $DIR/private-field-access-violation-3763.rs:26:27 | LL | fn happyfun(&self) {} | ------------------ private method defined here @@ -29,7 +29,7 @@ LL | (Box::new(my_struct)).happyfun(); | ^^^^^^^^ private method error[E0616]: field `priv_field` of struct `MyStruct` is private - --> $DIR/issue-3763.rs:26:26 + --> $DIR/private-field-access-violation-3763.rs:27:26 | LL | let nope = my_struct.priv_field; | ^^^^^^^^^^ private field diff --git a/tests/ui/issues/issue-2281-part1.rs b/tests/ui/resolve/cannot-find-value-in-scope-22811.rs index 8340ade2239..fc07ae5e60e 100644 --- a/tests/ui/issues/issue-2281-part1.rs +++ b/tests/ui/resolve/cannot-find-value-in-scope-22811.rs @@ -1 +1,2 @@ +// https://github.com/rust-lang/rust/issues/22811 fn main() { println!("{}", foobar); } //~ ERROR cannot find value `foobar` in this scope diff --git a/tests/ui/issues/issue-2281-part1.stderr b/tests/ui/resolve/cannot-find-value-in-scope-22811.stderr index 47a1ef8cc02..529fd7e8f49 100644 --- a/tests/ui/issues/issue-2281-part1.stderr +++ b/tests/ui/resolve/cannot-find-value-in-scope-22811.stderr @@ -1,5 +1,5 @@ error[E0425]: cannot find value `foobar` in this scope - --> $DIR/issue-2281-part1.rs:1:28 + --> $DIR/cannot-find-value-in-scope-22811.rs:2:28 | LL | fn main() { println!("{}", foobar); } | ^^^^^^ not found in this scope diff --git a/tests/ui/issues/issue-33293.rs b/tests/ui/resolve/unresolved-module-error-33293.rs index 115ae3aad20..354f9914d44 100644 --- a/tests/ui/issues/issue-33293.rs +++ b/tests/ui/resolve/unresolved-module-error-33293.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/33293 fn main() { match 0 { aaa::bbb(_) => () diff --git a/tests/ui/issues/issue-33293.stderr b/tests/ui/resolve/unresolved-module-error-33293.stderr index a82813194d7..28528148387 100644 --- a/tests/ui/issues/issue-33293.stderr +++ b/tests/ui/resolve/unresolved-module-error-33293.stderr @@ -1,5 +1,5 @@ error[E0433]: failed to resolve: use of unresolved module or unlinked crate `aaa` - --> $DIR/issue-33293.rs:3:9 + --> $DIR/unresolved-module-error-33293.rs:4:9 | LL | aaa::bbb(_) => () | ^^^ use of unresolved module or unlinked crate `aaa` diff --git a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.rs b/tests/ui/structs/tuple-struct-field-naming-47073.rs index 6cd1f144359..6cf27e55c4b 100644 --- a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.rs +++ b/tests/ui/structs/tuple-struct-field-naming-47073.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/47073 type Guilty = bool; type FineDollars = u32; diff --git a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.stderr b/tests/ui/structs/tuple-struct-field-naming-47073.stderr index 0a6fe24d5e3..efbdaeca4ea 100644 --- a/tests/ui/issues/issue-47073-zero-padded-tuple-struct-indices.stderr +++ b/tests/ui/structs/tuple-struct-field-naming-47073.stderr @@ -1,5 +1,5 @@ error[E0609]: no field `00` on type `Verdict` - --> $DIR/issue-47073-zero-padded-tuple-struct-indices.rs:8:30 + --> $DIR/tuple-struct-field-naming-47073.rs:9:30 | LL | let _condemned = justice.00; | ^^ unknown field @@ -11,7 +11,7 @@ LL + let _condemned = justice.0; | error[E0609]: no field `001` on type `Verdict` - --> $DIR/issue-47073-zero-padded-tuple-struct-indices.rs:10:31 + --> $DIR/tuple-struct-field-naming-47073.rs:11:31 | LL | let _punishment = justice.001; | ^^^ unknown field diff --git a/tests/ui/issues/auxiliary/issue-9188.rs b/tests/ui/symbol-names/auxiliary/aux-9188.rs index 3bc5697a1a6..3bc5697a1a6 100644 --- a/tests/ui/issues/auxiliary/issue-9188.rs +++ b/tests/ui/symbol-names/auxiliary/aux-9188.rs diff --git a/tests/ui/symbol-names/same-symbol-name-for-inner-statics-9188.rs b/tests/ui/symbol-names/same-symbol-name-for-inner-statics-9188.rs new file mode 100644 index 00000000000..a1014bb813f --- /dev/null +++ b/tests/ui/symbol-names/same-symbol-name-for-inner-statics-9188.rs @@ -0,0 +1,11 @@ +// https://github.com/rust-lang/rust/issues/9188 +//@ run-pass +//@ aux-build:aux-9188.rs + +extern crate aux_9188 as lib; + +pub fn main() { + let a = lib::bar(); + let b = lib::foo::<isize>(); + assert_eq!(*a, *b); +} diff --git a/tests/ui/threads-sendsync/tcp-stress.rs b/tests/ui/threads-sendsync/tcp-stress.rs deleted file mode 100644 index b2f76a55fb9..00000000000 --- a/tests/ui/threads-sendsync/tcp-stress.rs +++ /dev/null @@ -1,64 +0,0 @@ -//@ run-pass -//@ ignore-android needs extra network permissions -//@ needs-threads -//@ ignore-netbsd system ulimit (Too many open files) -//@ ignore-openbsd system ulimit (Too many open files) - -use std::io::prelude::*; -use std::net::{TcpListener, TcpStream}; -use std::process; -use std::sync::mpsc::channel; -use std::thread::{self, Builder}; -use std::time::Duration; - -const TARGET_CNT: usize = 200; - -fn main() { - // This test has a chance to time out, try to not let it time out - thread::spawn(move || -> () { - thread::sleep(Duration::from_secs(30)); - process::exit(1); - }); - - let listener = TcpListener::bind("127.0.0.1:0").unwrap(); - let addr = listener.local_addr().unwrap(); - thread::spawn(move || -> () { - loop { - let mut stream = match listener.accept() { - Ok(stream) => stream.0, - Err(_) => continue, - }; - let _ = stream.read(&mut [0]); - let _ = stream.write(&[2]); - } - }); - - let (tx, rx) = channel(); - - let mut spawned_cnt = 0; - for _ in 0..TARGET_CNT { - let tx = tx.clone(); - let res = Builder::new().stack_size(64 * 1024).spawn(move || { - match TcpStream::connect(addr) { - Ok(mut stream) => { - let _ = stream.write(&[1]); - let _ = stream.read(&mut [0]); - } - Err(..) => {} - } - tx.send(()).unwrap(); - }); - if let Ok(_) = res { - spawned_cnt += 1; - }; - } - - // Wait for all clients to exit, but don't wait for the server to exit. The - // server just runs infinitely. - drop(tx); - for _ in 0..spawned_cnt { - rx.recv().unwrap(); - } - assert_eq!(spawned_cnt, TARGET_CNT); - process::exit(0); -} diff --git a/tests/ui/issues/issue-72839-error-overflow.rs b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.rs index 6562d228409..436657e3de5 100644 --- a/tests/ui/issues/issue-72839-error-overflow.rs +++ b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/72839 // Regression test for issue #72839 // Tests that we do not overflow during trait selection after // a type error occurs diff --git a/tests/ui/issues/issue-72839-error-overflow.stderr b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.stderr index 35be632f579..da7500f77e1 100644 --- a/tests/ui/issues/issue-72839-error-overflow.stderr +++ b/tests/ui/trait-bounds/trait-selection-overflow-prevention-72839.stderr @@ -1,5 +1,5 @@ error[E0425]: cannot find value `missing_var` in this scope - --> $DIR/issue-72839-error-overflow.rs:18:8 + --> $DIR/trait-selection-overflow-prevention-72839.rs:19:8 | LL | if missing_var % 8 == 0 {} | ^^^^^^^^^^^ not found in this scope diff --git a/tests/ui/issues/issue-47638.rs b/tests/ui/trait-objects/trait-object-lifetime-conversion-47638.rs index e5a51ce0c06..c70dc74f3e5 100644 --- a/tests/ui/issues/issue-47638.rs +++ b/tests/ui/trait-objects/trait-object-lifetime-conversion-47638.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/47638 //@ run-pass #![allow(unused_variables)] fn id<'c, 'b>(f: &'c &'b dyn Fn(&i32)) -> &'c &'b dyn Fn(&'static i32) { diff --git a/tests/ui/traits/const-traits/conditionally-const-in-anon-const.rs b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.rs new file mode 100644 index 00000000000..5aebcceb7c7 --- /dev/null +++ b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.rs @@ -0,0 +1,28 @@ +#![feature(const_trait_impl, impl_trait_in_bindings)] + +struct S; +#[const_trait] +trait Trait<const N: u32> {} + +impl const Trait<0> for () {} + +const fn f< + T: Trait< + { + const fn g<U: [const] Trait<0>>() {} + + struct I<U: [const] Trait<0>>(U); + //~^ ERROR `[const]` is not allowed here + + let x: &impl [const] Trait<0> = &(); + //~^ ERROR `[const]` is not allowed here + + 0 + }, + >, +>(x: &T) { + // Should be allowed here + let y: &impl [const] Trait<0> = x; +} + +pub fn main() {} diff --git a/tests/ui/traits/const-traits/conditionally-const-in-anon-const.stderr b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.stderr new file mode 100644 index 00000000000..c6be249b95a --- /dev/null +++ b/tests/ui/traits/const-traits/conditionally-const-in-anon-const.stderr @@ -0,0 +1,32 @@ +error: `[const]` is not allowed here + --> $DIR/conditionally-const-in-anon-const.rs:14:25 + | +LL | struct I<U: [const] Trait<0>>(U); + | ^^^^^^^ + | +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-in-anon-const.rs:14:13 + | +LL | struct I<U: [const] Trait<0>>(U); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `[const]` is not allowed here + --> $DIR/conditionally-const-in-anon-const.rs:17:26 + | +LL | let x: &impl [const] Trait<0> = &(); + | ^^^^^^^ + | +note: anonymous constants cannot have `[const]` trait bounds + --> $DIR/conditionally-const-in-anon-const.rs:11:9 + | +LL | / { +LL | | const fn g<U: [const] Trait<0>>() {} +LL | | +LL | | struct I<U: [const] Trait<0>>(U); +... | +LL | | 0 +LL | | }, + | |_________^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/traits/const-traits/conditionally-const-in-struct-args.rs b/tests/ui/traits/const-traits/conditionally-const-in-struct-args.rs deleted file mode 100644 index 0c644694585..00000000000 --- a/tests/ui/traits/const-traits/conditionally-const-in-struct-args.rs +++ /dev/null @@ -1,21 +0,0 @@ -//@ compile-flags: -Znext-solver -//@ known-bug: #132067 -//@ check-pass - -#![feature(const_trait_impl)] - -struct S; -#[const_trait] -trait Trait<const N: u32> {} - -const fn f< - T: Trait< - { - struct I<U: [const] Trait<0>>(U); - 0 - }, - >, ->() { -} - -pub fn main() {} diff --git a/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr b/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr index 010b1584643..5c3bb236967 100644 --- a/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr +++ b/tests/ui/traits/const-traits/conditionally-const-invalid-places.stderr @@ -16,7 +16,11 @@ error: `[const]` is not allowed here LL | struct Struct<T: [const] Trait> { field: T } | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:9:1 + | +LL | struct Struct<T: [const] Trait> { field: T } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:10:23 @@ -24,7 +28,11 @@ error: `[const]` is not allowed here LL | struct TupleStruct<T: [const] Trait>(T); | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:10:1 + | +LL | struct TupleStruct<T: [const] Trait>(T); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:11:22 @@ -32,7 +40,11 @@ error: `[const]` is not allowed here LL | struct UnitStruct<T: [const] Trait>; | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: structs cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:11:1 + | +LL | struct UnitStruct<T: [const] Trait>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:14:14 @@ -40,7 +52,11 @@ error: `[const]` is not allowed here LL | enum Enum<T: [const] Trait> { Variant(T) } | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: enums cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:14:1 + | +LL | enum Enum<T: [const] Trait> { Variant(T) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:16:16 @@ -48,7 +64,11 @@ error: `[const]` is not allowed here LL | union Union<T: [const] Trait> { field: T } | ^^^^^^^ | - = note: this item cannot have `[const]` trait bounds +note: unions cannot have `[const]` trait bounds + --> $DIR/conditionally-const-invalid-places.rs:16:1 + | +LL | union Union<T: [const] Trait> { field: T } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `[const]` is not allowed here --> $DIR/conditionally-const-invalid-places.rs:19:14 diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs b/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs new file mode 100644 index 00000000000..7a44920bb72 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-error.rs @@ -0,0 +1,24 @@ +#![allow(incomplete_features)] +#![feature(const_closures, const_trait_impl)] + +const fn create_array<const N: usize>(mut f: impl FnMut(usize) -> u32 + Copy) -> [u32; N] { + let mut array = [0; N]; + let mut i = 0; + loop { + array[i] = f(i); + //~^ ERROR the trait bound `impl FnMut(usize) -> u32 + Copy: [const] FnMut(usize)` is not satisfied [E0277] + i += 1; + if i == N { + break; + } + } + array +} + +fn main() { + let x = create_array(const |i| 2 * i as u32); + assert_eq!(x, [0, 2, 4, 6, 8]); + + let y = create_array(const |i| 2 * i as u32 + 1); + assert_eq!(y, [1, 3, 5, 7, 9]); +} diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr b/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr new file mode 100644 index 00000000000..1eadd1d8426 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-error.stderr @@ -0,0 +1,11 @@ +error[E0277]: the trait bound `impl FnMut(usize) -> u32 + Copy: [const] FnMut(usize)` is not satisfied + --> $DIR/const-closure-issue-125866-error.rs:8:22 + | +LL | array[i] = f(i); + | - ^ + | | + | required by a bound introduced by this call + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs b/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs new file mode 100644 index 00000000000..af7375172e6 --- /dev/null +++ b/tests/ui/traits/const-traits/const-closure-issue-125866-pass.rs @@ -0,0 +1,25 @@ +//@ check-pass + +#![allow(incomplete_features)] +#![feature(const_closures, const_trait_impl)] + +const fn create_array<const N: usize>(mut f: impl [const] FnMut(usize) -> u32 + Copy) -> [u32; N] { + let mut array = [0; N]; + let mut i = 0; + loop { + array[i] = f(i); + i += 1; + if i == N { + break; + } + } + array +} + +fn main() { + let x = create_array(const |i| 2 * i as u32); + assert_eq!(x, [0, 2, 4, 6, 8]); + + let y = create_array(const |i| 2 * i as u32 + 1); + assert_eq!(y, [1, 3, 5, 7, 9]); +} diff --git a/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs b/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs new file mode 100644 index 00000000000..09c89c9cecd --- /dev/null +++ b/tests/ui/traits/const-traits/const-fn-trait-bound-issue-104314.rs @@ -0,0 +1,13 @@ +//@ check-pass + +#![feature(const_trait_impl, const_destruct, const_clone)] + +use std::marker::Destruct; + +const fn f<T, F: [const] Fn(&T) -> T + [const] Destruct>(_: F) {} + +const fn g<T: [const] Clone>() { + f(<T as Clone>::clone); +} + +fn main() {} diff --git a/tests/ui/traits/const-traits/feature-gate.rs b/tests/ui/traits/const-traits/feature-gate.rs index 5ad56ddcd33..c2918f0249b 100644 --- a/tests/ui/traits/const-traits/feature-gate.rs +++ b/tests/ui/traits/const-traits/feature-gate.rs @@ -13,6 +13,9 @@ impl const T for S {} const fn f<A: [const] T>() {} //[stock]~ ERROR const trait impls are experimental fn g<A: const T>() {} //[stock]~ ERROR const trait impls are experimental +const trait Trait {} //[stock]~ ERROR const trait impls are experimental +#[cfg(false)] const trait Trait {} //[stock]~ ERROR const trait impls are experimental + macro_rules! discard { ($ty:ty) => {} } discard! { impl [const] T } //[stock]~ ERROR const trait impls are experimental diff --git a/tests/ui/traits/const-traits/feature-gate.stock.stderr b/tests/ui/traits/const-traits/feature-gate.stock.stderr index f3ba3039a23..551c7ced7c1 100644 --- a/tests/ui/traits/const-traits/feature-gate.stock.stderr +++ b/tests/ui/traits/const-traits/feature-gate.stock.stderr @@ -29,7 +29,27 @@ LL | fn g<A: const T>() {} = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: const trait impls are experimental - --> $DIR/feature-gate.rs:18:17 + --> $DIR/feature-gate.rs:16:1 + | +LL | const trait Trait {} + | ^^^^^ + | + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: const trait impls are experimental + --> $DIR/feature-gate.rs:17:15 + | +LL | #[cfg(false)] const trait Trait {} + | ^^^^^ + | + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: const trait impls are experimental + --> $DIR/feature-gate.rs:21:17 | LL | discard! { impl [const] T } | ^^^^^^^ @@ -39,7 +59,7 @@ LL | discard! { impl [const] T } = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: const trait impls are experimental - --> $DIR/feature-gate.rs:19:17 + --> $DIR/feature-gate.rs:22:17 | LL | discard! { impl const T } | ^^^^^ @@ -58,6 +78,6 @@ LL | #[const_trait] = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error: aborting due to 6 previous errors +error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/issues/issue-20413.rs b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs index 138a235e675..e8c27ff5cc8 100644 --- a/tests/ui/issues/issue-20413.rs +++ b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/20413 trait Foo { fn answer(self); } diff --git a/tests/ui/issues/issue-20413.stderr b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr index 42f3cd2d062..72aff1b9ee8 100644 --- a/tests/ui/issues/issue-20413.stderr +++ b/tests/ui/traits/trait-impl-overflow-with-where-clause-20413.stderr @@ -1,5 +1,5 @@ error[E0392]: type parameter `T` is never used - --> $DIR/issue-20413.rs:5:15 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:6:15 | LL | struct NoData<T>; | ^ unused type parameter @@ -8,14 +8,14 @@ LL | struct NoData<T>; = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead error[E0275]: overflow evaluating the requirement `NoData<NoData<NoData<NoData<NoData<NoData<NoData<...>>>>>>>: Foo` - --> $DIR/issue-20413.rs:8:36 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:9:36 | LL | impl<T> Foo for T where NoData<T>: Foo { | ^^^ | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`) + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) note: required for `NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<NoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Foo` - --> $DIR/issue-20413.rs:8:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:9:9 | LL | impl<T> Foo for T where NoData<T>: Foo { | ^^^ ^ --- unsatisfied trait bound introduced here @@ -23,19 +23,19 @@ LL | impl<T> Foo for T where NoData<T>: Foo { = note: required for `NoData<T>` to implement `Foo` error[E0275]: overflow evaluating the requirement `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<...>>>>>>>: Bar` - --> $DIR/issue-20413.rs:27:42 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:42 | LL | impl<T> Bar for T where EvenLessData<T>: Baz { | ^^^ | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`) + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Baz` - --> $DIR/issue-20413.rs:34:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:9 | LL | impl<T> Baz for T where AlmostNoData<T>: Bar { | ^^^ ^ --- unsatisfied trait bound introduced here note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Bar` - --> $DIR/issue-20413.rs:27:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:9 | LL | impl<T> Bar for T where EvenLessData<T>: Baz { | ^^^ ^ --- unsatisfied trait bound introduced here @@ -43,19 +43,19 @@ LL | impl<T> Bar for T where EvenLessData<T>: Baz { = note: required for `EvenLessData<T>` to implement `Baz` error[E0275]: overflow evaluating the requirement `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<...>>>>>>>: Baz` - --> $DIR/issue-20413.rs:34:42 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:42 | LL | impl<T> Baz for T where AlmostNoData<T>: Bar { | ^^^ | - = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_20413`) + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`trait_impl_overflow_with_where_clause_20413`) note: required for `AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Bar` - --> $DIR/issue-20413.rs:27:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:28:9 | LL | impl<T> Bar for T where EvenLessData<T>: Baz { | ^^^ ^ --- unsatisfied trait bound introduced here note: required for `EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<EvenLessData<AlmostNoData<T>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` to implement `Baz` - --> $DIR/issue-20413.rs:34:9 + --> $DIR/trait-impl-overflow-with-where-clause-20413.rs:35:9 | LL | impl<T> Baz for T where AlmostNoData<T>: Bar { | ^^^ ^ --- unsatisfied trait bound introduced here diff --git a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.rs b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.rs index 35402dff675..4b2081d14d0 100644 --- a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.rs +++ b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/51632 #![allow(dead_code)] fn missing_discourses() -> Result<isize, ()> { diff --git a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.stderr b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.stderr index 99fce1eeea6..c624605d76a 100644 --- a/tests/ui/issues/issue-51632-try-desugar-incompatible-types.stderr +++ b/tests/ui/try-trait/incompatible-types-with-question-mark-51632.stderr @@ -1,5 +1,5 @@ error[E0308]: `?` operator has incompatible types - --> $DIR/issue-51632-try-desugar-incompatible-types.rs:8:5 + --> $DIR/incompatible-types-with-question-mark-51632.rs:9:5 | LL | fn forbidden_narratives() -> Result<isize, ()> { | ----------------- expected `Result<isize, ()>` because of return type diff --git a/tests/ui/issues/issue-22434.rs b/tests/ui/type-alias/missing-associated-type-in-trait-object-22434.rs index d9f7b987c64..35b30374c15 100644 --- a/tests/ui/issues/issue-22434.rs +++ b/tests/ui/type-alias/missing-associated-type-in-trait-object-22434.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/22434 pub trait Foo { type A; } diff --git a/tests/ui/issues/issue-22434.stderr b/tests/ui/type-alias/missing-associated-type-in-trait-object-22434.stderr index 172ae386c3e..73afefa5a1f 100644 --- a/tests/ui/issues/issue-22434.stderr +++ b/tests/ui/type-alias/missing-associated-type-in-trait-object-22434.stderr @@ -1,5 +1,5 @@ error[E0191]: the value of the associated type `A` in `Foo` must be specified - --> $DIR/issue-22434.rs:5:23 + --> $DIR/missing-associated-type-in-trait-object-22434.rs:6:23 | LL | type A; | ------ `A` defined here diff --git a/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr b/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr index bf8829c0925..e8bbdaaacbf 100644 --- a/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr +++ b/tests/ui/type-inference/unbounded-type-param-in-fn-with-assoc-type.stderr @@ -13,7 +13,7 @@ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0282`. Future incompatibility report: Future breakage diagnostic: -warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +warning: defaults for generic parameters are not allowed here --> $DIR/unbounded-type-param-in-fn-with-assoc-type.rs:3:11 | LL | fn foo<T, U = u64>() -> (T, U) { diff --git a/tests/ui/type/default_type_parameter_in_fn_or_impl.rs b/tests/ui/type/default_type_parameter_in_fn_or_impl.rs deleted file mode 100644 index 33038e24bc6..00000000000 --- a/tests/ui/type/default_type_parameter_in_fn_or_impl.rs +++ /dev/null @@ -1,12 +0,0 @@ -#![allow(unused)] - -fn avg<T=i32>(_: T) {} -//~^ ERROR defaults for type parameters are only allowed -//~| WARN this was previously accepted - -struct S<T>(T); -impl<T=i32> S<T> {} -//~^ ERROR defaults for type parameters are only allowed -//~| WARN this was previously accepted - -fn main() {} diff --git a/tests/ui/type/default_type_parameter_in_fn_or_impl.stderr b/tests/ui/type/default_type_parameter_in_fn_or_impl.stderr deleted file mode 100644 index a3205cd3c29..00000000000 --- a/tests/ui/type/default_type_parameter_in_fn_or_impl.stderr +++ /dev/null @@ -1,43 +0,0 @@ -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:3:8 - | -LL | fn avg<T=i32>(_: T) {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:8:6 - | -LL | impl<T=i32> S<T> {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - -error: aborting due to 2 previous errors - -Future incompatibility report: Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:3:8 - | -LL | fn avg<T=i32>(_: T) {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - -Future breakage diagnostic: -error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/default_type_parameter_in_fn_or_impl.rs:8:6 - | -LL | impl<T=i32> S<T> {} - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> - = note: `#[deny(invalid_type_param_default)]` on by default - diff --git a/tests/ui/issues/issue-48276.rs b/tests/ui/typeck/incorrect-self-type-in-trait-impl-48276.rs index f55c056fa67..1cff2078755 100644 --- a/tests/ui/issues/issue-48276.rs +++ b/tests/ui/typeck/incorrect-self-type-in-trait-impl-48276.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/48276 // Regression test for issue #48276 - ICE when self type does not match what is // required by a trait and regions are involved. diff --git a/tests/ui/issues/issue-48276.stderr b/tests/ui/typeck/incorrect-self-type-in-trait-impl-48276.stderr index 370905ee0df..124dc459237 100644 --- a/tests/ui/issues/issue-48276.stderr +++ b/tests/ui/typeck/incorrect-self-type-in-trait-impl-48276.stderr @@ -1,5 +1,5 @@ error[E0185]: method `from` has a `&self` declaration in the impl, but not in the trait - --> $DIR/issue-48276.rs:11:5 + --> $DIR/incorrect-self-type-in-trait-impl-48276.rs:12:5 | LL | fn from(a: A) -> Self; | ---------------------- trait method declared without `&self` @@ -8,7 +8,7 @@ LL | fn from(self: &'a Self) -> &'b str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&self` used in impl error[E0185]: method `from` has a `&self` declaration in the impl, but not in the trait - --> $DIR/issue-48276.rs:20:5 + --> $DIR/incorrect-self-type-in-trait-impl-48276.rs:21:5 | LL | fn from(&self) -> B { | ^^^^^^^^^^^^^^^^^^^ `&self` used in impl @@ -16,7 +16,7 @@ LL | fn from(&self) -> B { = note: `from` from trait: `fn(T) -> Self` error[E0185]: method `from` has a `&self` declaration in the impl, but not in the trait - --> $DIR/issue-48276.rs:27:5 + --> $DIR/incorrect-self-type-in-trait-impl-48276.rs:28:5 | LL | fn from(&self) -> &'static str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&self` used in impl diff --git a/tests/ui/issues/issue-32995-2.rs b/tests/ui/typeck/parenthesized-type-parameters-error-32995.rs index e713a64d3f5..e0c2ab5f303 100644 --- a/tests/ui/issues/issue-32995-2.rs +++ b/tests/ui/typeck/parenthesized-type-parameters-error-32995.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/32995 fn main() { { fn f<X: ::std::marker()::Send>() {} } //~^ ERROR parenthesized type parameters may only be used with a `Fn` trait diff --git a/tests/ui/issues/issue-32995-2.stderr b/tests/ui/typeck/parenthesized-type-parameters-error-32995.stderr index 6c2d772a233..590cdcdb43b 100644 --- a/tests/ui/issues/issue-32995-2.stderr +++ b/tests/ui/typeck/parenthesized-type-parameters-error-32995.stderr @@ -1,17 +1,17 @@ error[E0214]: parenthesized type parameters may only be used with a `Fn` trait - --> $DIR/issue-32995-2.rs:2:22 + --> $DIR/parenthesized-type-parameters-error-32995.rs:3:22 | LL | { fn f<X: ::std::marker()::Send>() {} } | ^^^^^^^^ only `Fn` traits may use parentheses error[E0214]: parenthesized type parameters may only be used with a `Fn` trait - --> $DIR/issue-32995-2.rs:5:29 + --> $DIR/parenthesized-type-parameters-error-32995.rs:6:29 | LL | { fn f() -> impl ::std::marker()::Send { } } | ^^^^^^^^ only `Fn` traits may use parentheses error[E0214]: parenthesized type parameters may only be used with a `Fn` trait - --> $DIR/issue-32995-2.rs:12:13 + --> $DIR/parenthesized-type-parameters-error-32995.rs:13:13 | LL | impl ::std::marker()::Copy for X {} | ^^^^^^^^ only `Fn` traits may use parentheses diff --git a/tests/ui/issues/issue-18685.rs b/tests/ui/unboxed-closures/self-param-space-conflict-in-unboxed-closure-18685.rs index 3dab341f615..38cf26c2777 100644 --- a/tests/ui/issues/issue-18685.rs +++ b/tests/ui/unboxed-closures/self-param-space-conflict-in-unboxed-closure-18685.rs @@ -1,8 +1,8 @@ +// https://github.com/rust-lang/rust/issues/18685 //@ run-pass // Test that the self param space is not used in a conflicting // manner by unboxed closures within a default method on a trait - trait Tr { fn foo(&self); diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs index ad7d972879f..072a699a6b5 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs @@ -4,7 +4,7 @@ trait Trait<const N: dyn Trait = bar> { fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { //~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters //~| ERROR expected value, found builtin type `u32` - //~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + //~| ERROR defaults for generic parameters are not allowed here bar //~^ ERROR cannot find value `bar` in this scope } diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr index dc5a1cf3485..47f3e83fae2 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr @@ -39,7 +39,7 @@ LL | trait Trait<const N: dyn Trait = bar> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions +error: defaults for generic parameters are not allowed here --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:4:12 | LL | fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { |