diff options
Diffstat (limited to 'tests')
4 files changed, 85 insertions, 26 deletions
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 |