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modify error comment and bless test, delete tests/ui/const-generics/generic_const_exprs/lit_type_mismatch.rs

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reddevilmidzy
2026-02-10 16:01:13 +00:00
parent 8af02e230a
commit b4ee9953d8
22 changed files with 159 additions and 138 deletions
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tests/crashes/133966.rs
-3
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@@ -1,3 +0,0 @@
//@ known-bug: #133966
pub struct Data([[&'static str]; 5_i32]);
const _: &'static Data = unsafe { &*(&[] as *const Data) };
tests/ui/const-generics/adt_const_params/byte-string-u8-validation.rs
+2
View File
@@ -9,10 +9,12 @@
//~^ ERROR rustc_dump_predicates
//~| NOTE Binder { value: ConstArgHasType(T/#0, &'static [*mut u8; 3_usize]), bound_vars: [] }
//~| NOTE Binder { value: TraitPredicate(<ConstBytes<b"AAA"> as std::marker::Sized>, polarity:Positive), bound_vars: [] }
where
ConstBytes<b"AAA">: Sized;
//~^ ERROR mismatched types
//~| NOTE expected `&[*mut u8; 3]`, found `&[u8; 3]`
//~| NOTE expected reference `&'static [*mut u8; 3]`
//~| NOTE found reference `&'static [u8; 3]`
fn main() {}
tests/ui/const-generics/adt_const_params/byte-string-u8-validation.stderr
+1 -1
View File
@@ -1,5 +1,5 @@
error[E0308]: mismatched types
--> $DIR/byte-string-u8-validation.rs:13:16
--> $DIR/byte-string-u8-validation.rs:14:16
|
LL | ConstBytes<b"AAA">: Sized;
| ^^^^^^ expected `&[*mut u8; 3]`, found `&[u8; 3]`
tests/ui/const-generics/generic_const_exprs/issue-105257.rs
+3 -3
View File
@@ -2,9 +2,9 @@
#![expect(incomplete_features)]
trait Trait<T> {
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 generic parameters are not allowed here
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 generic parameters are not allowed here
}
fn main() {}
tests/ui/const-generics/generic_const_exprs/lit_type_mismatch.rs
-22
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@@ -1,22 +0,0 @@
//! ICE regression test for #114317 and #126182
//! Type mismatches of literals cause errors int typeck,
//! but those errors cannot be propagated to the various
//! `lit_to_const` call sites. Now `lit_to_const` just delays
//! a bug and produces an error constant on its own.
#![feature(adt_const_params)]
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]
struct A<const B: () = 1, C>(C);
//~^ ERROR: generic parameters with a default must be trailing
//~| ERROR: mismatched types
struct Cond<const B: bool>;
struct Thing<T = Cond<0>>(T);
//~^ ERROR: mismatched types
impl Thing {}
fn main() {}
tests/ui/const-generics/generic_const_exprs/lit_type_mismatch.stderr
-21
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@@ -1,21 +0,0 @@
error: generic parameters with a default must be trailing
--> $DIR/lit_type_mismatch.rs:11:16
|
LL | struct A<const B: () = 1, C>(C);
| ^
error[E0308]: mismatched types
--> $DIR/lit_type_mismatch.rs:11:24
|
LL | struct A<const B: () = 1, C>(C);
| ^ expected `()`, found integer
error[E0308]: mismatched types
--> $DIR/lit_type_mismatch.rs:17:23
|
LL | struct Thing<T = Cond<0>>(T);
| ^ expected `bool`, found integer
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0308`.
tests/ui/const-generics/mgca/generic_const_type_mismatch.rs
+3 -4
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@@ -1,6 +1,7 @@
//! Regression test for <https://github.com/rust-lang/rust/issues/150983>
#![expect(incomplete_features)]
#![feature(
adt_const_params,
generic_const_items,
generic_const_parameter_types,
min_generic_const_args,
@@ -12,9 +13,7 @@ struct Foo<T> {
field: T,
}
#[type_const]
const WRAP<T : ConstParamTy_> : T = {
Foo::<T>{field : 1} //~ ERROR: type annotations needed for the literal
};
type const WRAP<T : ConstParamTy_> : T = Foo::<T>{field : 1};
//~^ ERROR: type annotations needed for the literal
fn main() {}
tests/ui/const-generics/mgca/generic_const_type_mismatch.stderr
+3 -3
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@@ -1,8 +1,8 @@
error: type annotations needed for the literal
--> $DIR/generic_const_type_mismatch.rs:17:22
--> $DIR/generic_const_type_mismatch.rs:16:59
|
LL | Foo::<T>{field : 1}
| ^
LL | type const WRAP<T : ConstParamTy_> : T = Foo::<T>{field : 1};
| ^
error: aborting due to 1 previous error
tests/ui/const-generics/mgca/tuple_expr_type_mismatch.rs
+2 -4
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@@ -12,11 +12,9 @@ fn qux<const Z: (char, i32)>() {}
fn main() {
foo::<{ (1, true) }>();
//~^ ERROR: type annotations needed for the literal
//~| ERROR: mismatched types: expected `i32`, found `bool`
bar::<{ (1_u32, [1, 2]) }>();
//~^ ERROR: expected `i32`, found const array
//~| ERROR: mismatched types: expected `[u8; 2]`, found `u32`
qux::<{ (1i32, 'a') }>();
//~^ ERROR: mismatched types: expected `char`, found `i32`
//~| ERROR: mismatched types: expected `i32`, found `char`
//~^ ERROR: the constant `1` is not of type `char`
//~| ERROR: the constant `'a'` is not of type `i32
}
tests/ui/const-generics/mgca/tuple_expr_type_mismatch.stderr
+8 -20
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@@ -4,35 +4,23 @@ error: type annotations needed for the literal
LL | foo::<{ (1, true) }>();
| ^
error: mismatched types: expected `i32`, found `bool`
--> $DIR/tuple_expr_type_mismatch.rs:13:17
|
LL | foo::<{ (1, true) }>();
| ^^^^
error: mismatched types: expected `[u8; 2]`, found `u32`
--> $DIR/tuple_expr_type_mismatch.rs:16:14
|
LL | bar::<{ (1_u32, [1, 2]) }>();
| ^^^^^
error: expected `i32`, found const array
--> $DIR/tuple_expr_type_mismatch.rs:16:21
--> $DIR/tuple_expr_type_mismatch.rs:15:21
|
LL | bar::<{ (1_u32, [1, 2]) }>();
| ^^^^^^
error: mismatched types: expected `char`, found `i32`
--> $DIR/tuple_expr_type_mismatch.rs:19:14
error: the constant `1` is not of type `char`
--> $DIR/tuple_expr_type_mismatch.rs:17:13
|
LL | qux::<{ (1i32, 'a') }>();
| ^^^^
| ^^^^^^^^^^^ expected `char`, found `i32`
error: mismatched types: expected `i32`, found `char`
--> $DIR/tuple_expr_type_mismatch.rs:19:20
error: the constant `'a'` is not of type `i32`
--> $DIR/tuple_expr_type_mismatch.rs:17:13
|
LL | qux::<{ (1i32, 'a') }>();
| ^^^
| ^^^^^^^^^^^ expected `i32`, found `char`
error: aborting due to 6 previous errors
error: aborting due to 4 previous errors
tests/ui/const-generics/mgca/type_const-mismatched-types.rs
+3 -1
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@@ -2,9 +2,11 @@
#![feature(min_generic_const_args)]
type const FREE: u32 = 5_usize;
//~^ ERROR mismatched types
//~^ ERROR the constant `5` is not of type `u32`
//~| ERROR mismatched types
type const FREE2: isize = FREE;
//~^ ERROR the constant `5` is not of type `isize`
trait Tr {
type const N: usize;
tests/ui/const-generics/mgca/type_const-mismatched-types.stderr
+19 -7
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@@ -1,3 +1,21 @@
error: the constant `5` is not of type `u32`
--> $DIR/type_const-mismatched-types.rs:4:1
|
LL | type const FREE: u32 = 5_usize;
| ^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `usize`
error: the constant `5` is not of type `isize`
--> $DIR/type_const-mismatched-types.rs:8:1
|
LL | type const FREE2: isize = FREE;
| ^^^^^^^^^^^^^^^^^^^^^^^ expected `isize`, found `usize`
error[E0308]: mismatched types
--> $DIR/type_const-mismatched-types.rs:16:27
|
LL | type const N: usize = false;
| ^^^^^ expected `usize`, found `bool`
error[E0308]: mismatched types
--> $DIR/type_const-mismatched-types.rs:4:24
|
@@ -10,12 +28,6 @@ LL - type const FREE: u32 = 5_usize;
LL + type const FREE: u32 = 5_u32;
|
error[E0308]: mismatched types
--> $DIR/type_const-mismatched-types.rs:18:22
|
LL | type const N: usize = false;
| ^^^^^ expected `usize`, found `bool`
error: aborting due to 2 previous errors
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0308`.
tests/ui/const-generics/min_const_generics/invalid-patterns.32bit.stderr
+2 -2
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@@ -22,7 +22,7 @@ error[E0308]: mismatched types
LL | get_flag::<42, 0x5ad>();
| ^^^^^ expected `char`, found `u8`
error[E0080]: reading memory at ALLOC6[0x0..0x4], but memory is uninitialized at [0x1..0x4], and this operation requires initialized memory
error[E0080]: reading memory at ALLOC0[0x0..0x4], but memory is uninitialized at [0x1..0x4], and this operation requires initialized memory
--> $DIR/invalid-patterns.rs:40:32
|
LL | get_flag::<false, { unsafe { char_raw.character } }>();
@@ -54,7 +54,7 @@ LL | get_flag::<{ unsafe { bool_raw.boolean } }, { unsafe { char_raw.character
42 │ B
}
error[E0080]: reading memory at ALLOC12[0x0..0x4], but memory is uninitialized at [0x1..0x4], and this operation requires initialized memory
error[E0080]: reading memory at ALLOC1[0x0..0x4], but memory is uninitialized at [0x1..0x4], and this operation requires initialized memory
--> $DIR/invalid-patterns.rs:44:58
|
LL | get_flag::<{ unsafe { bool_raw.boolean } }, { unsafe { char_raw.character } }>();
tests/ui/const-generics/type-dependent/type-mismatch.full.stderr
+13 -1
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@@ -1,3 +1,15 @@
error: the constant `1` is not of type `u8`
--> $DIR/type-mismatch.rs:8:27
|
LL | assert_eq!(R.method::<1u16>(), 1);
| ^^^^ expected `u8`, found `u16`
|
note: required by a const generic parameter in `R::method`
--> $DIR/type-mismatch.rs:5:15
|
LL | fn method<const N: u8>(&self) -> u8 { N }
| ^^^^^^^^^^^ required by this const generic parameter in `R::method`
error[E0308]: mismatched types
--> $DIR/type-mismatch.rs:8:27
|
@@ -10,6 +22,6 @@ LL - assert_eq!(R.method::<1u16>(), 1);
LL + assert_eq!(R.method::<1u8>(), 1);
|
error: aborting due to 1 previous error
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.
tests/ui/const-generics/type-dependent/type-mismatch.min.stderr
+13 -1
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@@ -1,3 +1,15 @@
error: the constant `1` is not of type `u8`
--> $DIR/type-mismatch.rs:8:27
|
LL | assert_eq!(R.method::<1u16>(), 1);
| ^^^^ expected `u8`, found `u16`
|
note: required by a const generic parameter in `R::method`
--> $DIR/type-mismatch.rs:5:15
|
LL | fn method<const N: u8>(&self) -> u8 { N }
| ^^^^^^^^^^^ required by this const generic parameter in `R::method`
error[E0308]: mismatched types
--> $DIR/type-mismatch.rs:8:27
|
@@ -10,6 +22,6 @@ LL - assert_eq!(R.method::<1u16>(), 1);
LL + assert_eq!(R.method::<1u8>(), 1);
|
error: aborting due to 1 previous error
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0308`.
tests/ui/const-generics/type-dependent/type-mismatch.rs
+2 -1
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@@ -6,5 +6,6 @@ fn method<const N: u8>(&self) -> u8 { N }
}
fn main() {
assert_eq!(R.method::<1u16>(), 1);
//~^ ERROR mismatched types
//~^ ERROR the constant `1` is not of type `u8`
//~| ERROR mismatched types
}
tests/ui/consts/const-eval/array-len-mismatch-type.rs
+8
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@@ -0,0 +1,8 @@
//! Regression test for <https://github.com/rust-lang/rust/issues/133966>
pub struct Data([[&'static str]; 5_i32]);
//~^ ERROR the constant `5` is not of type `usize`
//~| ERROR the size for values of type `[&'static str]` cannot be known at compilation time
//~| ERROR mismatched types
const _: &'static Data = unsafe { &*(&[] as *const Data) };
//~^ ERROR the type `[[&str]; 5]` has an unknown layout
fn main() {}
tests/ui/consts/const-eval/array-len-mismatch-type.stderr
+39
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@@ -0,0 +1,39 @@
error: the constant `5` is not of type `usize`
--> $DIR/array-len-mismatch-type.rs:2:17
|
LL | pub struct Data([[&'static str]; 5_i32]);
| ^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `i32`
|
= note: the length of array `[[&'static str]; 5]` must be type `usize`
error[E0277]: the size for values of type `[&'static str]` cannot be known at compilation time
--> $DIR/array-len-mismatch-type.rs:2:17
|
LL | pub struct Data([[&'static str]; 5_i32]);
| ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `[&'static str]`
= note: slice and array elements must have `Sized` type
error[E0080]: the type `[[&str]; 5]` has an unknown layout
--> $DIR/array-len-mismatch-type.rs:6:39
|
LL | const _: &'static Data = unsafe { &*(&[] as *const Data) };
| ^^ evaluation of `_` failed here
error[E0308]: mismatched types
--> $DIR/array-len-mismatch-type.rs:2:34
|
LL | pub struct Data([[&'static str]; 5_i32]);
| ^^^^^ expected `usize`, found `i32`
|
help: change the type of the numeric literal from `i32` to `usize`
|
LL - pub struct Data([[&'static str]; 5_i32]);
LL + pub struct Data([[&'static str]; 5_usize]);
|
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0080, E0277, E0308.
For more information about an error, try `rustc --explain E0080`.
tests/ui/issues/issue-34373.rs
+3 -3
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@@ -4,9 +4,9 @@ trait Trait<T> {
fn foo(_: T) {}
}
pub struct Foo<T = Box<dyn Trait<DefaultFoo>>>; //~ ERROR cycle detected
//~^ ERROR `T` is never used
//~| ERROR cycle detected
pub struct Foo<T = Box<dyn Trait<DefaultFoo>>>;
//~^ ERROR cycle detected when computing type of `Foo::T`
//~| ERROR type parameter `T` is never used
type DefaultFoo = Foo;
fn main() {
tests/ui/issues/issue-34373.stderr
+1 -20
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@@ -1,22 +1,3 @@
error[E0391]: cycle detected when computing type of `Foo::T`
--> $DIR/issue-34373.rs:7:34
|
LL | pub struct Foo<T = Box<dyn Trait<DefaultFoo>>>;
| ^^^^^^^^^^
|
note: ...which requires expanding type alias `DefaultFoo`...
--> $DIR/issue-34373.rs:10:1
|
LL | type DefaultFoo = Foo;
| ^^^^^^^^^^^^^^^
= note: ...which again requires computing type of `Foo::T`, completing the cycle
note: cycle used when checking that `Foo` is well-formed
--> $DIR/issue-34373.rs:7:1
|
LL | pub struct Foo<T = Box<dyn Trait<DefaultFoo>>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= 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[E0391]: cycle detected when computing type of `Foo::T`
--> $DIR/issue-34373.rs:7:34
|
@@ -45,7 +26,7 @@ LL | pub struct Foo<T = Box<dyn Trait<DefaultFoo>>>;
= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
error: aborting due to 3 previous errors
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0391, E0392.
For more information about an error, try `rustc --explain E0391`.
tests/ui/repeat-expr/repeat_count.rs
+12 -7
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@@ -21,16 +21,21 @@ fn main() {
let f = [0; -4_isize];
//~^ ERROR mismatched types
//~| NOTE expected `usize`, found `isize`
let f = [0_usize; -1_isize];
//~| NOTE `-4_isize` cannot fit into type `usize`
let g = [0_usize; -1_isize];
//~^ ERROR mismatched types
//~| NOTE expected `usize`, found `isize`
let f = [0; 4u8];
//~^ ERROR mismatched types
//~| NOTE `-1_isize` cannot fit into type `usize`
let h = [0; 4u8];
//~^ ERROR the constant `4` is not of type `usize`
//~| NOTE expected `usize`, found `u8`
struct G {
g: (),
//~| NOTE the length of array `[{integer}; 4]` must be type `usize`
//~| ERROR mismatched types
//~| NOTE expected `usize`, found `u8`
struct I {
i: (),
}
let g = [0; G { g: () }];
let i = [0; I { i: () }];
//~^ ERROR mismatched types
//~| NOTE expected `usize`, found `G`
//~| NOTE expected `usize`, found `I`
}
tests/ui/repeat-expr/repeat_count.stderr
+22 -14
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@@ -43,32 +43,40 @@ LL | let f = [0; -4_isize];
= note: `-4_isize` cannot fit into type `usize`
error[E0308]: mismatched types
--> $DIR/repeat_count.rs:24:23
--> $DIR/repeat_count.rs:25:23
|
LL | let f = [0_usize; -1_isize];
LL | let g = [0_usize; -1_isize];
| ^^^^^^^^ expected `usize`, found `isize`
|
= note: `-1_isize` cannot fit into type `usize`
error[E0308]: mismatched types
--> $DIR/repeat_count.rs:27:17
error: the constant `4` is not of type `usize`
--> $DIR/repeat_count.rs:29:13
|
LL | let f = [0; 4u8];
LL | let h = [0; 4u8];
| ^^^^^^^^ expected `usize`, found `u8`
|
= note: the length of array `[{integer}; 4]` must be type `usize`
error[E0308]: mismatched types
--> $DIR/repeat_count.rs:38:17
|
LL | let i = [0; I { i: () }];
| ^^^^^^^^^^^ expected `usize`, found `I`
error[E0308]: mismatched types
--> $DIR/repeat_count.rs:29:17
|
LL | let h = [0; 4u8];
| ^^^ expected `usize`, found `u8`
|
help: change the type of the numeric literal from `u8` to `usize`
|
LL - let f = [0; 4u8];
LL + let f = [0; 4usize];
LL - let h = [0; 4u8];
LL + let h = [0; 4usize];
|
error[E0308]: mismatched types
--> $DIR/repeat_count.rs:33:17
|
LL | let g = [0; G { g: () }];
| ^^^^^^^^^^^ expected `usize`, found `G`
error: aborting due to 9 previous errors
error: aborting due to 10 previous errors
Some errors have detailed explanations: E0308, E0435.
For more information about an error, try `rustc --explain E0308`.