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add test for https://github.com/rust-lang/rust/issues/119731

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Fixes #119731
This commit is contained in:
Matthias Krüger 2024-03-24 10:01:50 +01:00
parent 548e14b439
commit 127c36c794
2 changed files with 131 additions and 0 deletions
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39
tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.rs Normal file
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@ -0,0 +1,39 @@
// rust-lang/rust#119731
// ICE ... unevaluated constant UnevaluatedConst
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]
mod v20 {
const v4: usize = 512;
pub type v11 = [[usize; v4]; v4];
//~^ WARN type `v11` should have an upper camel case name
const v2: v11 = [[256; v4]; v4];
const v0: [[usize; v4]; v4] = v6(v8);
//~^ ERROR cannot find value `v8` in this scope
//~| ERROR cannot find function `v6` in this scope
pub struct v17<const v10: usize, const v7: v11> {
//~^ WARN type `v17` should have an upper camel case name
//~| ERROR `[[usize; v4]; v4]` is forbidden as the type of a const generic parameter
_p: (),
}
impl v17<512, v0> {
pub const fn v21() -> v18 {}
//~^ ERROR cannot find type `v18` in this scope
}
impl<const v10: usize> v17<v10, v2> {
//~^ ERROR maximum number of nodes exceeded in constant v20::v17::<v10, v2>::{constant#1}
//~| ERROR maximum number of nodes exceeded in constant v20::v17::<v10, v2>::{constant#1}
pub const fn v21() -> v18 {
//~^ ERROR cannot find type `v18` in this scope
v18 { _p: () }
//~^ ERROR cannot find struct, variant or union type `v18` in this scope
}
}
}
pub use v20::{v13, v17};
//~^ ERROR unresolved import `v20::v13`
fn main() {}

92
tests/ui/const-generics/generic_const_exprs/unevaluated-const-ice-119731.stderr Normal file
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error[E0432]: unresolved import `v20::v13`
--> $DIR/unevaluated-const-ice-119731.rs:37:15
|
LL | pub use v20::{v13, v17};
| ^^^
| |
| no `v13` in `v20`
| help: a similar name exists in the module: `v11`
error[E0425]: cannot find value `v8` in this scope
--> $DIR/unevaluated-const-ice-119731.rs:13:38
|
LL | const v0: [[usize; v4]; v4] = v6(v8);
| ^^ not found in this scope
error[E0412]: cannot find type `v18` in this scope
--> $DIR/unevaluated-const-ice-119731.rs:23:31
|
LL | pub type v11 = [[usize; v4]; v4];
| --------------------------------- similarly named type alias `v11` defined here
...
LL | pub const fn v21() -> v18 {}
| ^^^ help: a type alias with a similar name exists: `v11`
error[E0412]: cannot find type `v18` in this scope
--> $DIR/unevaluated-const-ice-119731.rs:30:31
|
LL | pub type v11 = [[usize; v4]; v4];
| --------------------------------- similarly named type alias `v11` defined here
...
LL | pub const fn v21() -> v18 {
| ^^^ help: a type alias with a similar name exists: `v11`
error[E0422]: cannot find struct, variant or union type `v18` in this scope
--> $DIR/unevaluated-const-ice-119731.rs:32:13
|
LL | pub type v11 = [[usize; v4]; v4];
| --------------------------------- similarly named type alias `v11` defined here
...
LL | v18 { _p: () }
| ^^^ help: a type alias with a similar name exists: `v11`
warning: type `v11` should have an upper camel case name
--> $DIR/unevaluated-const-ice-119731.rs:9:14
|
LL | pub type v11 = [[usize; v4]; v4];
| ^^^ help: convert the identifier to upper camel case (notice the capitalization): `V11`
|
= note: `#[warn(non_camel_case_types)]` on by default
warning: type `v17` should have an upper camel case name
--> $DIR/unevaluated-const-ice-119731.rs:16:16
|
LL | pub struct v17<const v10: usize, const v7: v11> {
| ^^^ help: convert the identifier to upper camel case (notice the capitalization): `V17`
error[E0425]: cannot find function `v6` in this scope
--> $DIR/unevaluated-const-ice-119731.rs:13:35
|
LL | const v0: [[usize; v4]; v4] = v6(v8);
| ^^ not found in this scope
error: `[[usize; v4]; v4]` is forbidden as the type of a const generic parameter
--> $DIR/unevaluated-const-ice-119731.rs:16:48
|
LL | pub struct v17<const v10: usize, const v7: v11> {
| ^^^
|
= note: the only supported types are integers, `bool` and `char`
help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
|
LL + #![feature(adt_const_params)]
|
error: maximum number of nodes exceeded in constant v20::v17::<v10, v2>::{constant#1}
--> $DIR/unevaluated-const-ice-119731.rs:27:37
|
LL | impl<const v10: usize> v17<v10, v2> {
| ^^
error: maximum number of nodes exceeded in constant v20::v17::<v10, v2>::{constant#1}
--> $DIR/unevaluated-const-ice-119731.rs:27:37
|
LL | impl<const v10: usize> v17<v10, v2> {
| ^^
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 9 previous errors; 2 warnings emitted
Some errors have detailed explanations: E0412, E0422, E0425, E0432.
For more information about an error, try `rustc --explain E0412`.