diff options
Diffstat (limited to 'src/test/ui/rfc-2008-non-exhaustive/uninhabited')
24 files changed, 0 insertions, 1197 deletions
diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/auxiliary/uninhabited.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/auxiliary/uninhabited.rs deleted file mode 100644 index a2735d4cb..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/auxiliary/uninhabited.rs +++ /dev/null @@ -1,32 +0,0 @@ -#![crate_type = "rlib"] -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -pub enum PartiallyInhabitedVariants { - Tuple(u8), - #[non_exhaustive] Struct { x: ! } -} - -pub struct IndirectUninhabitedEnum(UninhabitedEnum); - -pub struct IndirectUninhabitedStruct(UninhabitedStruct); - -pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct); - -pub struct IndirectUninhabitedVariants(UninhabitedVariants); diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions.rs deleted file mode 100644 index 80b9dc4c1..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions.rs +++ /dev/null @@ -1,38 +0,0 @@ -// aux-build:uninhabited.rs -#![feature(never_type)] - -extern crate uninhabited; - -use uninhabited::{ - UninhabitedEnum, - UninhabitedStruct, - UninhabitedTupleStruct, - UninhabitedVariants, -}; - -// This test checks that uninhabited non-exhaustive types cannot coerce to any type, as the never -// type can. - -struct A; - -fn can_coerce_never_type_to_anything(x: !) -> A { - x -} - -fn cannot_coerce_empty_enum_to_anything(x: UninhabitedEnum) -> A { - x //~ ERROR mismatched types -} - -fn cannot_coerce_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - x //~ ERROR mismatched types -} - -fn cannot_coerce_empty_struct_to_anything(x: UninhabitedStruct) -> A { - x //~ ERROR mismatched types -} - -fn cannot_coerce_enum_with_empty_variants_to_anything(x: UninhabitedVariants) -> A { - x //~ ERROR mismatched types -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions.stderr deleted file mode 100644 index f8ed156b5..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions.stderr +++ /dev/null @@ -1,35 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/coercions.rs:23:5 - | -LL | fn cannot_coerce_empty_enum_to_anything(x: UninhabitedEnum) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found enum `UninhabitedEnum` - -error[E0308]: mismatched types - --> $DIR/coercions.rs:27:5 - | -LL | fn cannot_coerce_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found struct `UninhabitedTupleStruct` - -error[E0308]: mismatched types - --> $DIR/coercions.rs:31:5 - | -LL | fn cannot_coerce_empty_struct_to_anything(x: UninhabitedStruct) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found struct `UninhabitedStruct` - -error[E0308]: mismatched types - --> $DIR/coercions.rs:35:5 - | -LL | fn cannot_coerce_enum_with_empty_variants_to_anything(x: UninhabitedVariants) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found enum `UninhabitedVariants` - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions_same_crate.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions_same_crate.rs deleted file mode 100644 index 6b911dd98..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions_same_crate.rs +++ /dev/null @@ -1,45 +0,0 @@ -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -struct A; - -// This test checks that uninhabited non-exhaustive types defined in the same crate cannot coerce -// to any type, as the never type can. - -fn can_coerce_never_type_to_anything(x: !) -> A { - x -} - -fn cannot_coerce_empty_enum_to_anything(x: UninhabitedEnum) -> A { - x //~ ERROR mismatched types -} - -fn cannot_coerce_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - x //~ ERROR mismatched types -} - -fn cannot_coerce_empty_struct_to_anything(x: UninhabitedStruct) -> A { - x //~ ERROR mismatched types -} - -fn cannot_coerce_enum_with_empty_variants_to_anything(x: UninhabitedVariants) -> A { - x //~ ERROR mismatched types -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions_same_crate.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions_same_crate.stderr deleted file mode 100644 index fd2c56974..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/coercions_same_crate.stderr +++ /dev/null @@ -1,35 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/coercions_same_crate.rs:30:5 - | -LL | fn cannot_coerce_empty_enum_to_anything(x: UninhabitedEnum) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found enum `UninhabitedEnum` - -error[E0308]: mismatched types - --> $DIR/coercions_same_crate.rs:34:5 - | -LL | fn cannot_coerce_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found struct `UninhabitedTupleStruct` - -error[E0308]: mismatched types - --> $DIR/coercions_same_crate.rs:38:5 - | -LL | fn cannot_coerce_empty_struct_to_anything(x: UninhabitedStruct) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found struct `UninhabitedStruct` - -error[E0308]: mismatched types - --> $DIR/coercions_same_crate.rs:42:5 - | -LL | fn cannot_coerce_enum_with_empty_variants_to_anything(x: UninhabitedVariants) -> A { - | - expected `A` because of return type -LL | x - | ^ expected struct `A`, found enum `UninhabitedVariants` - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.rs deleted file mode 100644 index 98a7fdbc5..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.rs +++ /dev/null @@ -1,36 +0,0 @@ -// aux-build:uninhabited.rs -#![feature(never_type)] - -extern crate uninhabited; - -use uninhabited::{ - IndirectUninhabitedEnum, - IndirectUninhabitedStruct, - IndirectUninhabitedTupleStruct, - IndirectUninhabitedVariants, -}; - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type through a level of -// indirection from an extern crate will not compile. - -fn cannot_empty_match_on_empty_enum_to_anything(x: IndirectUninhabitedEnum) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: IndirectUninhabitedStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: IndirectUninhabitedTupleStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything( - x: IndirectUninhabitedVariants, -) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr deleted file mode 100644 index 66e93291c..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr +++ /dev/null @@ -1,79 +0,0 @@ -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedEnum` is non-empty - --> $DIR/indirect_match.rs:19:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedEnum` defined here - --> $DIR/auxiliary/uninhabited.rs:26:1 - | -LL | pub struct IndirectUninhabitedEnum(UninhabitedEnum); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedEnum` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedStruct` is non-empty - --> $DIR/indirect_match.rs:23:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:28:1 - | -LL | pub struct IndirectUninhabitedStruct(UninhabitedStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedTupleStruct` is non-empty - --> $DIR/indirect_match.rs:27:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedTupleStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:30:1 - | -LL | pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedTupleStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedVariants` is non-empty - --> $DIR/indirect_match.rs:33:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedVariants` defined here - --> $DIR/auxiliary/uninhabited.rs:32:1 - | -LL | pub struct IndirectUninhabitedVariants(UninhabitedVariants); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedVariants` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0004`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.rs deleted file mode 100644 index 8f090fe88..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.rs +++ /dev/null @@ -1,51 +0,0 @@ -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -pub struct IndirectUninhabitedEnum(UninhabitedEnum); - -pub struct IndirectUninhabitedStruct(UninhabitedStruct); - -pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct); - -pub struct IndirectUninhabitedVariants(UninhabitedVariants); - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type through a level of -// indirection from the defining crate will not compile without `#![feature(exhaustive_patterns)]`. - -fn cannot_empty_match_on_empty_enum_to_anything(x: IndirectUninhabitedEnum) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: IndirectUninhabitedStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: IndirectUninhabitedTupleStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything( - x: IndirectUninhabitedVariants, -) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr deleted file mode 100644 index c12190541..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr +++ /dev/null @@ -1,79 +0,0 @@ -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedEnum` is non-empty - --> $DIR/indirect_match_same_crate.rs:34:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedEnum` defined here - --> $DIR/indirect_match_same_crate.rs:20:12 - | -LL | pub struct IndirectUninhabitedEnum(UninhabitedEnum); - | ^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedEnum` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedStruct` is non-empty - --> $DIR/indirect_match_same_crate.rs:38:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedStruct` defined here - --> $DIR/indirect_match_same_crate.rs:22:12 - | -LL | pub struct IndirectUninhabitedStruct(UninhabitedStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedTupleStruct` is non-empty - --> $DIR/indirect_match_same_crate.rs:42:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedTupleStruct` defined here - --> $DIR/indirect_match_same_crate.rs:24:12 - | -LL | pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedTupleStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedVariants` is non-empty - --> $DIR/indirect_match_same_crate.rs:48:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedVariants` defined here - --> $DIR/indirect_match_same_crate.rs:26:12 - | -LL | pub struct IndirectUninhabitedVariants(UninhabitedVariants); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedVariants` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0004`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.rs deleted file mode 100644 index be86519ec..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.rs +++ /dev/null @@ -1,40 +0,0 @@ -// aux-build:uninhabited.rs -#![deny(unreachable_patterns)] -#![feature(exhaustive_patterns)] -#![feature(never_type)] - -extern crate uninhabited; - -use uninhabited::{ - IndirectUninhabitedEnum, - IndirectUninhabitedStruct, - IndirectUninhabitedTupleStruct, - IndirectUninhabitedVariants, -}; - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type through a level of -// indirection from an extern crate will not compile. In particular, this enables the -// `exhaustive_patterns` feature as this can change the branch used in the compiler to determine -// this. - -fn cannot_empty_match_on_empty_enum_to_anything(x: IndirectUninhabitedEnum) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: IndirectUninhabitedStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: IndirectUninhabitedTupleStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything( - x: IndirectUninhabitedVariants, -) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr deleted file mode 100644 index ef97c1fa1..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr +++ /dev/null @@ -1,79 +0,0 @@ -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedEnum` is non-empty - --> $DIR/indirect_match_with_exhaustive_patterns.rs:23:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedEnum` defined here - --> $DIR/auxiliary/uninhabited.rs:26:1 - | -LL | pub struct IndirectUninhabitedEnum(UninhabitedEnum); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedEnum` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedStruct` is non-empty - --> $DIR/indirect_match_with_exhaustive_patterns.rs:27:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:28:1 - | -LL | pub struct IndirectUninhabitedStruct(UninhabitedStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedTupleStruct` is non-empty - --> $DIR/indirect_match_with_exhaustive_patterns.rs:31:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedTupleStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:30:1 - | -LL | pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedTupleStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedVariants` is non-empty - --> $DIR/indirect_match_with_exhaustive_patterns.rs:37:11 - | -LL | match x {} - | ^ - | -note: `IndirectUninhabitedVariants` defined here - --> $DIR/auxiliary/uninhabited.rs:32:1 - | -LL | pub struct IndirectUninhabitedVariants(UninhabitedVariants); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `IndirectUninhabitedVariants` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0004`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns_same_crate.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns_same_crate.rs deleted file mode 100644 index 60289aa78..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns_same_crate.rs +++ /dev/null @@ -1,57 +0,0 @@ -// check-pass - -#![deny(unreachable_patterns)] -#![feature(exhaustive_patterns)] -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -pub struct IndirectUninhabitedEnum(UninhabitedEnum); - -pub struct IndirectUninhabitedStruct(UninhabitedStruct); - -pub struct IndirectUninhabitedTupleStruct(UninhabitedTupleStruct); - -pub struct IndirectUninhabitedVariants(UninhabitedVariants); - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type from the defining crate -// will compile. In particular, this enables the `exhaustive_patterns` feature as this can -// change the branch used in the compiler to determine this. -// Codegen is skipped because tests with long names can cause issues on Windows CI, see #60648. - -fn cannot_empty_match_on_empty_enum_to_anything(x: IndirectUninhabitedEnum) -> A { - match x {} -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: IndirectUninhabitedStruct) -> A { - match x {} -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: IndirectUninhabitedTupleStruct) -> A { - match x {} -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything( - x: IndirectUninhabitedVariants, -) -> A { - match x {} -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/issue-65157-repeated-match-arm.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/issue-65157-repeated-match-arm.rs deleted file mode 100644 index 230ac7529..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/issue-65157-repeated-match-arm.rs +++ /dev/null @@ -1,21 +0,0 @@ -// aux-build:uninhabited.rs -#![deny(unreachable_patterns)] -#![feature(never_type)] - -extern crate uninhabited; - -use uninhabited::PartiallyInhabitedVariants; - -// This test checks a redundant/useless pattern of a non-exhaustive enum/variant is still -// warned against. - -pub fn foo(x: PartiallyInhabitedVariants) { - match x { - PartiallyInhabitedVariants::Struct { .. } => {}, - PartiallyInhabitedVariants::Struct { .. } => {}, - //~^ ERROR unreachable pattern - _ => {}, - } -} - -fn main() { } diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/issue-65157-repeated-match-arm.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/issue-65157-repeated-match-arm.stderr deleted file mode 100644 index f39e6ee29..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/issue-65157-repeated-match-arm.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: unreachable pattern - --> $DIR/issue-65157-repeated-match-arm.rs:15:9 - | -LL | PartiallyInhabitedVariants::Struct { .. } => {}, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: the lint level is defined here - --> $DIR/issue-65157-repeated-match-arm.rs:2:9 - | -LL | #![deny(unreachable_patterns)] - | ^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.rs deleted file mode 100644 index e54098d4d..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.rs +++ /dev/null @@ -1,34 +0,0 @@ -// aux-build:uninhabited.rs -#![feature(never_type)] - -extern crate uninhabited; - -use uninhabited::{ - UninhabitedEnum, - UninhabitedStruct, - UninhabitedTupleStruct, - UninhabitedVariants, -}; - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type from an extern crate -// will not compile. - -fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr deleted file mode 100644 index a9c54af04..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr +++ /dev/null @@ -1,83 +0,0 @@ -error[E0004]: non-exhaustive patterns: type `UninhabitedEnum` is non-empty - --> $DIR/match.rs:19:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedEnum` defined here - --> $DIR/auxiliary/uninhabited.rs:5:1 - | -LL | pub enum UninhabitedEnum { - | ^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedEnum`, which is marked as non-exhaustive -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `UninhabitedStruct` is non-empty - --> $DIR/match.rs:23:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:9:1 - | -LL | pub struct UninhabitedStruct { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `UninhabitedTupleStruct` is non-empty - --> $DIR/match.rs:27:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedTupleStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:14:1 - | -LL | pub struct UninhabitedTupleStruct(!); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedTupleStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: `UninhabitedVariants::Tuple(_)` and `UninhabitedVariants::Struct { .. }` not covered - --> $DIR/match.rs:31:11 - | -LL | match x {} - | ^ patterns `UninhabitedVariants::Tuple(_)` and `UninhabitedVariants::Struct { .. }` not covered - | -note: `UninhabitedVariants` defined here - --> $DIR/auxiliary/uninhabited.rs:17:23 - | -LL | pub enum UninhabitedVariants { - | ---------------------------- -LL | #[non_exhaustive] Tuple(!), - | ^^^^^ not covered -LL | #[non_exhaustive] Struct { x: ! } - | ^^^^^^ not covered - = note: the matched value is of type `UninhabitedVariants` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms - | -LL ~ match x { -LL + UninhabitedVariants::Tuple(_) | UninhabitedVariants::Struct { .. } => todo!(), -LL ~ } - | - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0004`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.rs deleted file mode 100644 index ebbdfba15..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.rs +++ /dev/null @@ -1,41 +0,0 @@ -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type from the defining crate -// will compile. - -fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A { - match x {} -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr deleted file mode 100644 index ec2a2f6f0..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr +++ /dev/null @@ -1,64 +0,0 @@ -error[E0004]: non-exhaustive patterns: type `UninhabitedStruct` is non-empty - --> $DIR/match_same_crate.rs:30:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedStruct` defined here - --> $DIR/match_same_crate.rs:8:12 - | -LL | pub struct UninhabitedStruct { - | ^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `UninhabitedTupleStruct` is non-empty - --> $DIR/match_same_crate.rs:34:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedTupleStruct` defined here - --> $DIR/match_same_crate.rs:13:12 - | -LL | pub struct UninhabitedTupleStruct(!); - | ^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedTupleStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: `UninhabitedVariants::Tuple(_)` and `UninhabitedVariants::Struct { .. }` not covered - --> $DIR/match_same_crate.rs:38:11 - | -LL | match x {} - | ^ patterns `UninhabitedVariants::Tuple(_)` and `UninhabitedVariants::Struct { .. }` not covered - | -note: `UninhabitedVariants` defined here - --> $DIR/match_same_crate.rs:16:23 - | -LL | pub enum UninhabitedVariants { - | ------------------- -LL | #[non_exhaustive] Tuple(!), - | ^^^^^ not covered -LL | #[non_exhaustive] Struct { x: ! } - | ^^^^^^ not covered - = note: the matched value is of type `UninhabitedVariants` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms - | -LL ~ match x { -LL + UninhabitedVariants::Tuple(_) | UninhabitedVariants::Struct { .. } => todo!(), -LL ~ } - | - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0004`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs deleted file mode 100644 index 900dfff65..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs +++ /dev/null @@ -1,37 +0,0 @@ -// aux-build:uninhabited.rs -#![deny(unreachable_patterns)] -#![feature(exhaustive_patterns)] -#![feature(never_type)] - -extern crate uninhabited; - -use uninhabited::{ - UninhabitedEnum, - UninhabitedStruct, - UninhabitedTupleStruct, - UninhabitedVariants, -}; - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type from an extern crate -// will not compile. In particular, this enables the `exhaustive_patterns` feature as this can -// change the branch used in the compiler to determine this. - -fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A { - match x {} //~ ERROR non-exhaustive patterns -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr deleted file mode 100644 index b6b777ec5..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr +++ /dev/null @@ -1,83 +0,0 @@ -error[E0004]: non-exhaustive patterns: type `UninhabitedEnum` is non-empty - --> $DIR/match_with_exhaustive_patterns.rs:22:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedEnum` defined here - --> $DIR/auxiliary/uninhabited.rs:5:1 - | -LL | pub enum UninhabitedEnum { - | ^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedEnum`, which is marked as non-exhaustive -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `UninhabitedStruct` is non-empty - --> $DIR/match_with_exhaustive_patterns.rs:26:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:9:1 - | -LL | pub struct UninhabitedStruct { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: type `UninhabitedTupleStruct` is non-empty - --> $DIR/match_with_exhaustive_patterns.rs:30:11 - | -LL | match x {} - | ^ - | -note: `UninhabitedTupleStruct` defined here - --> $DIR/auxiliary/uninhabited.rs:14:1 - | -LL | pub struct UninhabitedTupleStruct(!); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: the matched value is of type `UninhabitedTupleStruct` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown - | -LL ~ match x { -LL + _ => todo!(), -LL ~ } - | - -error[E0004]: non-exhaustive patterns: `UninhabitedVariants::Tuple(_)` and `UninhabitedVariants::Struct { .. }` not covered - --> $DIR/match_with_exhaustive_patterns.rs:34:11 - | -LL | match x {} - | ^ patterns `UninhabitedVariants::Tuple(_)` and `UninhabitedVariants::Struct { .. }` not covered - | -note: `UninhabitedVariants` defined here - --> $DIR/auxiliary/uninhabited.rs:17:23 - | -LL | pub enum UninhabitedVariants { - | ---------------------------- -LL | #[non_exhaustive] Tuple(!), - | ^^^^^ not covered -LL | #[non_exhaustive] Struct { x: ! } - | ^^^^^^ not covered - = note: the matched value is of type `UninhabitedVariants` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms - | -LL ~ match x { -LL + UninhabitedVariants::Tuple(_) | UninhabitedVariants::Struct { .. } => todo!(), -LL ~ } - | - -error: aborting due to 4 previous errors - -For more information about this error, try `rustc --explain E0004`. diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns_same_crate.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns_same_crate.rs deleted file mode 100644 index de5530485..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns_same_crate.rs +++ /dev/null @@ -1,47 +0,0 @@ -// check-pass - -#![deny(unreachable_patterns)] -#![feature(exhaustive_patterns)] -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -struct A; - -// This test checks that an empty match on a non-exhaustive uninhabited type from the defining crate -// will compile. In particular, this enables the `exhaustive_patterns` feature as this can -// change the branch used in the compiler to determine this. -// Codegen is skipped because tests with long names can cause issues on Windows CI, see #60648. - -fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A { - match x {} -} - -fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A { - match x {} -} - -fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { - match x {} -} - -fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A { - match x {} -} - -fn main() {} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns.rs deleted file mode 100644 index 221b5cf6b..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns.rs +++ /dev/null @@ -1,59 +0,0 @@ -// aux-build:uninhabited.rs -// build-pass (FIXME(62277): could be check-pass?) -#![deny(unreachable_patterns)] -#![feature(exhaustive_patterns)] - -extern crate uninhabited; - -use uninhabited::{ - PartiallyInhabitedVariants, - UninhabitedEnum, - UninhabitedStruct, - UninhabitedTupleStruct, - UninhabitedVariants, -}; - -fn uninhabited_enum() -> Option<UninhabitedEnum> { - None -} - -fn uninhabited_variant() -> Option<UninhabitedVariants> { - None -} - -fn partially_inhabited_variant() -> PartiallyInhabitedVariants { - PartiallyInhabitedVariants::Tuple(3) -} - -fn uninhabited_struct() -> Option<UninhabitedStruct> { - None -} - -fn uninhabited_tuple_struct() -> Option<UninhabitedTupleStruct> { - None -} - -// This test checks that non-exhaustive types that would normally be considered uninhabited within -// the defining crate are not considered uninhabited from extern crates. - -fn main() { - match uninhabited_enum() { - Some(_x) => (), // This line would normally error. - None => (), - } - - match uninhabited_variant() { - Some(_x) => (), // This line would normally error. - None => (), - } - - // This line would normally error. - while let PartiallyInhabitedVariants::Struct { x, .. } = partially_inhabited_variant() { - } - - while let Some(_x) = uninhabited_struct() { // This line would normally error. - } - - while let Some(_x) = uninhabited_tuple_struct() { // This line would normally error. - } -} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns_same_crate.rs b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns_same_crate.rs deleted file mode 100644 index ffc496a97..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns_same_crate.rs +++ /dev/null @@ -1,70 +0,0 @@ -#![deny(unreachable_patterns)] -#![feature(exhaustive_patterns)] -#![feature(never_type)] - -#[non_exhaustive] -pub enum UninhabitedEnum { -} - -#[non_exhaustive] -pub struct UninhabitedTupleStruct(!); - -#[non_exhaustive] -pub struct UninhabitedStruct { - _priv: !, -} - -pub enum UninhabitedVariants { - #[non_exhaustive] Tuple(!), - #[non_exhaustive] Struct { x: ! } -} - -pub enum PartiallyInhabitedVariants { - Tuple(u8), - #[non_exhaustive] Struct { x: ! } -} - -fn uninhabited_enum() -> Option<UninhabitedEnum> { - None -} - -fn uninhabited_variant() -> Option<UninhabitedVariants> { - None -} - -fn partially_inhabited_variant() -> PartiallyInhabitedVariants { - PartiallyInhabitedVariants::Tuple(3) -} - -fn uninhabited_struct() -> Option<UninhabitedStruct> { - None -} - -fn uninhabited_tuple_struct() -> Option<UninhabitedTupleStruct> { - None -} - -// This test checks that non-exhaustive types that would normally be considered uninhabited within -// the defining crate are still considered uninhabited. - -fn main() { - match uninhabited_enum() { - Some(_x) => (), //~ ERROR unreachable pattern - None => (), - } - - match uninhabited_variant() { - Some(_x) => (), //~ ERROR unreachable pattern - None => (), - } - - while let PartiallyInhabitedVariants::Struct { x } = partially_inhabited_variant() { - //~^ ERROR unreachable pattern - } - - while let Some(_x) = uninhabited_struct() { //~ ERROR unreachable pattern - } - - while let Some(_x) = uninhabited_tuple_struct() { //~ ERROR unreachable pattern - } -} diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns_same_crate.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns_same_crate.stderr deleted file mode 100644 index 8bfd6e91f..000000000 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/patterns_same_crate.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error: unreachable pattern - --> $DIR/patterns_same_crate.rs:52:9 - | -LL | Some(_x) => (), - | ^^^^^^^^ - | -note: the lint level is defined here - --> $DIR/patterns_same_crate.rs:1:9 - | -LL | #![deny(unreachable_patterns)] - | ^^^^^^^^^^^^^^^^^^^^ - -error: unreachable pattern - --> $DIR/patterns_same_crate.rs:57:9 - | -LL | Some(_x) => (), - | ^^^^^^^^ - -error: unreachable pattern - --> $DIR/patterns_same_crate.rs:61:15 - | -LL | while let PartiallyInhabitedVariants::Struct { x } = partially_inhabited_variant() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: unreachable pattern - --> $DIR/patterns_same_crate.rs:65:15 - | -LL | while let Some(_x) = uninhabited_struct() { - | ^^^^^^^^ - -error: unreachable pattern - --> $DIR/patterns_same_crate.rs:68:15 - | -LL | while let Some(_x) = uninhabited_tuple_struct() { - | ^^^^^^^^ - -error: aborting due to 5 previous errors - |