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error[E0391]: cycle detected when computing type of `foo::{opaque#0}`
--> $DIR/in-defining-scope.rs:6:13
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^
|
note: ...which requires computing type of opaque `foo::{opaque#0}`...
--> $DIR/in-defining-scope.rs:6:13
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^
note: ...which requires borrow-checking `foo`...
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires promoting constants in MIR for `foo`...
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires checking if `foo` contains FFI-unwind calls...
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires building MIR for `foo`...
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires match-checking `foo`...
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires type-checking `foo`...
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^
= note: ...which requires computing layout of `foo::{opaque#0}`...
= note: ...which requires normalizing `foo::{opaque#0}`...
= note: ...which again requires computing type of `foo::{opaque#0}`, completing the cycle
note: cycle used when checking that `foo::{opaque#0}` is well-formed
--> $DIR/in-defining-scope.rs:6:13
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^
= 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
warning: function cannot return without recursing
--> $DIR/in-defining-scope.rs:6:1
|
LL | fn foo() -> impl Sized {
| ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
...
LL | transmute::<_, u8>(foo());
| ----- recursive call site
|
= help: a `loop` may express intention better if this is on purpose
= note: `#[warn(unconditional_recursion)]` on by default
error: aborting due to 1 previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0391`.
|
