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rust/tests/ui/abi/bad-custom.stderr

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error: functions with the "custom" ABI must be unsafe
--> $DIR/bad-custom.rs:7:1
|
LL | extern "custom" fn must_be_unsafe(a: i64) -> i64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: add the `unsafe` keyword to this definition
|
LL | unsafe extern "custom" fn must_be_unsafe(a: i64) -> i64 {
| ++++++
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:7:35
|
LL | extern "custom" fn must_be_unsafe(a: i64) -> i64 {
| ^^^^^^ ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - extern "custom" fn must_be_unsafe(a: i64) -> i64 {
LL + extern "custom" fn must_be_unsafe() {
|
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:14:41
|
LL | unsafe extern "custom" fn no_parameters(a: i64) {
| ^^^^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - unsafe extern "custom" fn no_parameters(a: i64) {
LL + unsafe extern "custom" fn no_parameters() {
|
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:20:47
|
LL | unsafe extern "custom" fn no_return_type() -> i64 {
| ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
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LL - unsafe extern "custom" fn no_return_type() -> i64 {
LL + unsafe extern "custom" fn no_return_type() {
|
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:25:34
|
LL | unsafe extern "custom" fn double(a: i64) -> i64 {
| ^^^^^^ ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - unsafe extern "custom" fn double(a: i64) -> i64 {
LL + unsafe extern "custom" fn double() {
|
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:34:39
|
LL | unsafe extern "custom" fn is_even(self) -> bool {
| ^^^^ ^^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - unsafe extern "custom" fn is_even(self) -> bool {
LL + unsafe extern "custom" fn is_even() {
|
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:42:43
|
LL | unsafe extern "custom" fn bitwise_not(a: i64) -> i64 {
| ^^^^^^ ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - unsafe extern "custom" fn bitwise_not(a: i64) -> i64 {
LL + unsafe extern "custom" fn bitwise_not() {
|
error: functions with the "custom" ABI must be unsafe
--> $DIR/bad-custom.rs:52:5
|
LL | extern "custom" fn negate(a: i64) -> i64;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: add the `unsafe` keyword to this definition
|
LL | unsafe extern "custom" fn negate(a: i64) -> i64;
| ++++++
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:52:31
|
LL | extern "custom" fn negate(a: i64) -> i64;
| ^^^^^^ ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - extern "custom" fn negate(a: i64) -> i64;
LL + extern "custom" fn negate();
|
error: functions with the "custom" ABI must be unsafe
--> $DIR/bad-custom.rs:58:5
|
LL | extern "custom" fn negate(a: i64) -> i64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: add the `unsafe` keyword to this definition
|
LL | unsafe extern "custom" fn negate(a: i64) -> i64 {
| ++++++
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:58:31
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LL | extern "custom" fn negate(a: i64) -> i64 {
| ^^^^^^ ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - extern "custom" fn negate(a: i64) -> i64 {
LL + extern "custom" fn negate() {
|
error: invalid signature for `extern "custom"` function
--> $DIR/bad-custom.rs:67:18
|
LL | fn increment(a: i64) -> i64;
| ^^^^^^ ^^^
|
= note: functions with the "custom" ABI cannot have any parameters or return type
help: remove the parameters and return type
|
LL - fn increment(a: i64) -> i64;
LL + fn increment();
|
error: foreign functions with the "custom" ABI cannot be safe
--> $DIR/bad-custom.rs:70:5
|
LL | safe fn extern_cannot_be_safe();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: remove the `safe` keyword from this definition
|
LL - safe fn extern_cannot_be_safe();
LL + fn extern_cannot_be_safe();
|
error: functions with the "custom" ABI cannot be `async`
--> $DIR/bad-custom.rs:97:1
|
LL | async unsafe extern "custom" fn no_async_fn() {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: remove the `async` keyword from this definition
|
LL - async unsafe extern "custom" fn no_async_fn() {
LL + unsafe extern "custom" fn no_async_fn() {
|
error: items with the "custom" ABI can only be declared externally or defined via naked functions
--> $DIR/bad-custom.rs:97:1
|
LL | async unsafe extern "custom" fn no_async_fn() {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: convert this to an `#[unsafe(naked)]` function
|
LL + #[unsafe(naked)]
LL | async unsafe extern "custom" fn no_async_fn() {
|
error[E0277]: expected a `Fn()` closure, found `unsafe extern "custom" fn()`
--> $DIR/bad-custom.rs:102:64
|
LL | fn no_promotion_to_fn_trait(f: unsafe extern "custom" fn()) -> impl Fn() {
| ^^^^^^^^^ call the function in a closure: `|| unsafe { /* code */ }`
LL |
LL | f
| - return type was inferred to be `unsafe extern "custom" fn()` here
|
= help: the trait `Fn()` is not implemented for `unsafe extern "custom" fn()`
= note: unsafe function cannot be called generically without an unsafe block
= note: wrap the `unsafe extern "custom" fn()` in a closure with no arguments: `|| { /* code */ }`
error: items with the "custom" ABI can only be declared externally or defined via naked functions
--> $DIR/bad-custom.rs:25:1
|
LL | unsafe extern "custom" fn double(a: i64) -> i64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: convert this to an `#[unsafe(naked)]` function
|
LL + #[unsafe(naked)]
LL | unsafe extern "custom" fn double(a: i64) -> i64 {
|
error: items with the "custom" ABI can only be declared externally or defined via naked functions
--> $DIR/bad-custom.rs:34:5
|
LL | unsafe extern "custom" fn is_even(self) -> bool {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: convert this to an `#[unsafe(naked)]` function
|
LL + #[unsafe(naked)]
LL | unsafe extern "custom" fn is_even(self) -> bool {
|
error: items with the "custom" ABI can only be declared externally or defined via naked functions
--> $DIR/bad-custom.rs:42:5
|
LL | unsafe extern "custom" fn bitwise_not(a: i64) -> i64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: convert this to an `#[unsafe(naked)]` function
|
LL + #[unsafe(naked)]
LL | unsafe extern "custom" fn bitwise_not(a: i64) -> i64 {
|
error: items with the "custom" ABI can only be declared externally or defined via naked functions
--> $DIR/bad-custom.rs:58:5
|
LL | extern "custom" fn negate(a: i64) -> i64 {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: convert this to an `#[unsafe(naked)]` function
|
LL + #[unsafe(naked)]
LL | extern "custom" fn negate(a: i64) -> i64 {
|
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:75:14
|
LL | unsafe { f(x) }
| ^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:75:14
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LL | unsafe { f(x) }
| ^^^^
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:80:14
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LL | unsafe { f(x) }
| ^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:80:14
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LL | unsafe { f(x) }
| ^^^^
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:87:14
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LL | unsafe { f(x) }
| ^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:87:14
|
LL | unsafe { f(x) }
| ^^^^
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:109:20
|
LL | assert_eq!(double(21), 42);
| ^^^^^^^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:109:20
|
LL | assert_eq!(double(21), 42);
| ^^^^^^^^^^
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:112:29
|
LL | assert_eq!(unsafe { increment(41) }, 42);
| ^^^^^^^^^^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:112:29
|
LL | assert_eq!(unsafe { increment(41) }, 42);
| ^^^^^^^^^^^^^
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:115:17
|
LL | assert!(Thing(41).is_even());
| ^^^^^^^^^^^^^^^^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:115:17
|
LL | assert!(Thing(41).is_even());
| ^^^^^^^^^^^^^^^^^^^
error: functions with the "custom" ABI cannot be called
--> $DIR/bad-custom.rs:118:20
|
LL | assert_eq!(Thing::bitwise_not(42), !42);
| ^^^^^^^^^^^^^^^^^^^^^^
|
note: an `extern "custom"` function can only be called using inline assembly
--> $DIR/bad-custom.rs:118:20
|
LL | assert_eq!(Thing::bitwise_not(42), !42);
| ^^^^^^^^^^^^^^^^^^^^^^
error[E0015]: inline assembly is not allowed in constant functions
--> $DIR/bad-custom.rs:93:5
|
LL | std::arch::naked_asm!("")
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 28 previous errors
Some errors have detailed explanations: E0015, E0277.
For more information about an error, try `rustc --explain E0015`.
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