Auto merge of #77224 - RalfJung:rollup-hdvb96c, r=RalfJung
Rollup of 12 pull requests Successful merges: - #75454 (Explicitly document the size guarantees that Option makes.) - #76631 (Add `x.py setup`) - #77076 (Add missing code examples on slice iter types) - #77093 (merge `need_type_info_err(_const)`) - #77122 (Add `#![feature(const_fn_floating_point_arithmetic)]`) - #77127 (Update mdBook) - #77161 (Remove TrustedLen requirement from BuilderMethods::switch) - #77166 (update Miri) - #77181 (Add doc alias for pointer primitive) - #77204 (Remove stray word from `ClosureKind::extends` docs) - #77207 (Rename `whence` to `span`) - #77211 (Remove unused #[allow(...)] statements from compiler/) Failed merges: - #77170 (Remove `#[rustc_allow_const_fn_ptr]` and add `#![feature(const_fn_fn_ptr_basics)]`) r? `@ghost`
This commit is contained in:
bors
commit
e37c99fa1c
74 changed files with 808 additions and 342 deletions
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@ -2,9 +2,7 @@ error[E0282]: type annotations needed
|
|||
--> $DIR/cannot-infer-const-args.rs:12:5
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|
|
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LL | foo();
|
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| ^^^
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||||
|
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= note: cannot infer the value of the const parameter `X`
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| ^^^ cannot infer the value of const parameter `X` declared on the function `foo`
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error: aborting due to previous error
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|
||||
|
|
|
|||
|
|
@ -2,9 +2,7 @@ error[E0282]: type annotations needed
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|||
--> $DIR/cannot-infer-const-args.rs:12:5
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||||
|
|
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LL | foo();
|
||||
| ^^^
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||||
|
|
||||
= note: cannot infer the value of the const parameter `X`
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| ^^^ cannot infer the value of const parameter `X` declared on the function `foo`
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|
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error: aborting due to previous error
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|
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|
|
|
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16
src/test/ui/const-generics/infer/issue-77092.rs
Normal file
16
src/test/ui/const-generics/infer/issue-77092.rs
Normal file
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@ -0,0 +1,16 @@
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#![feature(min_const_generics)]
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use std::convert::TryInto;
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fn take_array_from_mut<T, const N: usize>(data: &mut [T], start: usize) -> &mut [T; N] {
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(&mut data[start .. start + N]).try_into().unwrap()
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}
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fn main() {
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let mut arr = [0, 1, 2, 3, 4, 5, 6, 7, 8];
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for i in 1 .. 4 {
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println!("{:?}", take_array_from_mut(&mut arr, i));
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//~^ ERROR type annotations needed
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}
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}
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9
src/test/ui/const-generics/infer/issue-77092.stderr
Normal file
9
src/test/ui/const-generics/infer/issue-77092.stderr
Normal file
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@ -0,0 +1,9 @@
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error[E0282]: type annotations needed
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--> $DIR/issue-77092.rs:13:26
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|
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LL | println!("{:?}", take_array_from_mut(&mut arr, i));
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| ^^^^^^^^^^^^^^^^^^^ cannot infer the value of the constant `{_: usize}`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0282`.
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|
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@ -2,9 +2,7 @@ error[E0282]: type annotations needed
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--> $DIR/method-chain.rs:21:33
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|
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LL | Foo.bar().bar().bar().bar().baz();
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| ^^^
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|
|
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= note: cannot infer the value of the const parameter `N`
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| ^^^ cannot infer the value of const parameter `N` declared on the associated function `baz`
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|
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error: aborting due to previous error
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|
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|
|
|
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|
|
@ -2,9 +2,7 @@ error[E0282]: type annotations needed
|
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--> $DIR/method-chain.rs:21:33
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|
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LL | Foo.bar().bar().bar().bar().baz();
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| ^^^
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|
|
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= note: cannot infer the value of the const parameter `N`
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| ^^^ cannot infer the value of const parameter `N` declared on the associated function `baz`
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|
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error: aborting due to previous error
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|
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|
|
|
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|
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@ -2,9 +2,7 @@ error[E0282]: type annotations needed
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--> $DIR/uninferred-consts.rs:14:9
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|
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LL | Foo.foo();
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| ^^^
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|
|
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= note: cannot infer the value of the const parameter `N`
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| ^^^ cannot infer the value of const parameter `N` declared on the associated function `foo`
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|
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error: aborting due to previous error
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|
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|
|
|
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|
|
@ -2,9 +2,7 @@ error[E0282]: type annotations needed
|
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--> $DIR/uninferred-consts.rs:14:9
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|
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LL | Foo.foo();
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| ^^^
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|
|
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= note: cannot infer the value of the const parameter `N`
|
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| ^^^ cannot infer the value of const parameter `N` declared on the associated function `foo`
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|
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error: aborting due to previous error
|
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|
||||
|
|
|
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|
|
@ -4,7 +4,7 @@ const extern fn unsize(x: &[u8; 3]) -> &[u8] { x }
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const unsafe extern "C" fn closure() -> fn() { || {} }
|
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//~^ ERROR function pointers in const fn are unstable
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const unsafe extern fn use_float() { 1.0 + 1.0; }
|
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//~^ ERROR only int, `bool` and `char` operations are stable in const fn
|
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//~^ ERROR floating point arithmetic
|
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const extern "C" fn ptr_cast(val: *const u8) { val as usize; }
|
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//~^ ERROR casting pointers to integers
|
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|
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|
|
|
|||
|
|
@ -7,14 +7,14 @@ LL | const unsafe extern "C" fn closure() -> fn() { || {} }
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= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
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= help: add `#![feature(const_fn)]` to the crate attributes to enable
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error[E0723]: only int, `bool` and `char` operations are stable in const fn
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error[E0658]: floating point arithmetic is not allowed in constant functions
|
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--> $DIR/const-extern-fn-min-const-fn.rs:6:38
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|
|
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LL | const unsafe extern fn use_float() { 1.0 + 1.0; }
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| ^^^^^^^^^
|
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|
|
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= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
= note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
|
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= help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
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|
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error[E0658]: casting pointers to integers in constant functions is unstable
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--> $DIR/const-extern-fn-min-const-fn.rs:8:48
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|
|
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|
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@ -0,0 +1,8 @@
|
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error: fatal error triggered by #[rustc_error]
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--> $DIR/const_fn_floating_point_arithmetic.rs:20:1
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|
|
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LL | fn main() {}
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| ^^^^^^^^^
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|
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error: aborting due to previous error
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|
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20
src/test/ui/consts/const_fn_floating_point_arithmetic.rs
Normal file
20
src/test/ui/consts/const_fn_floating_point_arithmetic.rs
Normal file
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@ -0,0 +1,20 @@
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// gate-test-const_fn_floating_point_arithmetic
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|
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// revisions: stock gated
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#![feature(rustc_attrs)]
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#![cfg_attr(gated, feature(const_fn_floating_point_arithmetic))]
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const fn add(f: f32) -> f32 { f + 2.0 }
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//[stock]~^ floating point arithmetic
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const fn sub(f: f32) -> f32 { 2.0 - f }
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//[stock]~^ floating point arithmetic
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const fn mul(f: f32, g: f32) -> f32 { f * g }
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//[stock]~^ floating point arithmetic
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const fn div(f: f32, g: f32) -> f32 { f / g }
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//[stock]~^ floating point arithmetic
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const fn neg(f: f32) -> f32 { -f }
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//[stock]~^ floating point arithmetic
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#[rustc_error]
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fn main() {} //[gated]~ fatal error triggered by #[rustc_error]
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|
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@ -0,0 +1,48 @@
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error[E0658]: floating point arithmetic is not allowed in constant functions
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--> $DIR/const_fn_floating_point_arithmetic.rs:8:31
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|
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LL | const fn add(f: f32) -> f32 { f + 2.0 }
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| ^^^^^^^
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|
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= note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
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= help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
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|
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error[E0658]: floating point arithmetic is not allowed in constant functions
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--> $DIR/const_fn_floating_point_arithmetic.rs:10:31
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|
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LL | const fn sub(f: f32) -> f32 { 2.0 - f }
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| ^^^^^^^
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|
|
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= note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
|
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= help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
|
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|
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error[E0658]: floating point arithmetic is not allowed in constant functions
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--> $DIR/const_fn_floating_point_arithmetic.rs:12:39
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|
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LL | const fn mul(f: f32, g: f32) -> f32 { f * g }
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| ^^^^^
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|
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= note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
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= help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
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|
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error[E0658]: floating point arithmetic is not allowed in constant functions
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--> $DIR/const_fn_floating_point_arithmetic.rs:14:39
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|
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LL | const fn div(f: f32, g: f32) -> f32 { f / g }
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| ^^^^^
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|
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= note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
|
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= help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
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|
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error[E0658]: floating point arithmetic is not allowed in constant functions
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--> $DIR/const_fn_floating_point_arithmetic.rs:16:31
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|
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LL | const fn neg(f: f32) -> f32 { -f }
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| ^^
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|
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= note: see issue #57241 <https://github.com/rust-lang/rust/issues/57241> for more information
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= help: add `#![feature(const_fn_floating_point_arithmetic)]` to the crate attributes to enable
|
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|
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error: aborting due to 5 previous errors
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For more information about this error, try `rustc --explain E0658`.
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@ -1,6 +1,6 @@
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// build-pass (FIXME(62277): could be check-pass?)
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// run-pass
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#![feature(const_fn)]
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#![feature(const_fn_floating_point_arithmetic)]
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struct Foo<T>(T);
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struct Bar<T> { x: T }
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|
|
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|
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@ -77,14 +77,6 @@ const fn foo11<T: std::fmt::Display>(t: T) -> T { t }
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//~^ ERROR trait bounds other than `Sized` on const fn parameters are unstable
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const fn foo11_2<T: Send>(t: T) -> T { t }
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//~^ ERROR trait bounds other than `Sized` on const fn parameters are unstable
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const fn foo19(f: f32) -> f32 { f * 2.0 }
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//~^ ERROR int, `bool` and `char` operations
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const fn foo19_2(f: f32) -> f32 { 2.0 - f }
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//~^ ERROR int, `bool` and `char` operations
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const fn foo19_3(f: f32) -> f32 { -f }
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//~^ ERROR int, `bool` and `char` operations
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const fn foo19_4(f: f32, g: f32) -> f32 { f / g }
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//~^ ERROR int, `bool` and `char` operations
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|
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static BAR: u32 = 42;
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const fn foo25() -> u32 { BAR } //~ ERROR cannot refer to statics
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|
|
|
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|
|
@ -76,44 +76,8 @@ LL | const fn foo11_2<T: Send>(t: T) -> T { t }
|
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= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
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|
||||
error[E0723]: only int, `bool` and `char` operations are stable in const fn
|
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--> $DIR/min_const_fn.rs:80:33
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||||
|
|
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LL | const fn foo19(f: f32) -> f32 { f * 2.0 }
|
||||
| ^^^^^^^
|
||||
|
|
||||
= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: only int, `bool` and `char` operations are stable in const fn
|
||||
--> $DIR/min_const_fn.rs:82:35
|
||||
|
|
||||
LL | const fn foo19_2(f: f32) -> f32 { 2.0 - f }
|
||||
| ^^^^^^^
|
||||
|
|
||||
= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: only int, `bool` and `char` operations are stable in const fn
|
||||
--> $DIR/min_const_fn.rs:84:35
|
||||
|
|
||||
LL | const fn foo19_3(f: f32) -> f32 { -f }
|
||||
| ^^
|
||||
|
|
||||
= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: only int, `bool` and `char` operations are stable in const fn
|
||||
--> $DIR/min_const_fn.rs:86:43
|
||||
|
|
||||
LL | const fn foo19_4(f: f32, g: f32) -> f32 { f / g }
|
||||
| ^^^^^
|
||||
|
|
||||
= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0013]: constant functions cannot refer to statics
|
||||
--> $DIR/min_const_fn.rs:90:27
|
||||
--> $DIR/min_const_fn.rs:82:27
|
||||
|
|
||||
LL | const fn foo25() -> u32 { BAR }
|
||||
| ^^^
|
||||
|
|
@ -121,7 +85,7 @@ LL | const fn foo25() -> u32 { BAR }
|
|||
= help: consider extracting the value of the `static` to a `const`, and referring to that
|
||||
|
||||
error[E0013]: constant functions cannot refer to statics
|
||||
--> $DIR/min_const_fn.rs:91:37
|
||||
--> $DIR/min_const_fn.rs:83:37
|
||||
|
|
||||
LL | const fn foo26() -> &'static u32 { &BAR }
|
||||
| ^^^
|
||||
|
|
@ -129,7 +93,7 @@ LL | const fn foo26() -> &'static u32 { &BAR }
|
|||
= help: consider extracting the value of the `static` to a `const`, and referring to that
|
||||
|
||||
error[E0658]: casting pointers to integers in constant functions is unstable
|
||||
--> $DIR/min_const_fn.rs:92:42
|
||||
--> $DIR/min_const_fn.rs:84:42
|
||||
|
|
||||
LL | const fn foo30(x: *const u32) -> usize { x as usize }
|
||||
| ^^^^^^^^^^
|
||||
|
|
@ -138,7 +102,7 @@ LL | const fn foo30(x: *const u32) -> usize { x as usize }
|
|||
= help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable
|
||||
|
||||
error[E0658]: casting pointers to integers in constant functions is unstable
|
||||
--> $DIR/min_const_fn.rs:94:63
|
||||
--> $DIR/min_const_fn.rs:86:63
|
||||
|
|
||||
LL | const fn foo30_with_unsafe(x: *const u32) -> usize { unsafe { x as usize } }
|
||||
| ^^^^^^^^^^
|
||||
|
|
@ -147,7 +111,7 @@ LL | const fn foo30_with_unsafe(x: *const u32) -> usize { unsafe { x as usize }
|
|||
= help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable
|
||||
|
||||
error[E0658]: casting pointers to integers in constant functions is unstable
|
||||
--> $DIR/min_const_fn.rs:96:42
|
||||
--> $DIR/min_const_fn.rs:88:42
|
||||
|
|
||||
LL | const fn foo30_2(x: *mut u32) -> usize { x as usize }
|
||||
| ^^^^^^^^^^
|
||||
|
|
@ -156,7 +120,7 @@ LL | const fn foo30_2(x: *mut u32) -> usize { x as usize }
|
|||
= help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable
|
||||
|
||||
error[E0658]: casting pointers to integers in constant functions is unstable
|
||||
--> $DIR/min_const_fn.rs:98:63
|
||||
--> $DIR/min_const_fn.rs:90:63
|
||||
|
|
||||
LL | const fn foo30_2_with_unsafe(x: *mut u32) -> usize { unsafe { x as usize } }
|
||||
| ^^^^^^^^^^
|
||||
|
|
@ -165,7 +129,7 @@ LL | const fn foo30_2_with_unsafe(x: *mut u32) -> usize { unsafe { x as usize }
|
|||
= help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable
|
||||
|
||||
error[E0658]: mutable references are not allowed in constant functions
|
||||
--> $DIR/min_const_fn.rs:101:14
|
||||
--> $DIR/min_const_fn.rs:93:14
|
||||
|
|
||||
LL | const fn inc(x: &mut i32) { *x += 1 }
|
||||
| ^
|
||||
|
|
@ -174,7 +138,7 @@ LL | const fn inc(x: &mut i32) { *x += 1 }
|
|||
= help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:110:6
|
||||
--> $DIR/min_const_fn.rs:102:6
|
||||
|
|
||||
LL | impl<T: std::fmt::Debug> Foo<T> {
|
||||
| ^
|
||||
|
|
@ -183,7 +147,7 @@ LL | impl<T: std::fmt::Debug> Foo<T> {
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:115:6
|
||||
--> $DIR/min_const_fn.rs:107:6
|
||||
|
|
||||
LL | impl<T: std::fmt::Debug + Sized> Foo<T> {
|
||||
| ^
|
||||
|
|
@ -192,7 +156,7 @@ LL | impl<T: std::fmt::Debug + Sized> Foo<T> {
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:120:6
|
||||
--> $DIR/min_const_fn.rs:112:6
|
||||
|
|
||||
LL | impl<T: Sync + Sized> Foo<T> {
|
||||
| ^
|
||||
|
|
@ -201,7 +165,7 @@ LL | impl<T: Sync + Sized> Foo<T> {
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:126:34
|
||||
--> $DIR/min_const_fn.rs:118:34
|
||||
|
|
||||
LL | const fn no_apit2(_x: AlanTuring<impl std::fmt::Debug>) {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -210,7 +174,7 @@ LL | const fn no_apit2(_x: AlanTuring<impl std::fmt::Debug>) {}
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:128:22
|
||||
--> $DIR/min_const_fn.rs:120:22
|
||||
|
|
||||
LL | const fn no_apit(_x: impl std::fmt::Debug) {}
|
||||
| ^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -219,7 +183,7 @@ LL | const fn no_apit(_x: impl std::fmt::Debug) {}
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:129:23
|
||||
--> $DIR/min_const_fn.rs:121:23
|
||||
|
|
||||
LL | const fn no_dyn_trait(_x: &dyn std::fmt::Debug) {}
|
||||
| ^^
|
||||
|
|
@ -228,7 +192,7 @@ LL | const fn no_dyn_trait(_x: &dyn std::fmt::Debug) {}
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:130:32
|
||||
--> $DIR/min_const_fn.rs:122:32
|
||||
|
|
||||
LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -237,7 +201,7 @@ LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
|
||||
--> $DIR/min_const_fn.rs:135:41
|
||||
--> $DIR/min_const_fn.rs:127:41
|
||||
|
|
||||
LL | const fn really_no_traits_i_mean_it() { (&() as &dyn std::fmt::Debug, ()).1 }
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
|
@ -246,7 +210,7 @@ LL | const fn really_no_traits_i_mean_it() { (&() as &dyn std::fmt::Debug, ()).1
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: function pointers in const fn are unstable
|
||||
--> $DIR/min_const_fn.rs:138:21
|
||||
--> $DIR/min_const_fn.rs:130:21
|
||||
|
|
||||
LL | const fn no_fn_ptrs(_x: fn()) {}
|
||||
| ^^
|
||||
|
|
@ -255,7 +219,7 @@ LL | const fn no_fn_ptrs(_x: fn()) {}
|
|||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error[E0723]: function pointers in const fn are unstable
|
||||
--> $DIR/min_const_fn.rs:140:27
|
||||
--> $DIR/min_const_fn.rs:132:27
|
||||
|
|
||||
LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
|
||||
| ^^^^
|
||||
|
|
@ -263,7 +227,7 @@ LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
|
|||
= note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
|
||||
= help: add `#![feature(const_fn)]` to the crate attributes to enable
|
||||
|
||||
error: aborting due to 30 previous errors
|
||||
error: aborting due to 26 previous errors
|
||||
|
||||
Some errors have detailed explanations: E0013, E0493, E0658, E0723.
|
||||
For more information about an error, try `rustc --explain E0013`.
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
we're apparently really bad at it",
|
||||
issue = "none")]
|
||||
|
||||
#![feature(const_fn, foo, foo2)]
|
||||
#![feature(const_fn, const_fn_floating_point_arithmetic, foo, foo2)]
|
||||
#![feature(staged_api)]
|
||||
|
||||
#[stable(feature = "rust1", since = "1.0.0")]
|
||||
|
|
@ -25,9 +25,9 @@ const fn bar2() -> u32 { foo2() } //~ ERROR not yet stable as a const fn
|
|||
|
||||
#[stable(feature = "rust1", since = "1.0.0")]
|
||||
#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
|
||||
// conformity is required, even with `const_fn` feature gate
|
||||
// Const-stable functions cannot rely on unstable const-eval features.
|
||||
const fn bar3() -> u32 { (5f32 + 6f32) as u32 }
|
||||
//~^ ERROR const-stable function cannot use `#[feature(const_fn)]`
|
||||
//~^ ERROR const-stable function cannot use `#[feature(const_fn_floating_point_arithmetic)]`
|
||||
|
||||
// check whether this function cannot be called even with the feature gate active
|
||||
#[unstable(feature = "foo2", issue = "none")]
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ LL | const fn bar2() -> u32 { foo2() }
|
|||
|
|
||||
= help: Const-stable functions can only call other const-stable functions
|
||||
|
||||
error: const-stable function cannot use `#[feature(const_fn)]`
|
||||
error: const-stable function cannot use `#[feature(const_fn_floating_point_arithmetic)]`
|
||||
--> $DIR/min_const_fn_libstd_stability.rs:29:26
|
||||
|
|
||||
LL | const fn bar3() -> u32 { (5f32 + 6f32) as u32 }
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
we're apparently really bad at it",
|
||||
issue = "none")]
|
||||
|
||||
#![feature(const_fn, foo, foo2)]
|
||||
#![feature(const_fn, const_fn_floating_point_arithmetic, foo, foo2)]
|
||||
#![feature(staged_api)]
|
||||
|
||||
#[stable(feature = "rust1", since = "1.0.0")]
|
||||
|
|
@ -27,7 +27,7 @@ const unsafe fn bar2() -> u32 { unsafe { foo2() } } //~ ERROR not yet stable as
|
|||
#[rustc_const_stable(feature = "rust1", since = "1.0.0")]
|
||||
// conformity is required, even with `const_fn` feature gate
|
||||
const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 }
|
||||
//~^ ERROR const-stable function cannot use `#[feature(const_fn)]`
|
||||
//~^ ERROR const-stable function cannot use `#[feature(const_fn_floating_point_arithmetic)]`
|
||||
|
||||
// check whether this function cannot be called even with the feature gate active
|
||||
#[unstable(feature = "foo2", issue = "none")]
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ LL | const unsafe fn bar2() -> u32 { unsafe { foo2() } }
|
|||
|
|
||||
= help: Const-stable functions can only call other const-stable functions
|
||||
|
||||
error: const-stable function cannot use `#[feature(const_fn)]`
|
||||
error: const-stable function cannot use `#[feature(const_fn_floating_point_arithmetic)]`
|
||||
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:29:33
|
||||
|
|
||||
LL | const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 }
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue