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Update const fn tests

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This commit is contained in:
varkor 2019-02-05 21:27:44 +01:00
parent 2c339aeb7b
commit feb3408f11
14 changed files with 202 additions and 65 deletions
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4
src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.stderr
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@ -1,10 +1,12 @@
error: heap allocations are not allowed in const fn
error[E0723]: heap allocations are not allowed in const fn (see issue #57563)
--> $DIR/bad_const_fn_body_ice.rs:2:5
|
LL | vec![1, 2, 3] //~ ERROR heap allocations are not allowed in const fn
| ^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: aborting due to previous error
For more information about this error, try `rustc --explain E0723`.

21
src/test/ui/consts/min_const_fn/cast_errors.stderr
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@ -1,32 +1,43 @@
error: unsizing casts are not allowed in const fn
error[E0723]: unsizing casts are not allowed in const fn (see issue #57563)
--> $DIR/cast_errors.rs:3:41
|
LL | const fn unsize(x: &[u8; 3]) -> &[u8] { x }
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/cast_errors.rs:5:23
|
LL | const fn closure() -> fn() { || {} }
| ^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/cast_errors.rs:8:5
|
LL | (|| {}) as fn();
| ^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/cast_errors.rs:11:28
|
LL | const fn reify(f: fn()) -> unsafe fn() { f }
| ^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/cast_errors.rs:13:21
|
LL | const fn reify2() { main as unsafe fn(); }
| ^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0723`.

5
src/test/ui/consts/min_const_fn/cmp_fn_pointers.stderr
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@ -1,8 +1,11 @@
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/cmp_fn_pointers.rs:1:14
|
LL | const fn cmp(x: fn(), y: fn()) -> bool { //~ ERROR function pointers in const fn are unstable
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to previous error
For more information about this error, try `rustc --explain E0723`.

5
src/test/ui/consts/min_const_fn/loop_ice.stderr
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@ -1,8 +1,11 @@
error: loops are not allowed in const fn
error[E0723]: loops are not allowed in const fn (see issue #57563)
--> $DIR/loop_ice.rs:2:5
|
LL | loop {} //~ ERROR loops are not allowed in const fn
| ^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to previous error
For more information about this error, try `rustc --explain E0723`.

135
src/test/ui/consts/min_const_fn/min_const_fn.stderr
View File

@ -4,11 +4,13 @@ error[E0493]: destructors cannot be evaluated at compile-time
LL | const fn into_inner(self) -> T { self.0 } //~ destructors cannot be evaluated
| ^^^^ constant functions cannot evaluate destructors
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:39:36
|
LL | const fn get_mut(&mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0493]: destructors cannot be evaluated at compile-time
--> $DIR/min_const_fn.rs:44:28
@ -16,11 +18,13 @@ error[E0493]: destructors cannot be evaluated at compile-time
LL | const fn into_inner_lt(self) -> T { self.0 } //~ destructors cannot be evaluated
| ^^^^ constant functions cannot evaluate destructors
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:46:42
|
LL | const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0493]: destructors cannot be evaluated at compile-time
--> $DIR/min_const_fn.rs:51:27
@ -28,192 +32,255 @@ error[E0493]: destructors cannot be evaluated at compile-time
LL | const fn into_inner_s(self) -> T { self.0 } //~ ERROR destructors
| ^^^^ constant functions cannot evaluate destructors
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:53:38
|
LL | const fn get_mut_s(&mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:58:39
|
LL | const fn get_mut_sq(&mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:76:16
|
LL | const fn foo11<T: std::fmt::Display>(t: T) -> T { t }
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:78:18
|
LL | const fn foo11_2<T: Send>(t: T) -> T { t }
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: only int, `bool` and `char` operations are stable in const fn
error[E0723]: only int, `bool` and `char` operations are stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:80:33
|
LL | const fn foo19(f: f32) -> f32 { f * 2.0 }
| ^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: only int, `bool` and `char` operations are stable in const fn
error[E0723]: only int, `bool` and `char` operations are stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:82:35
|
LL | const fn foo19_2(f: f32) -> f32 { 2.0 - f }
| ^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: only int and `bool` operations are stable in const fn
error[E0723]: only int and `bool` operations are stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:84:35
|
LL | const fn foo19_3(f: f32) -> f32 { -f }
| ^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: only int, `bool` and `char` operations are stable in const fn
error[E0723]: only int, `bool` and `char` operations are stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:86:43
|
LL | const fn foo19_4(f: f32, g: f32) -> f32 { f / g }
| ^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: cannot access `static` items in const fn
error[E0723]: cannot access `static` items in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:90:27
|
LL | const fn foo25() -> u32 { BAR } //~ ERROR cannot access `static` items in const fn
| ^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: cannot access `static` items in const fn
error[E0723]: cannot access `static` items in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:91:36
|
LL | const fn foo26() -> &'static u32 { &BAR } //~ ERROR cannot access `static` items
| ^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: casting pointers to ints is unstable in const fn
error[E0723]: casting pointers to ints is unstable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:92:42
|
LL | const fn foo30(x: *const u32) -> usize { x as usize }
| ^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: casting pointers to ints is unstable in const fn
error[E0723]: casting pointers to ints is unstable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:94:63
|
LL | const fn foo30_with_unsafe(x: *const u32) -> usize { unsafe { x as usize } }
| ^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: casting pointers to ints is unstable in const fn
error[E0723]: casting pointers to ints is unstable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:96:42
|
LL | const fn foo30_2(x: *mut u32) -> usize { x as usize }
| ^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: casting pointers to ints is unstable in const fn
error[E0723]: casting pointers to ints is unstable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:98:63
|
LL | const fn foo30_2_with_unsafe(x: *mut u32) -> usize { unsafe { x as usize } }
| ^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: `if`, `match`, `&&` and `||` are not stable in const fn
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:100:38
|
LL | const fn foo30_4(b: bool) -> usize { if b { 1 } else { 42 } }
| ^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: `if`, `match`, `&&` and `||` are not stable in const fn
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:102:29
|
LL | const fn foo30_5(b: bool) { while b { } } //~ ERROR not stable in const fn
| ^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: `if`, `match`, `&&` and `||` are not stable in const fn
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:104:44
|
LL | const fn foo36(a: bool, b: bool) -> bool { a && b }
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: `if`, `match`, `&&` and `||` are not stable in const fn
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn (see issue #57563)
--> $DIR/min_const_fn.rs:106:44
|
LL | const fn foo37(a: bool, b: bool) -> bool { a || b }
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:108:14
|
LL | const fn inc(x: &mut i32) { *x += 1 }
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:113:6
|
LL | impl<T: std::fmt::Debug> Foo<T> {
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:118:6
|
LL | impl<T: std::fmt::Debug + Sized> Foo<T> {
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:123:6
|
LL | impl<T: Sync + Sized> Foo<T> {
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: `impl Trait` in const fn is unstable
error[E0723]: `impl Trait` in const fn is unstable (see issue #57563)
--> $DIR/min_const_fn.rs:129:24
|
LL | const fn no_rpit2() -> AlanTuring<impl std::fmt::Debug> { AlanTuring(0) }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:131:34
|
LL | const fn no_apit2(_x: AlanTuring<impl std::fmt::Debug>) {}
| ^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:133:22
|
LL | const fn no_apit(_x: impl std::fmt::Debug) {} //~ ERROR trait bounds other than `Sized`
| ^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: `impl Trait` in const fn is unstable
error[E0723]: `impl Trait` in const fn is unstable (see issue #57563)
--> $DIR/min_const_fn.rs:134:23
|
LL | const fn no_rpit() -> impl std::fmt::Debug {} //~ ERROR `impl Trait` in const fn is unstable
| ^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:135:23
|
LL | const fn no_dyn_trait(_x: &dyn std::fmt::Debug) {} //~ ERROR trait bounds other than `Sized`
| ^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:136:32
|
LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:141:41
|
LL | const fn really_no_traits_i_mean_it() { (&() as &std::fmt::Debug, ()).1 }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:144:21
|
LL | const fn no_fn_ptrs(_x: fn()) {}
| ^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn.rs:146:27
|
LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
| ^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 36 previous errors
For more information about this error, try `rustc --explain E0493`.
Some errors occurred: E0493, E0723.
For more information about an error, try `rustc --explain E0493`.

9
src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr
View File

@ -1,14 +1,19 @@
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn_dyn.rs:9:5
|
LL | x.0.field;
| ^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: trait bounds other than `Sized` on const fn parameters are unstable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
--> $DIR/min_const_fn_dyn.rs:12:66
|
LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasDyn { field: &0 }) }
| ^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0723`.

9
src/test/ui/consts/min_const_fn/min_const_fn_fn_ptr.stderr
View File

@ -1,14 +1,19 @@
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn_fn_ptr.rs:11:5
|
LL | x.0.field;
| ^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/min_const_fn_fn_ptr.rs:14:59
|
LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasPtr { field }) }
| ^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0723`.

17
src/test/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr
View File

@ -1,26 +1,35 @@
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_fn_libstd_stability.rs:15:25
|
LL | const fn bar() -> u32 { foo() } //~ ERROR can only call other `min_const_fn`
| ^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_fn_libstd_stability.rs:22:26
|
LL | const fn bar2() -> u32 { foo2() } //~ ERROR can only call other `min_const_fn`
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: only int, `bool` and `char` operations are stable in const fn
error[E0723]: only int, `bool` and `char` operations are stable in const fn (see issue #57563)
--> $DIR/min_const_fn_libstd_stability.rs:26:26
|
LL | const fn bar3() -> u32 { (5f32 + 6f32) as u32 } //~ ERROR only int, `bool` and `char` operations
| ^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_fn_libstd_stability.rs:34:32
|
LL | const fn bar2_gated() -> u32 { foo2_gated() } //~ ERROR can only call other `min_const_fn`
| ^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0723`.

17
src/test/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr
View File

@ -1,26 +1,35 @@
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:15:41
|
LL | const unsafe fn bar() -> u32 { unsafe { foo() } } //~ ERROR can only call other `min_const_fn`
| ^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:22:42
|
LL | const unsafe fn bar2() -> u32 { unsafe { foo2() } } //~ ERROR can only call other `min_const_fn`
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: only int, `bool` and `char` operations are stable in const fn
error[E0723]: only int, `bool` and `char` operations are stable in const fn (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:26:33
|
LL | const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 } //~ ERROR only int, `bool` and `char` op
| ^^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:34:48
|
LL | const unsafe fn bar2_gated() -> u32 { unsafe { foo2_gated() } } //~ ERROR can only call other
| ^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0723`.

13
src/test/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability2.stderr
View File

@ -1,20 +1,27 @@
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability2.rs:15:32
|
LL | const unsafe fn bar() -> u32 { foo() } //~ ERROR can only call other `min_const_fn`
| ^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability2.rs:22:33
|
LL | const unsafe fn bar2() -> u32 { foo2() } //~ ERROR can only call other `min_const_fn`
| ^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: can only call other `min_const_fn` within a `min_const_fn`
error[E0723]: can only call other `min_const_fn` within a `min_const_fn` (see issue #57563)
--> $DIR/min_const_unsafe_fn_libstd_stability2.rs:30:39
|
LL | const unsafe fn bar2_gated() -> u32 { foo2_gated() } //~ ERROR can only call other `min_const_fn`
| ^^^^^^^^^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0723`.

9
src/test/ui/consts/min_const_fn/mutable_borrow.stderr
View File

@ -1,14 +1,19 @@
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/mutable_borrow.rs:3:9
|
LL | let b = &mut a; //~ ERROR mutable references in const fn
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/mutable_borrow.rs:12:13
|
LL | let b = &mut a; //~ ERROR mutable references in const fn
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0723`.

7
src/test/ui/consts/single_variant_match_ice.stderr
View File

@ -10,12 +10,15 @@ error[E0019]: constant contains unimplemented expression type
LL | x => 42, //~ ERROR unimplemented expression type
| ^
error: `if`, `match`, `&&` and `||` are not stable in const fn
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn (see issue #57563)
--> $DIR/single_variant_match_ice.rs:18:13
|
LL | Prob => 0x1, //~ ERROR `if`, `match`, `&&` and `||` are not stable in const fn
| ^^^^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0019`.
Some errors occurred: E0019, E0723.
For more information about an error, try `rustc --explain E0019`.

5
src/test/ui/issues/issue-37550.stderr
View File

@ -1,8 +1,11 @@
error: function pointers in const fn are unstable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
--> $DIR/issue-37550.rs:3:9
|
LL | let x = || t; //~ ERROR function pointers in const fn are unstable
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to previous error
For more information about this error, try `rustc --explain E0723`.

11
src/test/ui/unsafe/ranged_ints2_const.stderr
View File

@ -1,14 +1,18 @@
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/ranged_ints2_const.rs:11:9
|
LL | let y = &mut x.0; //~ ERROR references in const fn are unstable
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error: mutable references in const fn are unstable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
--> $DIR/ranged_ints2_const.rs:18:9
|
LL | let y = unsafe { &mut x.0 }; //~ ERROR mutable references in const fn are unstable
| ^
|
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0133]: mutation of layout constrained field is unsafe and requires unsafe function or block
--> $DIR/ranged_ints2_const.rs:11:13
@ -20,4 +24,5 @@ LL | let y = &mut x.0; //~ ERROR references in const fn are unstable
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0133`.
Some errors occurred: E0133, E0723.
For more information about an error, try `rustc --explain E0133`.