New upstream version 1.34.2+dfsg1

[rustc.git] / src / test / ui / consts / min_const_fn / min_const_fn.nll.stderr

error[E0493]: destructors cannot be evaluated at compile-time
  --> $DIR/min_const_fn.rs:37:25
   |
LL |     const fn into_inner(self) -> T { self.0 } //~ destructors cannot be evaluated
   |                         ^^^^ constant functions cannot evaluate destructors

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
   |
LL |     const fn into_inner_lt(self) -> T { self.0 } //~ destructors cannot be evaluated
   |                            ^^^^ constant functions cannot evaluate destructors

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
   |
LL |     const fn into_inner_s(self) -> T { self.0 } //~ ERROR destructors
   |                           ^^^^ constant functions cannot evaluate destructors

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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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[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

warning[E0515]: cannot return reference to temporary value
  --> $DIR/min_const_fn.rs:136:63
   |
LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
   |                                                               ^--
   |                                                               ||
   |                                                               |temporary value created here
   |                                                               returns a reference to data owned by the current function
   |
   = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
   = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future

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[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[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

Some errors occurred: E0493, E0515, E0723.
For more information about an error, try `rustc --explain E0493`.