nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-24 07:44:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Never stop due to errors before borrow checking

Browse Source
This commit is contained in:
Esteban Küber 2019-04-15 12:54:18 -07:00
parent c21fbfe7e3
commit 6e723c24a8
49 changed files with 409 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/librustc_interface/passes.rs
View File

@ -936,13 +936,6 @@ fn analysis<'tcx>(
});
});
// Abort so we don't try to construct MIR with liveness errors.
// We also won't want to continue with errors from rvalue promotion
// We only do so if the only error found so far *isn't* a missing `fn main()`
if !(entry_point.is_none() && sess.err_count() == 1) {
tcx.sess.abort_if_errors();
}
time(sess, "borrow checking", || {
if tcx.use_ast_borrowck() {
borrowck::check_crate(tcx);

4
src/librustc_mir/hair/pattern/check_match.rs
View File

@ -603,7 +603,9 @@ fn check_legality_of_move_bindings(
E0009,
"cannot bind by-move and by-ref in the same pattern",
);
err.span_label(by_ref_span.unwrap(), "both by-ref and by-move used");
if let Some(by_ref_span) = by_ref_span {
err.span_label(by_ref_span, "both by-ref and by-move used");
}
for span in span_vec.iter(){
err.span_label(*span, "by-move pattern here");
}

4
src/librustc_mir/transform/qualify_consts.rs
View File

@ -1502,9 +1502,11 @@ impl MirPass for QualifyAndPromoteConstants {
tcx.sess,
span,
E0723,
"{} (see issue #57563)",
"{}",
err,
);
diag.note("for more information, see issue \
https://github.com/rust-lang/rust/issues/57563");
diag.help(
"add #![feature(const_fn)] to the crate attributes to enable",
);

8
src/test/ui/borrowck/borrowck-mutate-in-guard.rs
View File

@ -9,9 +9,15 @@ fn foo() -> isize {
match x {
Enum::A(_) if { x = Enum::B(false); false } => 1,
//~^ ERROR cannot assign in a pattern guard
//~| WARN cannot assign `x` in match guard
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1,
//~^ ERROR cannot mutably borrow in a pattern guard
//~^^ ERROR cannot assign in a pattern guard
//~| ERROR cannot assign in a pattern guard
//~| WARN cannot mutably borrow `x` in match guard
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
Enum::A(p) => *p,
Enum::B(_) => 2,
}

29
src/test/ui/borrowck/borrowck-mutate-in-guard.stderr
View File

@ -5,7 +5,7 @@ LL | Enum::A(_) if { x = Enum::B(false); false } => 1,
| ^^^^^^^^^^^^^^^^^^ assignment in pattern guard
error[E0301]: cannot mutably borrow in a pattern guard
--> $DIR/borrowck-mutate-in-guard.rs:12:38
--> $DIR/borrowck-mutate-in-guard.rs:15:38
|
LL | Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1,
| ^ borrowed mutably in pattern guard
@ -13,12 +13,35 @@ LL | Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1,
= help: add #![feature(bind_by_move_pattern_guards)] to the crate attributes to enable
error[E0302]: cannot assign in a pattern guard
--> $DIR/borrowck-mutate-in-guard.rs:12:41
--> $DIR/borrowck-mutate-in-guard.rs:15:41
|
LL | Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1,
| ^^^^^^^^^^^^^^^^^^^ assignment in pattern guard
warning[E0510]: cannot assign `x` in match guard
--> $DIR/borrowck-mutate-in-guard.rs:10:25
|
LL | match x {
| - value is immutable in match guard
LL | Enum::A(_) if { x = Enum::B(false); false } => 1,
| ^^^^^^^^^^^^^^^^^^ cannot assign
|
= 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
warning[E0510]: cannot mutably borrow `x` in match guard
--> $DIR/borrowck-mutate-in-guard.rs:15:33
|
LL | match x {
| - value is immutable in match guard
...
LL | Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1,
| ^^^^^^ cannot mutably borrow
|
= 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: aborting due to 3 previous errors
Some errors have detailed explanations: E0301, E0302.
Some errors have detailed explanations: E0301, E0302, E0510.
For more information about an error, try `rustc --explain E0301`.

8
src/test/ui/consts/const_let_refutable.rs
View File

@ -1,5 +1,11 @@
fn main() {}
const fn slice([a, b]: &[i32]) -> i32 { //~ ERROR refutable pattern in function argument
a + b
a + b //~ ERROR can only call other `const fn` within a `const fn`
//~^ WARN use of possibly uninitialized variable: `a`
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
//~| WARN use of possibly uninitialized variable: `b`
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
}

32
src/test/ui/consts/const_let_refutable.stderr
View File

@ -4,6 +4,34 @@ error[E0005]: refutable pattern in function argument: `&[]` not covered
LL | const fn slice([a, b]: &[i32]) -> i32 {
| ^^^^^^ pattern `&[]` not covered
error: aborting due to previous error
error[E0723]: can only call other `const fn` within a `const fn`, but `const std::ops::Add::add` is not stable as `const fn`
--> $DIR/const_let_refutable.rs:4:5
|
LL | a + b
| ^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
For more information about this error, try `rustc --explain E0005`.
warning[E0381]: use of possibly uninitialized variable: `a`
--> $DIR/const_let_refutable.rs:4:5
|
LL | a + b
| ^ use of possibly uninitialized `a`
|
= 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
warning[E0381]: use of possibly uninitialized variable: `b`
--> $DIR/const_let_refutable.rs:4:9
|
LL | a + b
| ^ use of possibly uninitialized `b`
|
= 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: aborting due to 2 previous errors
Some errors have detailed explanations: E0005, E0381, E0723.
For more information about an error, try `rustc --explain E0005`.

12
src/test/ui/consts/match_ice.stderr
View File

@ -1,11 +1,17 @@
error[E0004]: non-exhaustive patterns: `&S` not covered
--> $DIR/match_ice.rs:7:11
--> $DIR/match_ice.rs:8:11
|
LL | match C {
| ^ pattern `&S` not covered
|
= help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
error: aborting due to previous error
error[E0277]: can't compare `S` with `S`
|
= help: the trait `std::cmp::PartialEq` is not implemented for `S`
= note: required because of the requirements on the impl of `std::cmp::PartialEq` for `&S`
For more information about this error, try `rustc --explain E0004`.
error: aborting due to 2 previous errors
Some errors occurred: E0004, E0277.
For more information about an error, try `rustc --explain E0004`.

3
src/test/ui/consts/min_const_fn/bad_const_fn_body_ice.stderr
View File

@ -1,9 +1,10 @@
error[E0723]: heap allocations are not allowed in const fn (see issue #57563)
error[E0723]: heap allocations are not allowed in const fn
--> $DIR/bad_const_fn_body_ice.rs:2:5
|
LL | vec![1, 2, 3]
| ^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)

15
src/test/ui/consts/min_const_fn/cast_errors.stderr
View File

@ -1,41 +1,46 @@
error[E0723]: unsizing casts are not allowed in const fn (see issue #57563)
error[E0723]: unsizing casts are not allowed in const fn
--> $DIR/cast_errors.rs:3:41
|
LL | const fn unsize(x: &[u8; 3]) -> &[u8] { x }
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/cast_errors.rs:5:23
|
LL | const fn closure() -> fn() { || {} }
| ^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/cast_errors.rs:8:5
|
LL | (|| {}) as fn();
| ^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/cast_errors.rs:11:28
|
LL | const fn reify(f: fn()) -> unsafe fn() { f }
| ^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/cast_errors.rs:13:21
|
LL | const fn reify2() { main as unsafe fn(); }
| ^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 5 previous errors

3
src/test/ui/consts/min_const_fn/cmp_fn_pointers.stderr
View File

@ -1,9 +1,10 @@
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/cmp_fn_pointers.rs:1:14
|
LL | const fn cmp(x: fn(), y: fn()) -> bool {
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to previous error

3
src/test/ui/consts/min_const_fn/loop_ice.stderr
View File

@ -1,9 +1,10 @@
error[E0723]: loops are not allowed in const fn (see issue #57563)
error[E0723]: loops are not allowed in const fn
--> $DIR/loop_ice.rs:2:5
|
LL | loop {}
| ^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to previous error

99
src/test/ui/consts/min_const_fn/min_const_fn.stderr
View File

@ -4,12 +4,13 @@ error[E0493]: destructors cannot be evaluated at compile-time
LL | const fn into_inner(self) -> T { self.0 }
| ^^^^ constant functions cannot evaluate destructors
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/min_const_fn.rs:39:36
|
LL | const fn get_mut(&mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0493]: destructors cannot be evaluated at compile-time
@ -18,12 +19,13 @@ error[E0493]: destructors cannot be evaluated at compile-time
LL | const fn into_inner_lt(self) -> T { self.0 }
| ^^^^ constant functions cannot evaluate destructors
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/min_const_fn.rs:46:42
|
LL | const fn get_mut_lt(&'a mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0493]: destructors cannot be evaluated at compile-time
@ -32,228 +34,256 @@ error[E0493]: destructors cannot be evaluated at compile-time
LL | const fn into_inner_s(self) -> T { self.0 }
| ^^^^ constant functions cannot evaluate destructors
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/min_const_fn.rs:53:38
|
LL | const fn get_mut_s(&mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/min_const_fn.rs:58:39
|
LL | const fn get_mut_sq(&mut self) -> &mut T { &mut self.0 }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:76:16
|
LL | const fn foo11<T: std::fmt::Display>(t: T) -> T { t }
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:78:18
|
LL | const fn foo11_2<T: Send>(t: T) -> T { t }
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: only int, `bool` and `char` operations are stable in const fn
--> $DIR/min_const_fn.rs:80:33
|
LL | const fn foo19(f: f32) -> f32 { f * 2.0 }
| ^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
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: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: only int and `bool` operations are stable in const fn
--> $DIR/min_const_fn.rs:84:35
|
LL | const fn foo19_3(f: f32) -> f32 { -f }
| ^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
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: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: cannot access `static` items in const fn (see issue #57563)
error[E0723]: cannot access `static` items in const fn
--> $DIR/min_const_fn.rs:90:27
|
LL | const fn foo25() -> u32 { BAR }
| ^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: cannot access `static` items in const fn (see issue #57563)
error[E0723]: cannot access `static` items in const fn
--> $DIR/min_const_fn.rs:91:36
|
LL | const fn foo26() -> &'static u32 { &BAR }
| ^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: casting pointers to ints is unstable in const fn
--> $DIR/min_const_fn.rs:92:42
|
LL | const fn foo30(x: *const u32) -> usize { x as usize }
| ^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: casting pointers to ints is unstable in const fn
--> $DIR/min_const_fn.rs:94:63
|
LL | const fn foo30_with_unsafe(x: *const u32) -> usize { unsafe { x as usize } }
| ^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: casting pointers to ints is unstable in const fn
--> $DIR/min_const_fn.rs:96:42
|
LL | const fn foo30_2(x: *mut u32) -> usize { x as usize }
| ^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: casting pointers to ints is unstable in const fn
--> $DIR/min_const_fn.rs:98:63
|
LL | const fn foo30_2_with_unsafe(x: *mut u32) -> usize { unsafe { x as usize } }
| ^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn
--> $DIR/min_const_fn.rs:100:38
|
LL | const fn foo30_4(b: bool) -> usize { if b { 1 } else { 42 } }
| ^^^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn
--> $DIR/min_const_fn.rs:102:29
|
LL | const fn foo30_5(b: bool) { while b { } }
| ^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn
--> $DIR/min_const_fn.rs:104:44
|
LL | const fn foo36(a: bool, b: bool) -> bool { a && b }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn
--> $DIR/min_const_fn.rs:106:44
|
LL | const fn foo37(a: bool, b: bool) -> bool { a || b }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/min_const_fn.rs:108:14
|
LL | const fn inc(x: &mut i32) { *x += 1 }
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:113:6
|
LL | impl<T: std::fmt::Debug> Foo<T> {
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:118:6
|
LL | impl<T: std::fmt::Debug + Sized> Foo<T> {
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:123:6
|
LL | impl<T: Sync + Sized> Foo<T> {
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: `impl Trait` in const fn is unstable (see issue #57563)
error[E0723]: `impl Trait` in const fn is unstable
--> $DIR/min_const_fn.rs:129:24
|
LL | const fn no_rpit2() -> AlanTuring<impl std::fmt::Debug> { AlanTuring(0) }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:131:34
|
LL | const fn no_apit2(_x: AlanTuring<impl std::fmt::Debug>) {}
| ^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:133:22
|
LL | const fn no_apit(_x: impl std::fmt::Debug) {}
| ^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: `impl Trait` in const fn is unstable (see issue #57563)
error[E0723]: `impl Trait` in const fn is unstable
--> $DIR/min_const_fn.rs:134:23
|
LL | const fn no_rpit() -> impl std::fmt::Debug {}
| ^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:135:23
|
LL | const fn no_dyn_trait(_x: &dyn std::fmt::Debug) {}
| ^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:136:32
|
LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
warning[E0515]: cannot return reference to temporary value
@ -268,28 +298,31 @@ LL | const fn no_dyn_trait_ret() -> &'static dyn std::fmt::Debug { &() }
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn.rs:144:41
|
LL | const fn really_no_traits_i_mean_it() { (&() as &std::fmt::Debug, ()).1 }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/min_const_fn.rs:147:21
|
LL | const fn no_fn_ptrs(_x: fn()) {}
| ^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/min_const_fn.rs:149:27
|
LL | const fn no_fn_ptrs2() -> fn() { fn foo() {} foo }
| ^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 36 previous errors

6
src/test/ui/consts/min_const_fn/min_const_fn_dyn.stderr
View File

@ -1,17 +1,19 @@
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable (see issue #57563)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn_dyn.rs:9:5
|
LL | x.0.field;
| ^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> $DIR/min_const_fn_dyn.rs:12:66
|
LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasDyn { field: &0 }) }
| ^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
warning[E0716]: temporary value dropped while borrowed

6
src/test/ui/consts/min_const_fn/min_const_fn_fn_ptr.stderr
View File

@ -1,17 +1,19 @@
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/min_const_fn_fn_ptr.rs:11:5
|
LL | x.0.field;
| ^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/min_const_fn_fn_ptr.rs:14:59
|
LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasPtr { field }) }
| ^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 2 previous errors

12
src/test/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr
View File

@ -1,33 +1,37 @@
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo` is not stable as `const fn`
--> $DIR/min_const_fn_libstd_stability.rs:15:25
|
LL | const fn bar() -> u32 { foo() }
| ^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2` is not stable as `const fn`
--> $DIR/min_const_fn_libstd_stability.rs:22:26
|
LL | const fn bar2() -> u32 { foo2() }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: only int, `bool` and `char` operations are stable in const fn
--> $DIR/min_const_fn_libstd_stability.rs:26:26
|
LL | const fn bar3() -> u32 { (5f32 + 6f32) as u32 }
| ^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2_gated` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2_gated` is not stable as `const fn`
--> $DIR/min_const_fn_libstd_stability.rs:34:32
|
LL | const fn bar2_gated() -> u32 { foo2_gated() }
| ^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 4 previous errors

12
src/test/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr
View File

@ -1,33 +1,37 @@
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo` is not stable as `const fn`
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:15:41
|
LL | const unsafe fn bar() -> u32 { unsafe { foo() } }
| ^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2` is not stable as `const fn`
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:22:42
|
LL | const unsafe fn bar2() -> u32 { unsafe { foo2() } }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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)
error[E0723]: only int, `bool` and `char` operations are stable in const fn
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:26:33
|
LL | const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 }
| ^^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2_gated` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2_gated` is not stable as `const fn`
--> $DIR/min_const_unsafe_fn_libstd_stability.rs:34:48
|
LL | const unsafe fn bar2_gated() -> u32 { unsafe { foo2_gated() } }
| ^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 4 previous errors

9
src/test/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability2.stderr
View File

@ -1,25 +1,28 @@
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo` is not stable as `const fn`
--> $DIR/min_const_unsafe_fn_libstd_stability2.rs:15:32
|
LL | const unsafe fn bar() -> u32 { foo() }
| ^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2` is not stable as `const fn`
--> $DIR/min_const_unsafe_fn_libstd_stability2.rs:22:33
|
LL | const unsafe fn bar2() -> u32 { foo2() }
| ^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2_gated` is not stable as `const fn` (see issue #57563)
error[E0723]: can only call other `const fn` within a `const fn`, but `const foo2_gated` is not stable as `const fn`
--> $DIR/min_const_unsafe_fn_libstd_stability2.rs:30:39
|
LL | const unsafe fn bar2_gated() -> u32 { foo2_gated() }
| ^^^^^^^^^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 3 previous errors

6
src/test/ui/consts/min_const_fn/mutable_borrow.stderr
View File

@ -1,17 +1,19 @@
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/mutable_borrow.rs:3:9
|
LL | let b = &mut a;
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/mutable_borrow.rs:12:13
|
LL | let b = &mut a;
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 2 previous errors

3
src/test/ui/consts/single_variant_match_ice.stderr
View File

@ -10,12 +10,13 @@ error[E0019]: constant contains unimplemented expression type
LL | x => 42,
| ^
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn (see issue #57563)
error[E0723]: `if`, `match`, `&&` and `||` are not stable in const fn
--> $DIR/single_variant_match_ice.rs:18:13
|
LL | Prob => 0x1,
| ^^^^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to 3 previous errors

3
src/test/ui/empty/empty-never-array.rs
View File

@ -10,6 +10,9 @@ fn transmute<T, U>(t: T) -> U {
let Helper::U(u) = Helper::T(t, []);
//~^ ERROR refutable pattern in local binding: `T(_, _)` not covered
u
//~^ WARN use of possibly uninitialized variable: `u`
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
}
fn main() {

12
src/test/ui/empty/empty-never-array.stderr
View File

@ -11,6 +11,16 @@ LL | | }
LL | let Helper::U(u) = Helper::T(t, []);
| ^^^^^^^^^^^^ pattern `T(_, _)` not covered
warning[E0381]: use of possibly uninitialized variable: `u`
--> $DIR/empty-never-array.rs:12:5
|
LL | u
| ^ use of possibly uninitialized `u`
|
= 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: aborting due to previous error
For more information about this error, try `rustc --explain E0005`.
Some errors have detailed explanations: E0005, E0381.
For more information about an error, try `rustc --explain E0005`.

1
src/test/ui/error-codes/E0007.rs
View File

@ -4,6 +4,7 @@ fn main() {
op_string @ Some(s) => {},
//~^ ERROR E0007
//~| ERROR E0303
//~| ERROR E0382
None => {},
}
}

16
src/test/ui/error-codes/E0007.stderr
View File

@ -10,7 +10,19 @@ error[E0303]: pattern bindings are not allowed after an `@`
LL | op_string @ Some(s) => {},
| ^ not allowed after `@`
error: aborting due to 2 previous errors
error[E0382]: use of moved value
--> $DIR/E0007.rs:4:26
|
LL | let x = Some("s".to_string());
| - move occurs because `x` has type `std::option::Option<std::string::String>`, which does not implement the `Copy` trait
LL | match x {
LL | op_string @ Some(s) => {},
| -----------------^-
| | |
| | value used here after move
| value moved here
Some errors have detailed explanations: E0007, E0303.
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0007, E0303, E0382.
For more information about an error, try `rustc --explain E0007`.

1
src/test/ui/error-codes/E0030-teach.rs
View File

@ -4,5 +4,6 @@ fn main() {
match 5u32 {
1000 ..= 5 => {}
//~^ ERROR lower range bound must be less than or equal to upper
//~| ERROR lower range bound must be less than or equal to upper
}
}

8
src/test/ui/error-codes/E0030-teach.stderr
View File

@ -6,6 +6,12 @@ LL | 1000 ..= 5 => {}
|
= note: When matching against a range, the compiler verifies that the range is non-empty. Range patterns include both end-points, so this is equivalent to requiring the start of the range to be less than or equal to the end of the range.
error: aborting due to previous error
error[E0030]: lower range bound must be less than or equal to upper
--> $DIR/E0030-teach.rs:5:9
|
LL | 1000 ..= 5 => {}
| ^^^^ lower bound larger than upper bound
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0030`.

2
src/test/ui/error-codes/E0301.rs
View File

@ -2,6 +2,6 @@ fn main() {
match Some(()) {
None => { },
option if option.take().is_none() => {}, //~ ERROR E0301
Some(_) => { }
Some(_) => { } //~^ ERROR E0596
}
}

13
src/test/ui/error-codes/E0301.stderr
View File

@ -6,6 +6,15 @@ LL | option if option.take().is_none() => {},
|
= help: add #![feature(bind_by_move_pattern_guards)] to the crate attributes to enable
error: aborting due to previous error
error[E0596]: cannot borrow `option` as mutable, as it is immutable for the pattern guard
--> $DIR/E0301.rs:4:19
|
LL | option if option.take().is_none() => {},
| ^^^^^^ cannot borrow as mutable
|
= note: variables bound in patterns are immutable until the end of the pattern guard
For more information about this error, try `rustc --explain E0301`.
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0301, E0596.
For more information about an error, try `rustc --explain E0301`.

1
src/test/ui/error-codes/E0302.rs
View File

@ -2,6 +2,7 @@ fn main() {
match Some(()) {
None => { },
option if { option = None; false } => { }, //~ ERROR E0302
//~^ ERROR cannot assign to `option`, as it is immutable for the pattern guard
Some(_) => { }
}
}

10
src/test/ui/error-codes/E0302.stderr
View File

@ -4,6 +4,14 @@ error[E0302]: cannot assign in a pattern guard
LL | option if { option = None; false } => { },
| ^^^^^^^^^^^^^ assignment in pattern guard
error: aborting due to previous error
error[E0594]: cannot assign to `option`, as it is immutable for the pattern guard
--> $DIR/E0302.rs:4:21
|
LL | option if { option = None; false } => { },
| ^^^^^^^^^^^^^ cannot assign
|
= note: variables bound in patterns are immutable until the end of the pattern guard
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0302`.

3
src/test/ui/issues/issue-15381.rs
View File

@ -4,5 +4,8 @@ fn main() {
for &[x,y,z] in values.chunks(3).filter(|&xs| xs.len() == 3) {
//~^ ERROR refutable pattern in `for` loop binding: `&[]` not covered
println!("y={}", y);
//~^ WARN borrow of possibly uninitialized variable: `y`
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
}
}

12
src/test/ui/issues/issue-15381.stderr
View File

@ -4,6 +4,16 @@ error[E0005]: refutable pattern in `for` loop binding: `&[]` not covered
LL | for &[x,y,z] in values.chunks(3).filter(|&xs| xs.len() == 3) {
| ^^^^^^^^ pattern `&[]` not covered
warning[E0381]: borrow of possibly uninitialized variable: `y`
--> $DIR/issue-15381.rs:6:26
|
LL | println!("y={}", y);
| ^ use of possibly uninitialized `y`
|
= 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: aborting due to previous error
For more information about this error, try `rustc --explain E0005`.
Some errors have detailed explanations: E0005, E0381.
For more information about an error, try `rustc --explain E0005`.

1
src/test/ui/issues/issue-23302-3.rs
View File

@ -1,4 +1,5 @@
const A: i32 = B; //~ ERROR cycle detected
//~^ ERROR cycle detected
const B: i32 = A;

24
src/test/ui/issues/issue-23302-3.stderr
View File

@ -10,18 +10,36 @@ note: ...which requires checking which parts of `A` are promotable to static...
LL | const A: i32 = B;
| ^
note: ...which requires const checking if rvalue is promotable to static `B`...
--> $DIR/issue-23302-3.rs:3:1
--> $DIR/issue-23302-3.rs:4:1
|
LL | const B: i32 = A;
| ^^^^^^^^^^^^^^^^^
note: ...which requires checking which parts of `B` are promotable to static...
--> $DIR/issue-23302-3.rs:3:16
--> $DIR/issue-23302-3.rs:4:16
|
LL | const B: i32 = A;
| ^
= note: ...which again requires const checking if rvalue is promotable to static `A`, completing the cycle
= note: cycle used when running analysis passes on this crate
error: aborting due to previous error
error[E0391]: cycle detected when processing `A`
--> $DIR/issue-23302-3.rs:1:16
|
LL | const A: i32 = B;
| ^
|
note: ...which requires processing `B`...
--> $DIR/issue-23302-3.rs:4:16
|
LL | const B: i32 = A;
| ^
= note: ...which again requires processing `A`, completing the cycle
note: cycle used when processing `A`
--> $DIR/issue-23302-3.rs:1:1
|
LL | const A: i32 = B;
| ^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0391`.

3
src/test/ui/issues/issue-37550.stderr
View File

@ -1,9 +1,10 @@
error[E0723]: function pointers in const fn are unstable (see issue #57563)
error[E0723]: function pointers in const fn are unstable
--> $DIR/issue-37550.rs:3:9
|
LL | let x = || t;
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error: aborting due to previous error

2
src/test/ui/issues/issue-41255.rs
View File

@ -9,6 +9,8 @@ fn main() {
match x {
5.0 => {}, //~ ERROR floating-point types cannot be used in patterns
//~| WARNING hard error
//~| ERROR floating-point types cannot be used in patterns
//~| WARNING this was previously accepted by the compiler but is being
5.0f32 => {}, //~ ERROR floating-point types cannot be used in patterns
//~| WARNING hard error
-5.0 => {}, //~ ERROR floating-point types cannot be used in patterns

27
src/test/ui/issues/issue-41255.stderr
View File

@ -13,7 +13,7 @@ LL | #![forbid(illegal_floating_point_literal_pattern)]
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:12:9
--> $DIR/issue-41255.rs:14:9
|
LL | 5.0f32 => {},
| ^^^^^^
@ -22,7 +22,7 @@ LL | 5.0f32 => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:14:10
--> $DIR/issue-41255.rs:16:10
|
LL | -5.0 => {},
| ^^^
@ -31,7 +31,7 @@ LL | -5.0 => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:16:9
--> $DIR/issue-41255.rs:18:9
|
LL | 1.0 .. 33.0 => {},
| ^^^
@ -40,7 +40,7 @@ LL | 1.0 .. 33.0 => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:16:16
--> $DIR/issue-41255.rs:18:16
|
LL | 1.0 .. 33.0 => {},
| ^^^^
@ -49,7 +49,7 @@ LL | 1.0 .. 33.0 => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:20:9
--> $DIR/issue-41255.rs:22:9
|
LL | 39.0 ..= 70.0 => {},
| ^^^^
@ -58,7 +58,7 @@ LL | 39.0 ..= 70.0 => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:20:18
--> $DIR/issue-41255.rs:22:18
|
LL | 39.0 ..= 70.0 => {},
| ^^^^
@ -67,7 +67,7 @@ LL | 39.0 ..= 70.0 => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:29:10
--> $DIR/issue-41255.rs:31:10
|
LL | (3.14, 1) => {},
| ^^^^
@ -76,7 +76,7 @@ LL | (3.14, 1) => {},
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:36:18
--> $DIR/issue-41255.rs:38:18
|
LL | Foo { x: 2.0 } => {},
| ^^^
@ -84,5 +84,14 @@ LL | Foo { x: 2.0 } => {},
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: aborting due to 9 previous errors
error: floating-point types cannot be used in patterns
--> $DIR/issue-41255.rs:10:9
|
LL | 5.0 => {},
| ^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: aborting due to 10 previous errors

2
src/test/ui/issues/issue-6804.rs
View File

@ -10,6 +10,8 @@ fn main() {
match x {
NAN => {}, //~ ERROR floating-point types cannot be used
//~^ WARN this was previously accepted by the compiler but is being phased out
//~| ERROR floating-point types cannot be used in patterns
//~| WARN this was previously accepted by the compiler but is being phased out
_ => {},
};

13
src/test/ui/issues/issue-6804.stderr
View File

@ -13,7 +13,7 @@ LL | #![deny(illegal_floating_point_literal_pattern)]
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: floating-point types cannot be used in patterns
--> $DIR/issue-6804.rs:17:10
--> $DIR/issue-6804.rs:19:10
|
LL | [NAN, _] => {},
| ^^^
@ -21,5 +21,14 @@ LL | [NAN, _] => {},
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: aborting due to 2 previous errors
error: floating-point types cannot be used in patterns
--> $DIR/issue-6804.rs:11:9
|
LL | NAN => {},
| ^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: aborting due to 3 previous errors

9
src/test/ui/match/match-range-fail-dominate.stderr
View File

@ -62,5 +62,14 @@ error: unreachable pattern
LL | 0.02f64 => {}
| ^^^^^^^
warning: floating-point types cannot be used in patterns
--> $DIR/match-range-fail-dominate.rs:35:7
|
LL | 0.01f64 ... 6.5f64 => {}
| ^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: aborting due to 5 previous errors

3
src/test/ui/pattern/pattern-bindings-after-at.rs
View File

@ -7,6 +7,9 @@ fn main() {
match &mut Some(1) {
ref mut z @ &mut Some(ref a) => {
//~^ ERROR pattern bindings are not allowed after an `@`
//~| WARN cannot borrow `_` as immutable because it is also borrowed as mutable
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
**z = None;
println!("{}", *a);
}

18
src/test/ui/pattern/pattern-bindings-after-at.stderr
View File

@ -4,6 +4,22 @@ error[E0303]: pattern bindings are not allowed after an `@`
LL | ref mut z @ &mut Some(ref a) => {
| ^^^^^ not allowed after `@`
warning[E0502]: cannot borrow `_` as immutable because it is also borrowed as mutable
--> $DIR/pattern-bindings-after-at.rs:8:31
|
LL | ref mut z @ &mut Some(ref a) => {
| ----------------------^^^^^-
| | |
| | immutable borrow occurs here
| mutable borrow occurs here
...
LL | **z = None;
| ---------- mutable borrow later used here
|
= 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: aborting due to previous error
For more information about this error, try `rustc --explain E0303`.
Some errors have detailed explanations: E0303, E0502.
For more information about an error, try `rustc --explain E0303`.

3
src/test/ui/recursion/recursive-types-are-not-uninhabited.rs
View File

@ -6,6 +6,9 @@ fn foo(res: Result<u32, &R>) -> u32 {
let Ok(x) = res;
//~^ ERROR refutable pattern
x
//~^ WARN use of possibly uninitialized variable: `x`
//~| WARN this error has been downgraded to a warning for backwards compatibility
//~| WARN this represents potential undefined behavior in your code and this warning will
}
fn main() {

12
src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr
View File

@ -4,6 +4,16 @@ error[E0005]: refutable pattern in local binding: `Err(_)` not covered
LL | let Ok(x) = res;
| ^^^^^ pattern `Err(_)` not covered
warning[E0381]: use of possibly uninitialized variable: `x`
--> $DIR/recursive-types-are-not-uninhabited.rs:8:5
|
LL | x
| ^ use of possibly uninitialized `x`
|
= 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: aborting due to previous error
For more information about this error, try `rustc --explain E0005`.
Some errors have detailed explanations: E0005, E0381.
For more information about an error, try `rustc --explain E0005`.

1
src/test/ui/rfc-2005-default-binding-mode/for.rs
View File

@ -5,5 +5,6 @@ pub fn main() {
// The below desugars to &(ref n, mut m).
for (n, mut m) in &tups {
//~^ ERROR cannot bind by-move and by-ref in the same pattern
//~| ERROR cannot move out of borrowed content
}
}

19
src/test/ui/rfc-2005-default-binding-mode/for.stderr
View File

@ -6,6 +6,21 @@ LL | for (n, mut m) in &tups {
| |
| both by-ref and by-move used
error: aborting due to previous error
error[E0507]: cannot move out of borrowed content
--> $DIR/for.rs:6:23
|
LL | for (n, mut m) in &tups {
| ----- ^^^^^ cannot move out of borrowed content
| |
| data moved here
|
note: move occurs because `m` has type `Foo`, which does not implement the `Copy` trait
--> $DIR/for.rs:6:13
|
LL | for (n, mut m) in &tups {
| ^^^^^
For more information about this error, try `rustc --explain E0009`.
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0009, E0507.
For more information about an error, try `rustc --explain E0009`.

2
src/test/ui/rfc1445/match-forbidden-without-eq.rs
View File

@ -20,6 +20,8 @@ fn main() {
f32::INFINITY => { }
//~^ WARNING floating-point types cannot be used in patterns
//~| WARNING will become a hard error in a future release
//~| WARNING floating-point types cannot be used in patterns
//~| WARNING this was previously accepted by the compiler but is being phased out
_ => { }
}
}

9
src/test/ui/rfc1445/match-forbidden-without-eq.stderr
View File

@ -14,5 +14,14 @@ LL | f32::INFINITY => { }
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
warning: floating-point types cannot be used in patterns
--> $DIR/match-forbidden-without-eq.rs:20:9
|
LL | f32::INFINITY => { }
| ^^^^^^^^^^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
error: aborting due to previous error

6
src/test/ui/unsafe/ranged_ints2_const.stderr
View File

@ -1,17 +1,19 @@
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/ranged_ints2_const.rs:11:9
|
LL | let y = &mut x.0;
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= help: add #![feature(const_fn)] to the crate attributes to enable
error[E0723]: mutable references in const fn are unstable (see issue #57563)
error[E0723]: mutable references in const fn are unstable
--> $DIR/ranged_ints2_const.rs:18:9
|
LL | let y = unsafe { &mut x.0 };
| ^
|
= note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
= 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