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Remove impl trait bindings handling on const AST lowering

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This commit is contained in:
Santiago Pastorino 2021-07-14 16:17:56 -03:00
parent bc106ebb5a
commit 4d2d90307d
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GPG Key ID: 8131A24E0C79EFAF
8 changed files with 104 additions and 238 deletions
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12
compiler/rustc_ast_lowering/src/item.rs
View File

@ -484,17 +484,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
span: Span,
body: Option<&Expr>,
) -> (&'hir hir::Ty<'hir>, hir::BodyId) {
let mut capturable_lifetimes;
let itctx = if self.sess.features_untracked().impl_trait_in_bindings {
capturable_lifetimes = FxHashSet::default();
ImplTraitContext::TypeAliasesOpaqueTy {
capturable_lifetimes: &mut capturable_lifetimes,
origin: hir::OpaqueTyOrigin::Misc,
}
} else {
ImplTraitContext::Disallowed(ImplTraitPosition::Binding)
};
let ty = self.lower_ty(ty, itctx);
let ty = self.lower_ty(ty, ImplTraitContext::Disallowed(ImplTraitPosition::Binding));
(ty, self.lower_const_body(span, body))
}

116
src/test/ui/associated-type-bounds/duplicate.full_tait.stderr
View File

@ -232,55 +232,7 @@ LL | fn FAPIT3(_: impl Iterator<Item: 'static, Item: 'static>) {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:73:39
|
LL | const CIT1: impl Iterator<Item: Copy, Item: Send> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:75:39
|
LL | const CIT2: impl Iterator<Item: Copy, Item: Copy> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:77:42
|
LL | const CIT3: impl Iterator<Item: 'static, Item: 'static> = iter::empty();
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:79:40
|
LL | static SIT1: impl Iterator<Item: Copy, Item: Send> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:81:40
|
LL | static SIT2: impl Iterator<Item: Copy, Item: Copy> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:83:43
|
LL | static SIT3: impl Iterator<Item: 'static, Item: 'static> = iter::empty();
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:86:35
--> $DIR/duplicate.rs:73:35
|
LL | type TAI1<T: Iterator<Item: Copy, Item: Send>> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -288,7 +240,7 @@ LL | type TAI1<T: Iterator<Item: Copy, Item: Send>> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:88:35
--> $DIR/duplicate.rs:75:35
|
LL | type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -296,7 +248,7 @@ LL | type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:90:38
--> $DIR/duplicate.rs:77:38
|
LL | type TAI3<T: Iterator<Item: 'static, Item: 'static>> = T;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -304,7 +256,7 @@ LL | type TAI3<T: Iterator<Item: 'static, Item: 'static>> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:92:44
--> $DIR/duplicate.rs:79:44
|
LL | type TAW1<T> where T: Iterator<Item: Copy, Item: Send> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -312,7 +264,7 @@ LL | type TAW1<T> where T: Iterator<Item: Copy, Item: Send> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:94:44
--> $DIR/duplicate.rs:81:44
|
LL | type TAW2<T> where T: Iterator<Item: Copy, Item: Copy> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -320,7 +272,7 @@ LL | type TAW2<T> where T: Iterator<Item: Copy, Item: Copy> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:96:47
--> $DIR/duplicate.rs:83:47
|
LL | type TAW3<T> where T: Iterator<Item: 'static, Item: 'static> = T;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -328,7 +280,7 @@ LL | type TAW3<T> where T: Iterator<Item: 'static, Item: 'static> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:99:36
--> $DIR/duplicate.rs:86:36
|
LL | type ETAI1<T: Iterator<Item: Copy, Item: Send>> = impl Copy;
| ---------- ^^^^^^^^^^ re-bound here
@ -336,7 +288,7 @@ LL | type ETAI1<T: Iterator<Item: Copy, Item: Send>> = impl Copy;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:101:36
--> $DIR/duplicate.rs:88:36
|
LL | type ETAI2<T: Iterator<Item: Copy, Item: Copy>> = impl Copy;
| ---------- ^^^^^^^^^^ re-bound here
@ -344,7 +296,7 @@ LL | type ETAI2<T: Iterator<Item: Copy, Item: Copy>> = impl Copy;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:103:39
--> $DIR/duplicate.rs:90:39
|
LL | type ETAI3<T: Iterator<Item: 'static, Item: 'static>> = impl Copy;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -352,7 +304,7 @@ LL | type ETAI3<T: Iterator<Item: 'static, Item: 'static>> = impl Copy;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:105:40
--> $DIR/duplicate.rs:92:40
|
LL | type ETAI4 = impl Iterator<Item: Copy, Item: Send>;
| ---------- ^^^^^^^^^^ re-bound here
@ -360,7 +312,7 @@ LL | type ETAI4 = impl Iterator<Item: Copy, Item: Send>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:107:40
--> $DIR/duplicate.rs:94:40
|
LL | type ETAI5 = impl Iterator<Item: Copy, Item: Copy>;
| ---------- ^^^^^^^^^^ re-bound here
@ -368,7 +320,7 @@ LL | type ETAI5 = impl Iterator<Item: Copy, Item: Copy>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:109:43
--> $DIR/duplicate.rs:96:43
|
LL | type ETAI6 = impl Iterator<Item: 'static, Item: 'static>;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -376,7 +328,7 @@ LL | type ETAI6 = impl Iterator<Item: 'static, Item: 'static>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:112:36
--> $DIR/duplicate.rs:99:36
|
LL | trait TRI1<T: Iterator<Item: Copy, Item: Send>> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -384,7 +336,7 @@ LL | trait TRI1<T: Iterator<Item: Copy, Item: Send>> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:114:36
--> $DIR/duplicate.rs:101:36
|
LL | trait TRI2<T: Iterator<Item: Copy, Item: Copy>> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -392,7 +344,7 @@ LL | trait TRI2<T: Iterator<Item: Copy, Item: Copy>> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:116:39
--> $DIR/duplicate.rs:103:39
|
LL | trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -400,7 +352,7 @@ LL | trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:118:34
--> $DIR/duplicate.rs:105:34
|
LL | trait TRS1: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -408,7 +360,7 @@ LL | trait TRS1: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:120:34
--> $DIR/duplicate.rs:107:34
|
LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -416,7 +368,7 @@ LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:122:37
--> $DIR/duplicate.rs:109:37
|
LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -424,7 +376,7 @@ LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:124:45
--> $DIR/duplicate.rs:111:45
|
LL | trait TRW1<T> where T: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -432,7 +384,7 @@ LL | trait TRW1<T> where T: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:126:45
--> $DIR/duplicate.rs:113:45
|
LL | trait TRW2<T> where T: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -440,7 +392,7 @@ LL | trait TRW2<T> where T: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:128:48
--> $DIR/duplicate.rs:115:48
|
LL | trait TRW3<T> where T: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -448,7 +400,7 @@ LL | trait TRW3<T> where T: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:130:46
--> $DIR/duplicate.rs:117:46
|
LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -456,7 +408,7 @@ LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:130:46
--> $DIR/duplicate.rs:117:46
|
LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -464,7 +416,7 @@ LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:133:46
--> $DIR/duplicate.rs:120:46
|
LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -472,7 +424,7 @@ LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:133:46
--> $DIR/duplicate.rs:120:46
|
LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -480,7 +432,7 @@ LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:136:49
--> $DIR/duplicate.rs:123:49
|
LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -488,7 +440,7 @@ LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:136:49
--> $DIR/duplicate.rs:123:49
|
LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -496,7 +448,7 @@ LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:146:40
--> $DIR/duplicate.rs:133:40
|
LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
| ---------- ^^^^^^^^^^ re-bound here
@ -504,7 +456,7 @@ LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:148:44
--> $DIR/duplicate.rs:135:44
|
LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>;
| ---------- ^^^^^^^^^^ re-bound here
@ -512,7 +464,7 @@ LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:150:43
--> $DIR/duplicate.rs:137:43
|
LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -520,7 +472,7 @@ LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:139:43
--> $DIR/duplicate.rs:126:43
|
LL | trait TRA1 { type A: Iterator<Item: Copy, Item: Send>; }
| ---------- ^^^^^^^^^^ re-bound here
@ -528,7 +480,7 @@ LL | trait TRA1 { type A: Iterator<Item: Copy, Item: Send>; }
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:141:43
--> $DIR/duplicate.rs:128:43
|
LL | trait TRA2 { type A: Iterator<Item: Copy, Item: Copy>; }
| ---------- ^^^^^^^^^^ re-bound here
@ -536,13 +488,13 @@ LL | trait TRA2 { type A: Iterator<Item: Copy, Item: Copy>; }
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:143:46
--> $DIR/duplicate.rs:130:46
|
LL | trait TRA3 { type A: Iterator<Item: 'static, Item: 'static>; }
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error: aborting due to 66 previous errors; 2 warnings emitted
error: aborting due to 60 previous errors; 2 warnings emitted
For more information about this error, try `rustc --explain E0719`.

116
src/test/ui/associated-type-bounds/duplicate.min_tait.stderr
View File

@ -224,55 +224,7 @@ LL | fn FAPIT3(_: impl Iterator<Item: 'static, Item: 'static>) {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:73:39
|
LL | const CIT1: impl Iterator<Item: Copy, Item: Send> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:75:39
|
LL | const CIT2: impl Iterator<Item: Copy, Item: Copy> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:77:42
|
LL | const CIT3: impl Iterator<Item: 'static, Item: 'static> = iter::empty();
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:79:40
|
LL | static SIT1: impl Iterator<Item: Copy, Item: Send> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:81:40
|
LL | static SIT2: impl Iterator<Item: Copy, Item: Copy> = iter::empty();
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:83:43
|
LL | static SIT3: impl Iterator<Item: 'static, Item: 'static> = iter::empty();
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:86:35
--> $DIR/duplicate.rs:73:35
|
LL | type TAI1<T: Iterator<Item: Copy, Item: Send>> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -280,7 +232,7 @@ LL | type TAI1<T: Iterator<Item: Copy, Item: Send>> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:88:35
--> $DIR/duplicate.rs:75:35
|
LL | type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -288,7 +240,7 @@ LL | type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:90:38
--> $DIR/duplicate.rs:77:38
|
LL | type TAI3<T: Iterator<Item: 'static, Item: 'static>> = T;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -296,7 +248,7 @@ LL | type TAI3<T: Iterator<Item: 'static, Item: 'static>> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:92:44
--> $DIR/duplicate.rs:79:44
|
LL | type TAW1<T> where T: Iterator<Item: Copy, Item: Send> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -304,7 +256,7 @@ LL | type TAW1<T> where T: Iterator<Item: Copy, Item: Send> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:94:44
--> $DIR/duplicate.rs:81:44
|
LL | type TAW2<T> where T: Iterator<Item: Copy, Item: Copy> = T;
| ---------- ^^^^^^^^^^ re-bound here
@ -312,7 +264,7 @@ LL | type TAW2<T> where T: Iterator<Item: Copy, Item: Copy> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:96:47
--> $DIR/duplicate.rs:83:47
|
LL | type TAW3<T> where T: Iterator<Item: 'static, Item: 'static> = T;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -320,7 +272,7 @@ LL | type TAW3<T> where T: Iterator<Item: 'static, Item: 'static> = T;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:99:36
--> $DIR/duplicate.rs:86:36
|
LL | type ETAI1<T: Iterator<Item: Copy, Item: Send>> = impl Copy;
| ---------- ^^^^^^^^^^ re-bound here
@ -328,7 +280,7 @@ LL | type ETAI1<T: Iterator<Item: Copy, Item: Send>> = impl Copy;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:101:36
--> $DIR/duplicate.rs:88:36
|
LL | type ETAI2<T: Iterator<Item: Copy, Item: Copy>> = impl Copy;
| ---------- ^^^^^^^^^^ re-bound here
@ -336,7 +288,7 @@ LL | type ETAI2<T: Iterator<Item: Copy, Item: Copy>> = impl Copy;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:103:39
--> $DIR/duplicate.rs:90:39
|
LL | type ETAI3<T: Iterator<Item: 'static, Item: 'static>> = impl Copy;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -344,7 +296,7 @@ LL | type ETAI3<T: Iterator<Item: 'static, Item: 'static>> = impl Copy;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:105:40
--> $DIR/duplicate.rs:92:40
|
LL | type ETAI4 = impl Iterator<Item: Copy, Item: Send>;
| ---------- ^^^^^^^^^^ re-bound here
@ -352,7 +304,7 @@ LL | type ETAI4 = impl Iterator<Item: Copy, Item: Send>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:107:40
--> $DIR/duplicate.rs:94:40
|
LL | type ETAI5 = impl Iterator<Item: Copy, Item: Copy>;
| ---------- ^^^^^^^^^^ re-bound here
@ -360,7 +312,7 @@ LL | type ETAI5 = impl Iterator<Item: Copy, Item: Copy>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:109:43
--> $DIR/duplicate.rs:96:43
|
LL | type ETAI6 = impl Iterator<Item: 'static, Item: 'static>;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -368,7 +320,7 @@ LL | type ETAI6 = impl Iterator<Item: 'static, Item: 'static>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:112:36
--> $DIR/duplicate.rs:99:36
|
LL | trait TRI1<T: Iterator<Item: Copy, Item: Send>> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -376,7 +328,7 @@ LL | trait TRI1<T: Iterator<Item: Copy, Item: Send>> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:114:36
--> $DIR/duplicate.rs:101:36
|
LL | trait TRI2<T: Iterator<Item: Copy, Item: Copy>> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -384,7 +336,7 @@ LL | trait TRI2<T: Iterator<Item: Copy, Item: Copy>> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:116:39
--> $DIR/duplicate.rs:103:39
|
LL | trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -392,7 +344,7 @@ LL | trait TRI3<T: Iterator<Item: 'static, Item: 'static>> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:118:34
--> $DIR/duplicate.rs:105:34
|
LL | trait TRS1: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -400,7 +352,7 @@ LL | trait TRS1: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:120:34
--> $DIR/duplicate.rs:107:34
|
LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -408,7 +360,7 @@ LL | trait TRS2: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:122:37
--> $DIR/duplicate.rs:109:37
|
LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -416,7 +368,7 @@ LL | trait TRS3: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:124:45
--> $DIR/duplicate.rs:111:45
|
LL | trait TRW1<T> where T: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -424,7 +376,7 @@ LL | trait TRW1<T> where T: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:126:45
--> $DIR/duplicate.rs:113:45
|
LL | trait TRW2<T> where T: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -432,7 +384,7 @@ LL | trait TRW2<T> where T: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:128:48
--> $DIR/duplicate.rs:115:48
|
LL | trait TRW3<T> where T: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -440,7 +392,7 @@ LL | trait TRW3<T> where T: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:130:46
--> $DIR/duplicate.rs:117:46
|
LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -448,7 +400,7 @@ LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:130:46
--> $DIR/duplicate.rs:117:46
|
LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -456,7 +408,7 @@ LL | trait TRSW1 where Self: Iterator<Item: Copy, Item: Send> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:133:46
--> $DIR/duplicate.rs:120:46
|
LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -464,7 +416,7 @@ LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:133:46
--> $DIR/duplicate.rs:120:46
|
LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| ---------- ^^^^^^^^^^ re-bound here
@ -472,7 +424,7 @@ LL | trait TRSW2 where Self: Iterator<Item: Copy, Item: Copy> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:136:49
--> $DIR/duplicate.rs:123:49
|
LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -480,7 +432,7 @@ LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:136:49
--> $DIR/duplicate.rs:123:49
|
LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -488,7 +440,7 @@ LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:146:40
--> $DIR/duplicate.rs:133:40
|
LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
| ---------- ^^^^^^^^^^ re-bound here
@ -496,7 +448,7 @@ LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:148:44
--> $DIR/duplicate.rs:135:44
|
LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>;
| ---------- ^^^^^^^^^^ re-bound here
@ -504,7 +456,7 @@ LL | type TADyn2 = Box<dyn Iterator<Item: Copy, Item: Copy>>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:150:43
--> $DIR/duplicate.rs:137:43
|
LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
| ------------- ^^^^^^^^^^^^^ re-bound here
@ -512,7 +464,7 @@ LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:139:43
--> $DIR/duplicate.rs:126:43
|
LL | trait TRA1 { type A: Iterator<Item: Copy, Item: Send>; }
| ---------- ^^^^^^^^^^ re-bound here
@ -520,7 +472,7 @@ LL | trait TRA1 { type A: Iterator<Item: Copy, Item: Send>; }
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:141:43
--> $DIR/duplicate.rs:128:43
|
LL | trait TRA2 { type A: Iterator<Item: Copy, Item: Copy>; }
| ---------- ^^^^^^^^^^ re-bound here
@ -528,13 +480,13 @@ LL | trait TRA2 { type A: Iterator<Item: Copy, Item: Copy>; }
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:143:46
--> $DIR/duplicate.rs:130:46
|
LL | trait TRA3 { type A: Iterator<Item: 'static, Item: 'static>; }
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error: aborting due to 66 previous errors; 1 warning emitted
error: aborting due to 60 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0719`.

13
src/test/ui/associated-type-bounds/duplicate.rs
View File

@ -70,19 +70,6 @@ fn FAPIT2(_: impl Iterator<Item: Copy, Item: Copy>) {}
fn FAPIT3(_: impl Iterator<Item: 'static, Item: 'static>) {}
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
const CIT1: impl Iterator<Item: Copy, Item: Send> = iter::empty();
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
const CIT2: impl Iterator<Item: Copy, Item: Copy> = iter::empty();
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
const CIT3: impl Iterator<Item: 'static, Item: 'static> = iter::empty();
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
static SIT1: impl Iterator<Item: Copy, Item: Send> = iter::empty();
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
static SIT2: impl Iterator<Item: Copy, Item: Copy> = iter::empty();
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
static SIT3: impl Iterator<Item: 'static, Item: 'static> = iter::empty();
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
type TAI1<T: Iterator<Item: Copy, Item: Send>> = T;
//~^ ERROR the value of the associated type `Item` (from trait `Iterator`) is already specified [E0719]
type TAI2<T: Iterator<Item: Copy, Item: Copy>> = T;

30
src/test/ui/impl-trait/bindings.rs
View File

@ -1,30 +0,0 @@
#![feature(impl_trait_in_bindings)]
//~^ WARN the feature `impl_trait_in_bindings` is incomplete
fn a<T: Clone>(x: T) {
const foo: impl Clone = x;
//~^ ERROR attempt to use a non-constant value in a constant
}
fn b<T: Clone>(x: T) {
let _ = move || {
const foo: impl Clone = x;
//~^ ERROR attempt to use a non-constant value in a constant
};
}
trait Foo<T: Clone> {
fn a(x: T) {
const foo: impl Clone = x;
//~^ ERROR attempt to use a non-constant value in a constant
}
}
impl<T: Clone> Foo<T> for i32 {
fn a(x: T) {
const foo: impl Clone = x;
//~^ ERROR attempt to use a non-constant value in a constant
}
}
fn main() { }

37
src/test/ui/impl-trait/bindings.stderr
View File

@ -30,6 +30,38 @@ LL | const foo: impl Clone = x;
| |
| help: consider using `let` instead of `const`: `let foo`
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/bindings.rs:5:16
|
LL | const foo: impl Clone = x;
| ^^^^^^^^^^
|
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/bindings.rs:11:20
|
LL | const foo: impl Clone = x;
| ^^^^^^^^^^
|
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/bindings.rs:18:20
|
LL | const foo: impl Clone = x;
| ^^^^^^^^^^
|
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/bindings.rs:25:20
|
LL | const foo: impl Clone = x;
| ^^^^^^^^^^
|
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
warning: the feature `impl_trait_in_bindings` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/bindings.rs:1:12
|
@ -39,6 +71,7 @@ LL | #![feature(impl_trait_in_bindings)]
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #63065 <https://github.com/rust-lang/rust/issues/63065> for more information
error: aborting due to 4 previous errors; 1 warning emitted
error: aborting due to 8 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0435`.
Some errors have detailed explanations: E0435, E0562.
For more information about an error, try `rustc --explain E0435`.

10
src/test/ui/pattern/issue-71042-opaquely-typed-constant-used-in-pattern.rs
View File

@ -1,10 +0,0 @@
#![feature(impl_trait_in_bindings)]
#![allow(incomplete_features)]
fn main() {
const C: impl Copy = 0;
match C {
C | //~ ERROR: `impl Copy` cannot be used in patterns
_ => {}
}
}

8
src/test/ui/pattern/issue-71042-opaquely-typed-constant-used-in-pattern.stderr
View File

@ -1,8 +0,0 @@
error: `impl Copy` cannot be used in patterns
--> $DIR/issue-71042-opaquely-typed-constant-used-in-pattern.rs:7:9
|
LL | C |
| ^
error: aborting due to previous error