Avoid output dependency on std spans

src/test/ui/issues/issue-21950.rs

@@ -1,8 +1,13 @@
-use std::ops::Add;
+trait Add<Rhs=Self> {
+    type Output;
+}
+
+impl Add for i32 {
+    type Output = i32;
+}
 
 fn main() {
-    let x = &10 as
+    let x = &10 as &dyn Add;
-            &dyn Add;
     //~^ ERROR E0393
     //~| ERROR E0191
 }

src/test/ui/issues/issue-21950.stderr

@@ -1,26 +1,23 @@
 error[E0393]: the type parameter `Rhs` must be explicitly specified
-  --> $DIR/issue-21950.rs:5:18
+  --> $DIR/issue-21950.rs:10:25
    |
-LL |               &dyn Add;
+LL | / trait Add<Rhs=Self> {
-   |                    ^^^ help: set the type parameter to the desired type: `Add<Rhs>`
-   | 
-  ::: $SRC_DIR/libcore/ops/arith.rs:LL:COL
-   |
-LL | / pub trait Add<Rhs = Self> {
-LL | |     /// The resulting type after applying the `+` operator.
-LL | |     #[stable(feature = "rust1", since = "1.0.0")]
 LL | |     type Output;
-...  |
-LL | |     fn add(self, rhs: Rhs) -> Self::Output;
 LL | | }
    | |_- type parameter `Rhs` must be specified for this
+...
+LL |       let x = &10 as &dyn Add;
+   |                           ^^^ help: set the type parameter to the desired type: `Add<Rhs>`
    |
    = note: because of the default `Self` reference, type parameters must be specified on object types
 
-error[E0191]: the value of the associated type `Output` (from trait `std::ops::Add`) must be specified
+error[E0191]: the value of the associated type `Output` (from trait `Add`) must be specified
-  --> $DIR/issue-21950.rs:5:18
+  --> $DIR/issue-21950.rs:10:25
    |
-LL |             &dyn Add;
+LL |     type Output;
+   |     ------------ `Output` defined here
+...
+LL |     let x = &10 as &dyn Add;
    |                         ^^^ help: specify the associated type: `Add<Output = Type>`
 
 error: aborting due to 2 previous errors

src/test/ui/issues/issue-22560.rs

@@ -1,10 +1,15 @@
-use std::ops::{Add, Sub};
+trait Add<Rhs=Self> {
+    type Output;
+}
 
-type Test = dyn Add +
+trait Sub<Rhs=Self> {
-            //~^ ERROR E0393
+    type Output;
-            //~| ERROR E0191
+}
-            Sub;
+
-            //~^ ERROR E0393
+type Test = dyn Add + Sub;
-            //~| ERROR E0225
+//~^ ERROR E0393
+//~| ERROR E0191
+//~| ERROR E0393
+//~| ERROR E0225
 
 fn main() { }

src/test/ui/issues/issue-22560.stderr

@@ -1,65 +1,51 @@
 error[E0393]: the type parameter `Rhs` must be explicitly specified
-  --> $DIR/issue-22560.rs:6:13
+  --> $DIR/issue-22560.rs:9:23
    |
-LL |               Sub;
+LL | / trait Sub<Rhs=Self> {
-   |               ^^^ help: set the type parameter to the desired type: `Sub<Rhs>`
-   | 
-  ::: $SRC_DIR/libcore/ops/arith.rs:LL:COL
-   |
-LL | / pub trait Sub<Rhs = Self> {
-LL | |     /// The resulting type after applying the `-` operator.
-LL | |     #[stable(feature = "rust1", since = "1.0.0")]
 LL | |     type Output;
-...  |
-LL | |     fn sub(self, rhs: Rhs) -> Self::Output;
 LL | | }
    | |_- type parameter `Rhs` must be specified for this
+LL | 
+LL |   type Test = dyn Add + Sub;
+   |                         ^^^ help: set the type parameter to the desired type: `Sub<Rhs>`
    |
    = note: because of the default `Self` reference, type parameters must be specified on object types
 
 error[E0393]: the type parameter `Rhs` must be explicitly specified
-  --> $DIR/issue-22560.rs:3:17
+  --> $DIR/issue-22560.rs:9:17
    |
-LL |   type Test = dyn Add +
+LL | / trait Add<Rhs=Self> {
-   |                   ^^^ help: set the type parameter to the desired type: `Add<Rhs>`
-   | 
-  ::: $SRC_DIR/libcore/ops/arith.rs:LL:COL
-   |
-LL | / pub trait Add<Rhs = Self> {
-LL | |     /// The resulting type after applying the `+` operator.
-LL | |     #[stable(feature = "rust1", since = "1.0.0")]
 LL | |     type Output;
-...  |
-LL | |     fn add(self, rhs: Rhs) -> Self::Output;
 LL | | }
    | |_- type parameter `Rhs` must be specified for this
+...
+LL |   type Test = dyn Add + Sub;
+   |                   ^^^ help: set the type parameter to the desired type: `Add<Rhs>`
    |
    = note: because of the default `Self` reference, type parameters must be specified on object types
 
 error[E0225]: only auto traits can be used as additional traits in a trait object
-  --> $DIR/issue-22560.rs:6:13
+  --> $DIR/issue-22560.rs:9:23
    |
-LL | type Test = dyn Add +
+LL | type Test = dyn Add + Sub;
-   |                 ---
+   |                 ---   ^^^
-   |                 |
+   |                 |     |
+   |                 |     additional non-auto trait
+   |                 |     trait alias used in trait object type (additional use)
    |                 first non-auto trait
    |                 trait alias used in trait object type (first use)
-...
-LL |             Sub;
-   |             ^^^
-   |             |
-   |             additional non-auto trait
-   |             trait alias used in trait object type (additional use)
 
-error[E0191]: the value of the associated types `Output` (from trait `std::ops::Add`), `Output` (from trait `std::ops::Sub`) must be specified
+error[E0191]: the value of the associated types `Output` (from trait `Add`), `Output` (from trait `Sub`) must be specified
-  --> $DIR/issue-22560.rs:3:13
+  --> $DIR/issue-22560.rs:9:13
    |
-LL |   type Test = dyn Add +
+LL |     type Output;
-   |  _____________^
+   |     ------------ `Output` defined here
-LL | |
+...
-LL | |
+LL |     type Output;
-LL | |             Sub;
+   |     ------------ `Output` defined here
-   | |_______________^ associated types `Output`, `Output` must be specified
+...
+LL | type Test = dyn Add + Sub;
+   |             ^^^^^^^^^^^^^ associated types `Output`, `Output` must be specified
 
 error: aborting due to 4 previous errors