Bless ui tests.

Author: cjgillot

tests/ui/consts/const-eval/issue-50814.rs

@@ -14,11 +14,13 @@ struct Sum<A, B>(A, B);
 impl<A: Unsigned, B: Unsigned> Unsigned for Sum<A, B> {
     const MAX: u8 = A::MAX + B::MAX;
     //~^ ERROR evaluation of `<Sum<U8, U8> as Unsigned>::MAX` failed
+    //~| ERROR evaluation of `<Sum<U8, U8> as Unsigned>::MAX` failed
 }
 
 fn foo<T>(_: T) -> &'static u8 {
     &Sum::<U8, U8>::MAX
     //~^ constant
+    //~| constant
 }
 
 fn main() {

tests/ui/consts/const-eval/issue-50814.stderr

@@ -5,17 +5,35 @@ LL |     const MAX: u8 = A::MAX + B::MAX;
    |                     ^^^^^^^^^^^^^^^ attempt to compute `u8::MAX + u8::MAX`, which would overflow
 
 note: erroneous constant used
-  --> $DIR/issue-50814.rs:20:6
+  --> $DIR/issue-50814.rs:21:6
+   |
+LL |     &Sum::<U8, U8>::MAX
+   |      ^^^^^^^^^^^^^^^^^^
+
+note: erroneous constant used
+  --> $DIR/issue-50814.rs:21:5
+   |
+LL |     &Sum::<U8, U8>::MAX
+   |     ^^^^^^^^^^^^^^^^^^^
+
+error[E0080]: evaluation of `<Sum<U8, U8> as Unsigned>::MAX` failed
+  --> $DIR/issue-50814.rs:15:21
+   |
+LL |     const MAX: u8 = A::MAX + B::MAX;
+   |                     ^^^^^^^^^^^^^^^ attempt to compute `u8::MAX + u8::MAX`, which would overflow
+
+note: erroneous constant used
+  --> $DIR/issue-50814.rs:21:6
    |
 LL |     &Sum::<U8, U8>::MAX
    |      ^^^^^^^^^^^^^^^^^^
 
 note: the above error was encountered while instantiating `fn foo::<i32>`
-  --> $DIR/issue-50814.rs:25:5
+  --> $DIR/issue-50814.rs:27:5
    |
 LL |     foo(0);
    |     ^^^^^^
 
-error: aborting due to previous error
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0080`.