Make some ui/parser tests compile-pass

src/test/ui/parser/bounds-obj-parens.rs

@@ -8,9 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-pass
 // compile-flags: -Z parse-only
 
 type A = Box<(Fn(D::Error) -> E) + 'static + Send + Sync>; // OK (but see #39318)
-
-FAIL
-//~^ ERROR

src/test/ui/parser/bounds-obj-parens.stderr

@@ -1,8 +0,0 @@
-error: expected one of `!` or `::`, found `<eof>`
-  --> $DIR/bounds-obj-parens.rs:15:1
-   |
-LL | FAIL
-   | ^^^^ expected one of `!` or `::` here
-
-error: aborting due to previous error
-

src/test/ui/parser/impl-qpath.rs

@@ -8,11 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-pass
 // compile-flags: -Z parse-only
 
 impl <*const u8>::AssocTy {} // OK
 impl <Type as Trait>::AssocTy {} // OK
 impl <'a + Trait>::AssocTy {} // OK
 impl <<Type>::AssocTy>::AssocTy {} // OK
-
-FAIL //~ ERROR

src/test/ui/parser/impl-qpath.stderr

@@ -1,8 +0,0 @@
-error: expected one of `!` or `::`, found `<eof>`
-  --> $DIR/impl-qpath.rs:18:1
-   |
-LL | FAIL //~ ERROR
-   | ^^^^ expected one of `!` or `::` here
-
-error: aborting due to previous error
-

src/test/ui/parser/trailing-plus-in-bounds.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-pass
 // compile-flags: -Z parse-only -Z continue-parse-after-error
 
 use std::fmt::Debug;
@@ -15,6 +16,3 @@ use std::fmt::Debug;
 fn main() {
     let x: Box<Debug+> = box 3 as Box<Debug+>; // Trailing `+` is OK
 }
-
-FAIL
-//~^ ERROR

src/test/ui/parser/trailing-plus-in-bounds.stderr

@@ -1,8 +0,0 @@
-error: expected one of `!` or `::`, found `<eof>`
-  --> $DIR/trailing-plus-in-bounds.rs:19:1
-   |
-LL | FAIL
-   | ^^^^ expected one of `!` or `::` here
-
-error: aborting due to previous error
-

src/test/ui/parser/trait-object-trait-parens.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-pass
 // compile-flags: -Z parse-only
 
 fn f<T: (Copy) + (?Sized) + (for<'a> Trait<'a>)>() {}
@@ -17,5 +18,3 @@ fn main() {
     let _: Box<(?Sized) + (for<'a> Trait<'a>) + (Copy)>;
     let _: Box<(for<'a> Trait<'a>) + (Copy) + (?Sized)>;
 }
-
-FAIL //~ ERROR

src/test/ui/parser/trait-object-trait-parens.stderr

@@ -1,8 +0,0 @@
-error: expected one of `!` or `::`, found `<eof>`
-  --> $DIR/trait-object-trait-parens.rs:21:1
-   |
-LL | FAIL //~ ERROR
-   | ^^^^ expected one of `!` or `::` here
-
-error: aborting due to previous error
-

src/test/ui/parser/trait-plusequal-splitting.rs

@@ -8,13 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z parse-only
 // Fixes issue where `+` in generics weren't parsed if they were part of a `+=`.
 
+// compile-pass
+// compile-flags: -Z parse-only
+
 struct Whitespace<T: Clone + = ()> { t: T }
 struct TokenSplit<T: Clone +=  ()> { t: T }
 
-fn main() {
+fn main() {}
-}
-
-FAIL //~ ERROR

src/test/ui/parser/trait-plusequal-splitting.stderr

@@ -1,8 +0,0 @@
-error: expected one of `!` or `::`, found `<eof>`
-  --> $DIR/trait-plusequal-splitting.rs:20:1
-   |
-LL | FAIL //~ ERROR
-   | ^^^^ expected one of `!` or `::` here
-
-error: aborting due to previous error
-

src/test/ui/parser/underscore-suffix-for-string.rs

@@ -8,13 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-pass
+
 fn main() {
     let _ = "Foo"_;
     //~^ WARNING underscore literal suffix is not allowed
     //~| WARNING this was previously accepted
     //~| NOTE issue #42326
 }
-
-FAIL
-//~^ ERROR
-//~| NOTE

src/test/ui/parser/underscore-suffix-for-string.stderr

@@ -1,5 +1,5 @@
 warning: underscore literal suffix is not allowed
-  --> $DIR/underscore-suffix-for-string.rs:12:18
+  --> $DIR/underscore-suffix-for-string.rs:14:18
    |
 LL |     let _ = "Foo"_;
    |                  ^
@@ -7,11 +7,3 @@ LL |     let _ = "Foo"_;
    = 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 #42326 <https://github.com/rust-lang/rust/issues/42326>
 
-error: expected one of `!` or `::`, found `<eof>`
-  --> $DIR/underscore-suffix-for-string.rs:18:1
-   |
-LL | FAIL
-   | ^^^^ expected one of `!` or `::` here
-
-error: aborting due to previous error
-