adapt existing tests

src/test/compile-fail/issue-17025.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-test the unsized enum no longer compiles
+
 enum A {
     B(char),
     C([Box<A>]),

src/test/compile-fail/issue-5883.rs

@@ -20,6 +20,4 @@ fn new_struct(r: A+'static)
     Struct { r: r }
 }
 
-trait Curve {}
-enum E {X(Curve+'static)}
 fn main() {}

src/test/compile-fail/unsized-enum.rs

@@ -19,11 +19,4 @@ fn foo2<T: ?Sized>() { not_sized::<Foo<T>>() }
 //
 // Not OK: `T` is not sized.
 
-enum Bar<U: ?Sized> { BarSome(U), BarNone }
-fn bar1<T: ?Sized>() { not_sized::<Bar<T>>() }
-fn bar2<T: ?Sized>() { is_sized::<Bar<T>>() }
-//~^ ERROR `T: std::marker::Sized` is not satisfied
-//
-// Not OK: `Bar<T>` is not sized, but it should be.
-
 fn main() { }

src/test/compile-fail/unsized3.rs

@@ -31,19 +31,8 @@ fn f3<X: ?Sized + T>(x: &X) {
 fn f4<X: T>(x: &X) {
 }
 
-// Test with unsized enum.
-enum E<X: ?Sized> {
-    V(X),
-}
-
 fn f5<Y>(x: &Y) {}
 fn f6<X: ?Sized>(x: &X) {}
-fn f7<X: ?Sized>(x1: &E<X>, x2: &E<X>) {
-    f5(x1);
-    //~^ ERROR `X: std::marker::Sized` is not satisfied
-    f6(x2); // ok
-}
-
 
 // Test with unsized struct.
 struct S<X: ?Sized> {
@@ -57,13 +46,13 @@ fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
 }
 
 // Test some tuples.
-fn f9<X: ?Sized>(x1: Box<S<X>>, x2: Box<E<X>>) {
+fn f9<X: ?Sized>(x1: Box<S<X>>) {
     f5(&(*x1, 34));
     //~^ ERROR `X: std::marker::Sized` is not satisfied
 }
 
-fn f10<X: ?Sized>(x1: Box<S<X>>, x2: Box<E<X>>) {
-    f5(&(32, *x2));
+fn f10<X: ?Sized>(x1: Box<S<X>>) {
+    f5(&(32, *x1));
     //~^ ERROR `X: std::marker::Sized` is not satisfied
 }
 

src/test/run-pass/unsized2.rs

@@ -89,7 +89,7 @@ trait T7<X: ?Sized+T> {
     fn m2(&self, x: &T5<X>);
 }
 
-// The last field in a struct or variant may be unsized
+// The last field in a struct may be unsized
 struct S2<X: ?Sized> {
     f: X,
 }
@@ -97,12 +97,6 @@ struct S3<X: ?Sized> {
     f1: isize,
     f2: X,
 }
-enum E<X: ?Sized> {
-    V1(X),
-    V2{x: X},
-    V3(isize, X),
-    V4{u: isize, x: X},
-}
 
 pub fn main() {
 }