1 files changed, 0 insertions, 65 deletions
diff --git a/src/test/ui/project-cache-issue-31849.rs b/src/test/ui/project-cache-issue-31849.rs
deleted file mode 100644
index 07fb6abaeac..00000000000
--- a/src/test/ui/project-cache-issue-31849.rs
+++ /dev/null
@@ -1,65 +0,0 @@
-// run-pass
-// Regression test for #31849: the problem here was actually a performance
-// cliff, but I'm adding the test for reference.
-
-pub trait Upcast<T> {
-    fn upcast(self) -> T;
-}
-
-impl<S1, S2, T1, T2> Upcast<(T1, T2)> for (S1,S2)
-    where S1: Upcast<T1>,
-          S2: Upcast<T2>,
-{
-    fn upcast(self) -> (T1, T2) { (self.0.upcast(), self.1.upcast()) }
-}
-
-impl Upcast<()> for ()
-{
-    fn upcast(self) -> () { () }
-}
-
-pub trait ToStatic {
-    type Static: 'static;
-    fn to_static(self) -> Self::Static where Self: Sized;
-}
-
-impl<T, U> ToStatic for (T, U)
-    where T: ToStatic,
-          U: ToStatic
-{
-    type Static = (T::Static, U::Static);
-    fn to_static(self) -> Self::Static { (self.0.to_static(), self.1.to_static()) }
-}
-
-impl ToStatic for ()
-{
-    type Static = ();
-    fn to_static(self) -> () { () }
-}
-
-
-trait Factory {
-    type Output;
-    fn build(&self) -> Self::Output;
-}
-
-impl<S,T> Factory for (S, T)
-    where S: Factory,
-          T: Factory,
-          S::Output: ToStatic,
-          <S::Output as ToStatic>::Static: Upcast<S::Output>,
-{
-    type Output = (S::Output, T::Output);
-    fn build(&self) -> Self::Output { (self.0.build().to_static().upcast(), self.1.build()) }
-}
-
-impl Factory for () {
-    type Output = ();
-    fn build(&self) -> Self::Output { () }
-}
-
-fn main() {
-    // More parens, more time.
-    let it = ((((((((((),()),()),()),()),()),()),()),()),());
-    it.build();
-}