Fix HIR printing of existential type #60662

This fixes https://github.com/rust-lang/rust/issues/60662

2 files changed, 25 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-60662.rs b/src/test/ui/issues/issue-60662.rs
new file mode 100644
index 00000000000..fe4eaff742d
--- /dev/null
+++ b/src/test/ui/issues/issue-60662.rs
@@ -0,0 +1,11 @@
+// compile-pass
+// compile-flags: -Z unpretty=hir
+
+#![feature(existential_type)]
+
+trait Animal {
+}
+
+fn main() {
+    pub existential type ServeFut: Animal;
+}
diff --git a/src/test/ui/issues/issue-60662.stdout b/src/test/ui/issues/issue-60662.stdout
new file mode 100644
index 00000000000..5acfdf9ed53
--- /dev/null
+++ b/src/test/ui/issues/issue-60662.stdout
@@ -0,0 +1,14 @@
+// compile-pass
+// compile-flags: -Z unpretty=hir
+
+#![feature(existential_type)]
+#[prelude_import]
+use ::std::prelude::v1::*;
+#[macro_use]
+extern crate std;
+
+trait Animal { }
+
+fn main() {
+              pub existential type ServeFut : Animal;
+          }