From a419e112dbb0fc4e3e48414a307bbd92c727e0c5 Mon Sep 17 00:00:00 2001
From: Ellen <supbscripter@gmail.com>
Date: Sat, 13 Feb 2021 18:27:39 +0000
Subject: [PATCH] a wild test has appeared uwu

---
 .../issue-80561-incorrect-param-env.rs        | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/test/ui/const-generics/issue-80561-incorrect-param-env.rs

diff --git a/src/test/ui/const-generics/issue-80561-incorrect-param-env.rs b/src/test/ui/const-generics/issue-80561-incorrect-param-env.rs
new file mode 100644
index 000000000000..a34d74b29e9f
--- /dev/null
+++ b/src/test/ui/const-generics/issue-80561-incorrect-param-env.rs
@@ -0,0 +1,24 @@
+// check-pass
+#![feature(const_generics, const_evaluatable_checked)]
+#![allow(incomplete_features)]
+
+// This tests that the correct `param_env` is used so that
+// attempting to normalize `Self::N` does not cause an ICE.
+
+pub struct Foo<const N: usize>;
+
+impl<const N: usize> Foo<N> {
+    pub fn foo() {}
+}
+
+pub trait Bar {
+    const N: usize;
+    fn bar()
+    where
+        [(); Self::N]: ,
+    {
+        Foo::<{ Self::N }>::foo();
+    }
+}
+
+fn main() {}