From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/consts/issue-66787.rs | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/test/ui/consts/issue-66787.rs

(limited to 'src/test/ui/consts/issue-66787.rs')

diff --git a/src/test/ui/consts/issue-66787.rs b/src/test/ui/consts/issue-66787.rs
new file mode 100644
index 000000000..612b795eb
--- /dev/null
+++ b/src/test/ui/consts/issue-66787.rs
@@ -0,0 +1,39 @@
+// build-pass
+// compile-flags: --crate-type lib
+
+// Regression test for ICE which occurred when const propagating an enum with three variants
+// one of which is uninhabited.
+
+pub enum ApiError {}
+#[allow(dead_code)]
+pub struct TokioError {
+    b: bool,
+}
+pub enum Error {
+    Api {
+        source: ApiError,
+    },
+    Ethereum,
+    Tokio {
+        source: TokioError,
+    },
+}
+struct Api;
+impl IntoError<Error> for Api
+{
+    type Source = ApiError;
+    fn into_error(self, error: Self::Source) -> Error {
+        Error::Api {
+            source: (|v| v)(error),
+        }
+    }
+}
+
+pub trait IntoError<E>
+{
+    /// The underlying error
+    type Source;
+
+    /// Combine the information to produce the error
+    fn into_error(self, source: Self::Source) -> E;
+}
-- 
cgit v1.2.3