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>
---
 .../issue-68830-spurious-diagnostics.rs            | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/test/ui/specialization/issue-68830-spurious-diagnostics.rs

(limited to 'src/test/ui/specialization/issue-68830-spurious-diagnostics.rs')

diff --git a/src/test/ui/specialization/issue-68830-spurious-diagnostics.rs b/src/test/ui/specialization/issue-68830-spurious-diagnostics.rs
new file mode 100644
index 000000000..d11ec7983
--- /dev/null
+++ b/src/test/ui/specialization/issue-68830-spurious-diagnostics.rs
@@ -0,0 +1,23 @@
+// A regression test for #68830. This checks we don't emit
+// a verbose `conflicting implementations` error.
+
+#![feature(specialization)]
+#![allow(incomplete_features)]
+
+struct BadStruct {
+    err: MissingType //~ ERROR: cannot find type `MissingType` in this scope
+}
+
+trait MyTrait<T> {
+    fn foo();
+}
+
+impl<T, D> MyTrait<T> for D {
+    default fn foo() {}
+}
+
+impl<T> MyTrait<T> for BadStruct {
+    fn foo() {}
+}
+
+fn main() {}
-- 
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