From 4f9fe856a25ab29345b90e7725509e9ee38a37be Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:41 +0200
Subject: Adding upstream version 1.69.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../param-candidate-doesnt-shadow-project.rs       | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 tests/ui/traits/new-solver/param-candidate-doesnt-shadow-project.rs

(limited to 'tests/ui/traits/new-solver/param-candidate-doesnt-shadow-project.rs')

diff --git a/tests/ui/traits/new-solver/param-candidate-doesnt-shadow-project.rs b/tests/ui/traits/new-solver/param-candidate-doesnt-shadow-project.rs
new file mode 100644
index 000000000..bdf999ec5
--- /dev/null
+++ b/tests/ui/traits/new-solver/param-candidate-doesnt-shadow-project.rs
@@ -0,0 +1,25 @@
+// compile-flags: -Ztrait-solver=next
+// check-pass
+
+trait Foo {
+    type Assoc;
+}
+
+trait Bar {}
+
+impl<T> Foo for T {
+    type Assoc = i32;
+}
+
+impl<T> Bar for T where T: Foo<Assoc = i32> {}
+
+fn require_bar<T: Bar>() {}
+
+fn foo<T: Foo>() {
+    // Unlike the classic solver, `<T as Foo>::Assoc = _` will still project
+    // down to `i32` even though there's a param-env candidate here, since we
+    // don't assemble any param-env projection candidates for `T: Foo` alone.
+    require_bar::<T>();
+}
+
+fn main() {}
-- 
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