1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/mir/issue-99866.rs b/src/test/ui/mir/issue-99866.rs
new file mode 100644
index 000000000..d39ae6ebf
--- /dev/null
+++ b/src/test/ui/mir/issue-99866.rs
@@ -0,0 +1,25 @@
+// check-pass
+pub trait Backend {
+    type DescriptorSetLayout;
+}
+
+pub struct Back;
+
+impl Backend for Back {
+    type DescriptorSetLayout = u32;
+}
+
+pub struct HalSetLayouts {
+    vertex_layout: <Back as Backend>::DescriptorSetLayout,
+}
+
+impl HalSetLayouts {
+    pub fn iter<DSL>(self) -> DSL
+    where
+        Back: Backend<DescriptorSetLayout = DSL>,
+    {
+        self.vertex_layout
+    }
+}
+
+fn main() {}