1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/bugs/issue-87755.rs b/src/test/ui/generic-associated-types/bugs/issue-87755.rs
new file mode 100644
index 000000000..efa487d62
--- /dev/null
+++ b/src/test/ui/generic-associated-types/bugs/issue-87755.rs
@@ -0,0 +1,21 @@
+// check-fail
+// known-bug: #87755
+
+// This should pass.
+
+#![feature(generic_associated_types)]
+
+use std::fmt::Debug;
+
+trait Foo {
+    type Ass where Self::Ass: Debug;
+}
+
+#[derive(Debug)]
+struct Bar;
+
+impl Foo for Bar {
+    type Ass = Bar;
+}
+
+fn main() {}