1 files changed, 7 insertions, 0 deletions
diff --git a/test-suite/success/CanonicalStructure.v b/test-suite/success/CanonicalStructure.v
new file mode 100644
index 00000000..003810cc
--- /dev/null
+++ b/test-suite/success/CanonicalStructure.v
@@ -0,0 +1,7 @@
+(* Bug #1172 *)
+
+Structure foo : Type := Foo {
+   A : Set; Aopt := option A; unopt : Aopt -> A
+}.
+
+Canonical Structure unopt_nat := @Foo nat (fun _ => O).