1 files changed, 19 insertions, 0 deletions
diff --git a/tests/typerel/t7734.nim b/tests/typerel/t7734.nim
new file mode 100644
index 000000000..1e8df2cf1
--- /dev/null
+++ b/tests/typerel/t7734.nim
@@ -0,0 +1,19 @@
+type
+  Foo[T: SomeFloat] = object
+    learning_rate: T
+
+  Bar[T: SomeFloat] = object
+    learning_rate: T
+    momentum: T
+
+  Model = object
+    weight: int
+
+  FooClass = Foo or Bar
+
+
+proc optimizer[M; T: SomeFloat](model: M, _: typedesc[Foo], learning_rate: T): Foo[T] =
+  result.learning_rate = learning_rate
+
+let a = Model(weight: 1)
+let opt = a.optimizer(Foo, 10.0)