unikernel/duniverse/dune_/test/blackbox-tests/test-cases/github4684.t

@@ -0,0 +1,18 @@
+Combining `(root_module ...)` with a public library results in an unexpected
+build failure:
+
+  $ echo "module X = Root.Unix" > main.ml
+  $ touch main.opam
+  $ cat >dune-project <<EOF
+  > (lang dune 2.8)
+  > EOF
+  $ cat >dune <<EOF
+  > (library
+  >  (name main)
+  >  (public_name main)
+  >  (root_module root)
+  >  (libraries unix))
+  > EOF
+
+  $ dune build
+