unikernel/duniverse/dune_/test/blackbox-tests/test-cases/github1855.t

@@ -0,0 +1,27 @@
+Reproduction of https://github.com/ocaml/dune/issues/1895
+
+An implementation and a virtual library both define the same (non virtual
+) module. However, the module is private in the public library hence it should
+just quietly shadow the module in the virtual library.
+
+  $ cat > dune-project <<EOF
+  > (lang dune 2.0)
+  > EOF
+
+  $ mkdir vlib impl
+  $ touch impl/dom.ml vlib/dom.mli vlib/overlap.ml impl/overlap.ml
+  $ cat > vlib/dune <<EOF
+  > (library
+  >  (name vlib1855)
+  >  (virtual_modules dom))
+  > EOF
+  $ cat > impl/dune <<EOF
+  > (library
+  >  (name impl1855)
+  >  (implements vlib1855)
+  >  (private_modules overlap))
+  > EOF
+
+  $ dune build @all
+  $ ls _build/default/impl/*.cma
+  _build/default/impl/impl1855.cma