1e7bd6defSRichard Smithmodule X {
2e7bd6defSRichard Smith  module A { header "a.h" }
3e7bd6defSRichard Smith  module B { header "b.h" }
4e7bd6defSRichard Smith  module C { header "c.h" }
5e7bd6defSRichard Smith}
6*535ff803SRichard Smithmodule Y {
7*535ff803SRichard Smith  module D { header "d.h" }
8*535ff803SRichard Smith}
9