compiler/testData/modules.xml/manyTimes.xml

<modules>
  <module name="name" outputDir="out" type="java-production">
    <sources path="foo"/>
    <sources path="foo1"/>
    <sources path="foo2"/>
    <classpath path="bar"/>
    <classpath path="bar1"/>
    <classpath path="bar2"/>
  </module>
</modules>