langtools/test/tools/javac/modules/DuplicateClassTest.java

*** 58,68 ****
                            "package impl; public class Impl { }");
          Path classes = base.resolve("classes");
          Files.createDirectories(classes);
  
          String log = new JavacTask(tb)
!                 .options("-modulesourcepath", base.toString())
                  .outdir(classes)
                  .files(findJavaFiles(base))
                  .run()
                  .writeAll()
                  .getOutput(Task.OutputKind.DIRECT);
--- 58,68 ----
                            "package impl; public class Impl { }");
          Path classes = base.resolve("classes");
          Files.createDirectories(classes);
  
          String log = new JavacTask(tb)
!                 .options("--module-source-path", base.toString())
                  .outdir(classes)
                  .files(findJavaFiles(base))
                  .run()
                  .writeAll()
                  .getOutput(Task.OutputKind.DIRECT);