src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java

rev 3947 : imported patch xmodule-to-patch-module

@@ -978,11 +978,11 @@
 
     @Override @DefinedBy(Api.COMPILER)
     public Location getLocationForModule(Location location, JavaFileObject fo, String pkgName) throws IOException {
         checkModuleOrientedOrOutputLocation(location);
         if (!(fo instanceof PathFileObject))
-            throw new IllegalArgumentException(fo.getName());
+            return null;
         int depth = 1; // allow 1 for filename
         if (pkgName != null && !pkgName.isEmpty()) {
             depth += 1;
             for (int i = 0; i < pkgName.length(); i++) {
                 switch (pkgName.charAt(i)) {