This code block (verbatim from http://live.gnome.org/Genie#Arrays) compiles and runs fine on 0.7.10 but fails during linking (as below) with 0.8.0 and 0.8.1:

opts.gs:
------------------------------------------------------------------------
[indent=4]
init

    var f = new Foo ()

    try
        var opt_context = new OptionContext ("- Test array of structs")
        opt_context.set_help_enabled (true)
        opt_context.add_main_entries (f.options, null)
        opt_context.parse (ref args)
        
    except e:OptionError
        stdout.printf ("%s\n", e.message)
        stdout.printf ("Run '%s --help' to see a full list of available command line options.\n", args[0])

    
    
class Foo : Object
    
    [NoArrayLength ()]
    test_directories : static array of string
    
    const options : array of OptionEntry = {{ "testarg", 0, 0, OptionArg.FILENAME_ARRAY, ref test_directories, "test DIRECTORY", "DIRECTORY..." }, {null}}

------------------------------------------------------------------------

$ valac opts.gs
/tmp/ccpHZi5Z.o: In function `_vala_main':
opts.vala.c:(.text+0x7c): undefined reference to `FOO_options'
collect2: ld returned 1 exit status
error: cc exited with status 256
Compilation failed: 1 error(s), 0 warning(s)


I have tested this on both valac 0.8.0 and 0.8.1 and on both Gentoo and Ubuntu 10.04.