1*75fd0b74Schristos- check whether old file format is properly read when input comes from 2*75fd0b74Schristos stdin 3*75fd0b74Schristos 4*75fd0b74Schristos- check whether underscores are properly dealt with (both, on systems 5*75fd0b74Schristos that prepend them to each C name and on systems that don't) 6*75fd0b74Schristos 7*75fd0b74Schristos- ensure gprof fails gracefully when no debugging info available 8