--list=filename

Where filename is the file to contain the redirected diagnostic output.

The specified file is created when diagnostics are output. If a file of the same name already exists, it is overwritten. However, if diagnostics are not output, a file is not created. In this case, the contents of any existing file with the same name remain unchanged.

If file is specified without a path, it is created in the output directory, that is, the directory where the output image is being written.