On Tue, 13 Jun 2017, Richard Earnshaw (lists) wrote: > I wonder if we should/could add a LAST attribute to the options > specification such that the driver discards all but the final instance > of such an option. This would also solve the -mcpu=native problem since > the discard rule would kick in and eliminate that option if it wasn't > the final one in the list.
As noted, I think all the options should be validated before discarding in such a case (which is easy for Enum options, but for options with custom parsing code care would need to be taken that this code is run for validation purposes before discarding). -- Joseph S. Myers jos...@codesourcery.com