[PATCH 4/7] Support -fdebug-cpp option

[Alexandre Oliva]

On Jul 16, 2011, Dodji Seketeli <dodji@redhat.com> wrote:

> This patch adds -fdebug-cpp option. When used with -E this dumps the
> relevant macro map before every single token. This clutters the output
> a lot but has proved to be invaluable in tracking some bugs during the
> development of the virtual location support.

Any way to read that back in while compiling a preprocessed file, so
that ccache et al can use this flag to get the same location information
that would have been gotten without separate preprocessing?

-- 
Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
You must be the change you wish to see in the world. -- Gandhi
Be Free! -- http://FSFLA.org/   FSF Latin America board member
Free Software Evangelist      Red Hat Brazil Compiler Engineer