libg++-2.8.1.3 and gcc-20000220 CVS

[Zack Weinberg]

On Mon, Feb 21, 2000 at 09:25:53AM +0100, Martin v. Loewis wrote:
> > But, -save-temps will either not give you an .i file (making it next
> > to useless) or the .i file won't have the same interpretation, when
> > fed back in, as the original source.
> 
> What exactly is the difference in interpretation? If it is a matter
> whether column numbers are present or not, and whether originial token
> locations are present - I'd accept that difference. 

Theoretically, it could make a huge difference to the debugging information,
for example if we generate accurate line info for code from macros.

> If something goes wrong in the integrated preprocessor that does not
> in case of preprocessed input, analysis will need all source files
> as-is. This is no different from a bug in the preprocessor today -
> preprocessed output won't help, either.

True.

zw