This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Line number notes revamp?
Zack Weinberg wrote:-
> On the other hand, how useful are column numbers at the RTL level? In
> trees, particularly in VAR_DECLs and the like, I can see it, but not
> when we're talking about whole statements at a time.
>
> It *would* be useful to be able to distinguish multiple statements on
> a line, but (a) I don't think we need the whole column number for
> that, and (b) I've never seen a debugger that could handle it.
> What's DWARF capable of?
True; I've only ever intended their use for diagnostics. So probably
only the front end needs them.
Neil.