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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.


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