Mike Stump:
> On Oct 17, 2016, at 11:00 AM, Ximin Luo <infini...@pwned.gg> wrote:
>> Therefore, it is better to emit it in all circumstances, in case the reader 
>> needs to know what the working
>> directory was at compile-time.
> I can't help but wonder if this would break ccache some?

Could you explain this in some more detail? At the moment, GCC will already 
emit DW_AT_name with an absolute path (in the scenario that this patch is 
relevant to). How does ccache work around this at the moment? (Does it use 
debug-prefix-map? In which case, this also affects DW_AT_comp_dir, so my patch 
should be fine.)


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