[cfe-commits] r166236 - in /cfe/trunk: include/clang/Driver/CC1Options.td include/clang/Driver/Options.td include/clang/Frontend/CodeGenOptions.h lib/CodeGen/CGDebugInfo.cpp lib/Driver/Tools.cpp lib/Frontend/CompilerInvocation.cpp test/CodeGen/de

[Eric Christopher]

>
> I'd rather we try to optimize column-number computation first. If we can make it fast enough, we don't need to add this tweaking flag.
>

I think the two are orthogonal here. Basically there's no reason to
bother emitting them unless someone is using them. We do a reasonable
job of emitting a small representation, but if there's really no
consumer it seems like a bit of a waste of space and time.

-eric