http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49152
--- Comment #34 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2012-04-02 17:18:34 UTC --- (In reply to comment #32) > > Of course this may fail in some cases, like non-ANSI input, and not > preprocessing, but it will work in 99% of the cases. In any case, it is not > clear to me that we want to print the preprocessed line instead of the > original > text. BTW, non-ANSI input may not even handled correctly by libcpp according to PR49152, so I think we don't need to worry about it just now.