yeah, I'm thinking this might be more useful for c++ :)
file.cpp:65: error: please have a look at this line and see if anything jumps out at you.
as that is basically all GCC C++ errors are good for. g++ [options] | sed -e 's/^(.*: (error|warning):).*/\1 please have a look at this line and see if anything jumps out at you/'