http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57714
--- Comment #9 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
I think what happens is that the preprocessor is trying to avoid breaking up a
valid token like in:
void foo(void) {re\
turn;
}
It would be an improvement if it ignored the \ between valid tokens boundaries
even if there is no whitespace, but I think there is not going to be anyone
sufficiently bothered to fix this ever. So unless you want to give it a try,
let's leave this bug report closed.
I added a note to the FAQ.
