https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78636
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2016-12-02 Ever confirmed|0 |1 --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- As I said on IRC, we need preprocessed source, as described at https://gcc.gnu.org/bugs/ and as that also says, please try -fsanitize=undefined We can't do anything with URLs (one of which doesn't even resolve) and logs.