https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81584
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2018-01-09 Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- This should work, the python script was updated when the new string implementation was committed. The python code you've shown does not come from GCC 6.3.0, so you're not using the right script.