https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121943
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #6) > I can't find the escape sequence `ESC[6n` in any of the following sources, > GCC, dejagnu nor expect. I even looked into binutils since the option used for gcc was -c to make sure the assmbler does not have it which I had doubt it would. I even looked into mingw sources and nope not there also. So something has to be outputing to the "fake" terminal for expect. But I can't see what it is.