[Bug pch/71934] pch cannot be disabled so gcc cannot be position independent

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71934

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
For start we could revert the patch that prevents it, I think that was
r6-4396-g5148d2e38fa5ff6 + perhaps some follow-ups.