gcc-6 (6.4.0-9) unstable; urgency=medium
* Update to SVN
20171026 (r254099) from the gcc-6-branch.
- Fix PR target/82274 (x86), PR rtl-optimization/82602,
PR rtl-optimization/82549, PR libstdc++/81395, PR target/82445 (ARM),
PR fortran/79795, PR fortran/79402, PR fortran/81048, PR libfortran/82233.
* Update the Linaro support to the 6.4-2017.10 snapshot.
* Do the extra/optional dance ...
* Override hardening-no-pie flags for compiler executables.
[dgit import package gcc-6 6.4.0-9]