gcc-9 (9.2.1-16) unstable; urgency=medium
* Update to SVN
20191030 (r277619) from the gcc-9-branch.
- Fix PR target/92225 (x86), PR rtl-optimization/92007,
PR target/70010 (PPC), PR target/65342 (PPC), PR target/67183,
PR fortran/91926, PR fortran/91863, PR fortran/86248, PR c++/92201.
* Use a proper configure check when linking with libatomic in libgnatvsn.
Closes: #943796.
* Enable gm2 on x32.
* Update gm2 from the gcc_9_2_0_gm2 branch
20191030, parallel build issues.
* Fix PR libstdc++/92267, taken from the trunk.
[dgit import unpatched gcc-9 9.2.1-16]