gcc-9 (9.2.1-19) unstable; urgency=medium
* Update to SVN
20191109 (r278002) from the gcc-9-branch.
- Fix PR sanitizer/92154, PR c++/92384, PR middle-end/92231, PR c++/90947,
PR c++/90998, PR c++/92343, PR c++/90947, PR tree-optimization/85887,
PR c++/92015, PR middle-end/92231, PR preprocessor/92296.
* Fix once more the gnat armel cross build.
[dgit import unpatched gcc-9 9.2.1-19]