gcc-9 (9.2.1-28) unstable; urgency=medium
* Update to git
20200203 from the gcc-9 branch.
- Fix PR fortran/93541, PR fortran/93462, PR fortran/93309.
* libgcc-dev: Don't ship a libgcc_so.1 symlink in gcclibdir. Closes: #950525.
* Allow retrying of a native build in case of unreproducible ICEs.
[dgit import unpatched gcc-9 9.2.1-28]