K 10
svn:author
V 6
gerald
K 8
svn:date
V 27
2020-01-03T05:04:24.027588Z
K 7
svn:log
V 270
Update to the 20191221 snapshot of GCC 9.2.1.

This brings a larger number of backports (fixes) for Fortran and C++,
but also some for optimizers and the x86 backend. (It pretty much looks
like prep work for a Linux vendor's release, so definitely an important
update.)

END