Just a static compiler, strimmed down, with binutils and glibc from mainline.
Revisions/Branches:
12042019: GCC 9.0.1
28042019: GCC 10.0 Experimental
09062019-9.1.1: GCC 9.1.1
09062019: GCC 10.0 Experimental
030719: GCC 10.0 Experimental
100719: GCC 9.1.1
140719: GCC 10.0 Experimental
170719: GCC 9.1.1
200719: GCC 10.0 Experimental
010919: GCC 9.2.1
03122019: GCC 10.0 Experimental
03122019-9.2.1: GCC 9.2.1
27122019: GCC 10.0 Experimental
27122019-9.2.1: GCC 9.2.1
05022020: GCC 10.0.1 Experimental
05022020-9.2.1: GCC 9.2.1