In tree for 30 days. Let's stabilize =sys-devel/gcc-9.3.0-r2 for: amd64 arm arm64 hppa ppc ppc64 s390 sparc x86
x86 stable
sparc stable
amd64 stable
arm done
arm64 done
ppc stable
ppc64 stable
s390 stable
I'll do bug 800767 instead for hppa.