GNU C library 2.33 released

On second thoughts, I think this particular instance was caused by the confluence of multiple local patches (one for the system gcc that passes in -march=native by default, then a specs file that overrides it with march=geode when building for the firewall, combined with a glibc makefile that does not always pass local CFLAGS down, so that one object file ended up being built without -march=geode. It didn't use any of the things the higher ISA level called for, but the arch notes system doesn't know anything about that, and the lack of an explicit arch on that one file led to everything being contaminated with an arch of x86-64-v2. Sigh.)