V3: SPARC bug and tree freeze

[Robert Lipe]

Mark Mitchell wrote:

> system, but we can't ask people to build glibc locally before every
> checkin; that's crippling.

Especially since glibc only meaningfully builds on a relatively small
percentage of the targets represented by GCC...  Note that I didn't say
for "small percentage of users", so please don't flame me [again] for
reminding the crowd that the world has systems where glibc just doesn't
exist.