[tree-ssa] Mainline merge plan

[Jeff Sturm]

On Wed, 25 Feb 2004, Richard Earnshaw wrote:
> The build system tries to build libmudflap with pthread calls.  An arm-elf
> target is never going to support pthreads (it's for bare-metal systems).
> Consequently it's impossible to build the libjava or objc libraries.

Libjava doesn't require pthreads to build (well, the build result isn't a
suitable Java implementation, but enough to test the compiler).

I'm fairly certain libjava did build previously for arm-elf.  If it
doesn't now, we have a regression.

Jeff