Solaris not providing some of the locales that the test suite uses.

Note: This depends on an xlocale (partial) implementation for Solaris and a
couple of fixed standard headers.  These will be committed to a branch later
today.

llvm-svn: 151720

llvm-svn: 119395

llvm-svn: 111751

llvm-svn: 103516

llvm-svn: 103490