LLVM backend broken on 32bit OS X (when 64bit host)

[dterei]

OSX 32bit GHC is broken when running on a 64bit host. This is as we aren't passing the correct flags through to clang (the assembler used) to indicate it should compile as 32bit instead of 64bit...

[davidterei@…]

commit fa1e5933bf39f3c4cc09457f7fc9d7e928b5e611

Author: David Terei <davidterei@gmail.com>
Date:   Tue Jan 22 23:05:46 2013 -0800

    Fix llvm backend when 32bit build on 64bit OSX. (#7617)

 compiler/main/DriverPipeline.hs |   16 ++++++++--------
 compiler/main/SysTools.lhs      |   13 ++++++++++---
 2 files changed, 18 insertions(+), 11 deletions(-)