Approved by Duncan:

$ svn merge -c 113483 https://llvm.org/svn/llvm-project/llvm/trunk
--- Merging r113483 into '.':
U    test/FrontendC/2010-05-18-asmsched.c
U    test/FrontendC/asm-reg-var-local.c
$ svn merge -c 113484 https://llvm.org/svn/llvm-project/llvm/trunk
--- Merging r113484 into '.':
U    test/FrontendC/cstring-align.c
$ svn merge -c 113485 https://llvm.org/svn/llvm-project/llvm/trunk
--- Merging r113485 into '.':
U    test/FrontendC/2010-07-14-overconservative-align.c

Fix tests to pass on platforms which don't support -m64.

llvm-svn: 113529