Driver & AST: Implement support for -fpack-struct and -fpack-struct= command
line options.
 - <rdar://problem/10120602>, PR9631

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141211 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed