Add -dwarf-debug-flags, which provides a way to embed the cc1 level options used
to compile a translation unit into the debug info for that file.
 - Used by parts of Darwin build process to check compiler flags, etc.
 - <rdar://problem/7256886> clang does not emit AT_APPLE_flags

llvm-svn: 91661
9 files changed
tree: dd76d50e850d77fa74ac80931e2c2d04ff1aec3e
  1. clang/
  2. compiler-rt/
  3. llvm/