--- !mach-o
FileHeader:
  magic:           0xFEEDFACF
  cputype:         0x100000C
  cpusubtype:      0x0
  filetype:        0x5
  ncmds:           0
  sizeofcmds:      0
  flags:           0x1
  reserved:        0x0
...

# RUN: yaml2obj %s > %t
# RUN: not llvm-objcopy %t 2>&1 | FileCheck %s -DFILE=%t
#
# CHECK: error: [[FILE]]: MH_PRELOAD files are not supported