# RUN: not yaml2obj %s 2>&1 | FileCheck %s
--- !mach-o
FileHeader:
magic: 0xFEEDFACE
cputype: 0x00000007
cpusubtype: 0x80000003
filetype: 0x00000002
ncmds: 0
sizeofcmds: 0
flags: 0x00218085
reserved: 0
...
# CHECK: error: unknown key 'reserved'