zero-offset-section.test

## This test verifies that a regular (non-zero-fill) section with zero offset 
## and zero size is not modifed, this behavior is consistent with cctools' strip.

# RUN: yaml2obj %s -o %t
# RUN: llvm-objcopy %t %t.copy
# RUN: cmp %t %t.copy

--- !mach-o
FileHeader:
  magic:           0xFEEDFACE
  cputype:         0x00000007
  cpusubtype:      0x00000003
  filetype:        0x00000001
  ncmds:           1
  sizeofcmds:      124
  flags:           0x00002000
LoadCommands:
  - cmd:             LC_SEGMENT
    cmdsize:         124
    segname:         __DATA
    vmaddr:          4096
    vmsize:          0
    fileoff:         152
    filesize:        0
    maxprot:         7
    initprot:        7
    nsects:          1
    flags:           0
    Sections:
      - sectname:        __broken
        segname:         __DATA
        addr:            0x0000000000001000
        size:            0
        offset:          0x00000000
        align:           2
        reloff:          0x00000000
        nreloc:          0
        flags:           0x00000000
        reserved1:       0x00000000
        reserved2:       0x00000000
        reserved3:       0x00000000
        content:         ''
...