| # RUN: ld64.lld -arch x86_64 -dylib %p/Inputs/bar.yaml \ | 
 | # RUN:     -install_name /usr/lib/libbar.dylib %p/Inputs/x86_64/libSystem.yaml -o %t1.dylib | 
 | # RUN: ld64.lld -arch x86_64 -dylib %s -upward_library  %t1.dylib \ | 
 | # RUN:      -install_name /usr/lib/libfoo.dylib %p/Inputs/x86_64/libSystem.yaml -o %t | 
 | # RUN: llvm-objdump -private-headers %t | FileCheck %s | 
 | # | 
 | # | 
 | # Test upward linking: 1) build libbar.dylib, 2) build libfoo.dylib and upward | 
 | # like with libbar.dylib, 3) dump load commands of libfoo and verify upward link. | 
 | # | 
 |  | 
 | --- !mach-o | 
 | arch:            x86_64 | 
 | file-type:       MH_OBJECT | 
 | flags:           [ MH_SUBSECTIONS_VIA_SYMBOLS ] | 
 | sections: | 
 |   - segment:         __TEXT | 
 |     section:         __text | 
 |     type:            S_REGULAR | 
 |     attributes:      [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ] | 
 |     address:         0x0000000000000000 | 
 |     content:         [ 0x55, 0x48, 0x89, 0xE5, 0x31, 0xC0, 0x5D, 0xE9, | 
 |                        0x00, 0x00, 0x00, 0x00 ] | 
 |     relocations: | 
 |       - offset:          0x00000008 | 
 |         type:            X86_64_RELOC_BRANCH | 
 |         length:          2 | 
 |         pc-rel:          true | 
 |         extern:          true | 
 |         symbol:          1 | 
 | global-symbols: | 
 |   - name:            _foo | 
 |     type:            N_SECT | 
 |     scope:           [ N_EXT ] | 
 |     sect:            1 | 
 |     value:           0x0000000000000000 | 
 | undefined-symbols: | 
 |   - name:            _bar | 
 |     type:            N_UNDF | 
 |     scope:           [ N_EXT ] | 
 |     value:           0x0000000000000000 | 
 |  | 
 | ... | 
 |  | 
 |  | 
 | # CHECK:	              cmd LC_LOAD_UPWARD_DYLIB | 
 | # CHECK-NEXT:	      cmdsize 48 | 
 | # CHECK-NEXT:	         name /usr/lib/libbar.dylib (offset 24) |