llvm/llvm/test/tools/llvm-dwarfdump/uuid32.yaml

# RUN: yaml2obj %s | llvm-dwarfdump --uuid - | FileCheck %s
# CHECK: UUID: 229E6146-A7AB-3BA0-8B17-DD5125D3AFEF (i386) <stdin>
--- !mach-o
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      current_version: 81985536
      compatibility_version: 65536
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    ZeroPadBytes:    2
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LinkEditData:    
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            Name:            main
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...