# RUN: yaml2obj < %s > %t.obj
# RUN: llvm-readobj --codeview %t.obj | FileCheck %s

# CHECK:         Kind: S_UNAMESPACE (0x1124)
# CHECK-NEXT:    Namespace: __vc_attributes

--- !COFF
header:          
  Machine:         IMAGE_FILE_MACHINE_AMD64
  Characteristics: [  ]
sections:        
  - Name:            '.debug$S'
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
    Alignment:       1
    Subsections:     
      - !Symbols
        Records:         
          - Kind:            S_OBJNAME
            ObjNameSym:      
              Signature:       0
              ObjectName:      'SimpleFunction.obj'
          - Kind:            S_COMPILE3
            Compile3Sym:     
              Flags:           [ SecurityChecks, HotPatch ]
              Machine:         X64
              FrontendMajor:   19
              FrontendMinor:   14
              FrontendBuild:   26433
              FrontendQFE:     0
              BackendMajor:    19
              BackendMinor:    14
              BackendBuild:    26433
              BackendQFE:      0
              Version:         'Microsoft (R) Optimizing Compiler'
          - Kind:            S_UNAMESPACE
            UsingNamespaceSym: 
              Namespace:       __vc_attributes
          - Kind:            S_UNAMESPACE
            UsingNamespaceSym: 
              Namespace:       helper_attributes
          - Kind:            S_UNAMESPACE
            UsingNamespaceSym: 
              Namespace:       atl
          - Kind:            S_UNAMESPACE
            UsingNamespaceSym: 
              Namespace:       std
      - !StringTable
        Strings:
          - 'SimpleFunction.c'
symbols:         
...