llvm/llvm/test/tools/obj2yaml/COFF/weak-external.yaml

# RUN: yaml2obj %s | obj2yaml | FileCheck %s --check-prefix COFF-I386

# COFF-I386: Characteristics: 0

--- !COFF
header:
  Machine:         IMAGE_FILE_MACHINE_I386
  Characteristics: [ IMAGE_FILE_LINE_NUMS_STRIPPED, IMAGE_FILE_32BIT_MACHINE ]
sections:
  - Name:            .text
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     5589E583E4F0E800000000B800000000C9C39090
    Relocations:     
      - VirtualAddress:  7
        SymbolName:      ___main
        Type:            IMAGE_REL_I386_REL32
symbols:
  - Name:            .file
    Value:           0
    SectionNumber:   65534
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_FILE
    File:            'file'
  - Name:            .text
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition: 
      Length:          18
      NumberOfRelocations: 1
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          0
  - Name:            ___main
    Value:           0
    SectionNumber:   0
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
    WeakExternal:    
      TagIndex:        0
      Characteristics: 0
...