# RUN: yaml2obj %s -o %t.obj
# RUN: not lld-link /out:%t.exe /entry:main %t.obj >& %t.log
# RUN: FileCheck -check-prefix=ERROR %s < %t.log
# RUN: lld-link /out:%t.exe /entry:main %t.obj /force >& %t.log
# RUN: FileCheck -check-prefix=WARN %s < %t.log

# ERROR: error: undefined symbol: foo
# ERROR-NEXT: >>> referenced by {{.*}}.obj
# WARN: warning: undefined symbol: foo
# WARN-NEXT: >>> referenced by {{.*}}.obj

--- !COFF
header:
  Machine:         IMAGE_FILE_MACHINE_AMD64
  Characteristics: []
sections:
  - Name:            .text
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     000000000000
symbols:
  - Name:            .text
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          6
      NumberOfRelocations: 0
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          0
  - Name:            main
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            foo
    Value:           0
    SectionNumber:   0
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
...