# COMDAT sections with non-external linkage should not be merged by ICF.

# RUN: yaml2obj %s -o %t1.obj
# RUN: sed s/foo/main/ %s | yaml2obj > %t2.obj
# RUN: lld-link /out:%t.exe /entry:main /subsystem:console /verbose \
# RUN:   %t1.obj %t2.obj > %t.log 2>&1
# RUN: FileCheck %s < %t.log

# CHECK-NOT: Removed bar

--- !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:       16
    SectionData:     488D0500000000C3
    Relocations:
      - VirtualAddress:  3
        SymbolName:      bar
        Type:            IMAGE_REL_AMD64_REL32
  - Name:            .rdata
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_READ ]
    Alignment:       8
    SectionData:     2A000000000000002B00000000000000
symbols:
  - Name:            .text
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          8
      NumberOfRelocations: 1
      NumberOfLinenumbers: 0
      CheckSum:        1092178131
      Number:          1
  - Name:            .rdata
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          16
      NumberOfRelocations: 0
      NumberOfLinenumbers: 0
      CheckSum:        1200668497
      Number:          5
      Selection:       IMAGE_COMDAT_SELECT_ANY
  - Name:            foo
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            bar
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
...