# Tests that linker throws an error for an undefined symbol in the section
# group, which is the same as the signature in the next input file.
# comdat1.s
# ------------
# .section .foo,"axG",@progbits,g1,comdat
# .word g1
#comdat2.s
#-----------
#  .global g1
#  .section .bar,"axG",@progbits,g1,comdat
#g2:
#   nop
#  .section .car,"axG",@progbits,g1,comdat
#g3:
#   nop
#
#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.group1a.o
#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.group1b.o
#RUN: lld -flavor gnu -target x86_64 %t.group1a.o %t.group1b.o \
#RUN: --noinhibit-exec -o %t2.out 2>&1 | FileCheck %s
#CHECK: Undefined symbol: {{.*}} g1
---
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  OSABI:           ELFOSABI_GNU
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .group
    Type:            SHT_GROUP
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            g1
    Members:
      - SectionOrType:   GRP_COMDAT
      - SectionOrType:   .foo
      - SectionOrType:   .rela.foo
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000000004
    Content:         ''
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000004
    Content:         ''
  - Name:            .bss
    Type:            SHT_NOBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000004
  - Name:            .foo
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
    AddressAlign:    0x0000000000000001
    Content:         '0000'
  - Name:            .rela.foo
    Type:            SHT_RELA
    Flags:           [ SHF_GROUP ]
    Link:            .symtab
    AddressAlign:    0x0000000000000008
    Info:            .foo
    Relocations:
      - Offset:          0x0000000000000000
        Symbol:          g1
        Type:            R_X86_64_16
Symbols:
  Local:
    - Name:            .text
      Type:            STT_SECTION
      Section:         .text
    - Name:            .data
      Type:            STT_SECTION
      Section:         .data
    - Name:            .bss
      Type:            STT_SECTION
      Section:         .bss
    - Name:            .foo
      Type:            STT_SECTION
      Section:         .foo
    - Name:            .group
      Type:            STT_SECTION
      Section:         .group
  Global:
    - Name:            g1
...
---
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  OSABI:           ELFOSABI_GNU
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .group
    Type:            SHT_GROUP
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            g1
    Members:
      - SectionOrType:   GRP_COMDAT
      - SectionOrType:   .bar
      - SectionOrType:   .car
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000000004
    Content:         ''
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000004
    Content:         ''
  - Name:            .bss
    Type:            SHT_NOBITS
    Flags:           [ SHF_WRITE, SHF_ALLOC ]
    AddressAlign:    0x0000000000000004
  - Name:            .bar
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
    AddressAlign:    0x0000000000000001
    Content:         '90'
  - Name:            .car
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
    AddressAlign:    0x0000000000000001
    Content:         '90'
Symbols:
  Local:
    - Name:            g2
      Section:         .bar
    - Name:            g3
      Section:         .car
    - Name:            .text
      Type:            STT_SECTION
      Section:         .text
    - Name:            .data
      Type:            STT_SECTION
      Section:         .data
    - Name:            .bss
      Type:            STT_SECTION
      Section:         .bss
    - Name:            .bar
      Type:            STT_SECTION
      Section:         .bar
    - Name:            .car
      Type:            STT_SECTION
      Section:         .car
    - Name:            .group
      Type:            STT_SECTION
      Section:         .group
  Global:
    - Name:            g1
      Section:         .group
...