Compiler projects using llvm
# RUN: yaml2obj %s -o %t
# RUN: not llvm-objcopy -N foo %t %t2 2>&1 | FileCheck %s

--- !ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .group
    Type:            SHT_GROUP
    Link:            .symtab
    AddressAlign:    0x0000000000000004
    Info:            foo
    Members:
      - SectionOrType:   GRP_COMDAT
      - SectionOrType:   .text
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1000
    AddressAlign:    0x0000000000000010
    Size:            64
Symbols:
  - Name:    foo
    Type:    STT_FUNC
    Section: .text
    Binding: STB_WEAK

# CHECK: symbol 'foo' cannot be removed because it is referenced by the section '.group[1]'