# RUN: yaml2obj %s -o %t.o
# RUN: llvm-dwarfdump -debug-line -verify %t.o | FileCheck %s

#      CHECK: Verifying .debug_line...
# CHECK-NEXT: warning: .debug_line[0x00000000].prologue.file_names[2] is a duplicate of file_names[1]

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_EXEC
DWARF:
  debug_str:
    - ''
    - /tmp/main.c
  debug_abbrev:
    - Table:
        - Code:            0x00000001
          Tag:             DW_TAG_compile_unit
          Children:        DW_CHILDREN_no
          Attributes:
            - Attribute:       DW_AT_name
              Form:            DW_FORM_strp
            - Attribute:       DW_AT_stmt_list
              Form:            DW_FORM_sec_offset
  debug_info:
    - Version:         4
      AddrSize:        8
      Entries:
        - AbbrCode:        0x00000001
          Values:
            - Value:           0x0000000000000001
            - Value:           0x0000000000000000
  debug_line:
    - Version:         2
      MinInstLength:   1
      DefaultIsStmt:   1
      LineBase:        251
      LineRange:       14
      OpcodeBase:      13
      StandardOpcodeLengths: [ 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 ]
      IncludeDirs:
        - /tmp
      Files:
        - Name:            main.c
          DirIdx:          1
          ModTime:         0
          Length:          0
        - Name:            main.c
          DirIdx:          1
          ModTime:         0
          Length:          0
      Opcodes:
        - Opcode:          DW_LNS_extended_op
          ExtLen:          9
          SubOpcode:       DW_LNE_set_address
          Data:            4096
        - Opcode:          DW_LNS_advance_line
          SData:           9
          Data:            4096
        - Opcode:          DW_LNS_copy
          Data:            4096
        - Opcode:          DW_LNS_advance_pc
          Data:            16
        - Opcode:          DW_LNS_set_file
          Data:            1
        - Opcode:          DW_LNS_extended_op
          ExtLen:          1
          SubOpcode:       DW_LNE_end_sequence
          Data:            2