llvm/llvm/test/tools/llvm-dwarfdump/X86/verify_empty_debug_line_sequence.yaml

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

# CHECK: Verifying .debug_line...
# CHECK: No errors

# In a line table like the one below, with no rows (other than the
# end_sequence), we should never verify the file index because the state
# machine initializes the file index to 1, which is invalid in DWARF 5 due to
# its 0-based indexing.

# file_names[  0]:
#            name: "/home/umb/tests_2018/106_rnglists2"
#       dir_index: 0
# Address            Line   Column File   ISA Discriminator OpIndex Flags
# ------------------ ------ ------ ------ --- ------------- ------- -------------
# 0x0000000000000000      1      0      1   0             0       0  is_stmt end_sequence


--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_EXEC
DWARF:
  debug_abbrev:
    - ID:              0
      Table:
        - Code:            0x1
          Tag:             DW_TAG_compile_unit
          Children:        DW_CHILDREN_no
          Attributes:
            - Attribute:       DW_AT_stmt_list
              Form:            DW_FORM_sec_offset
  debug_info:
    - Length:          0xd
      Version:         5
      UnitType:        DW_UT_compile
      AbbrevTableID:   0
      AbbrOffset:      0x0
      AddrSize:        8
      Entries:
        - AbbrCode:        0x1
          Values:
            - Value:           0x0
Sections:
  - Name:            .debug_line
    Type:            SHT_PROGBITS
    AddressAlign:    0x1
    Content:         300000000500080025000000010101fb0e0d00010101010000000100000101011f010000000002011f020b010000000000000101
  - Name:            .debug_line_str
    Type:            SHT_PROGBITS
    Flags:           [ SHF_MERGE, SHF_STRINGS ]
    AddressAlign:    0x1
    Content:         2F686F6D652F756D622F74657374735F323031382F3130365F726E676C697374733200746573742E63707000