[nix-shell:~/dev/zig/build-release]$ ~/local/llvm10-release/bin/llvm-dwarfdump --debug-line test
test:	file format ELF64-x86-64

.debug_line contents:
debug_line[0x00000000]
Line table prologue:
    total_length: 0x000000b7
         version: 5
    address_size: 8
 seg_select_size: 0
 prologue_length: 0x00000032
 min_inst_length: 1
max_ops_per_inst: 1
 default_is_stmt: 1
       line_base: 1
      line_range: 1
     opcode_base: 13
standard_opcode_lengths[DW_LNS_copy] = 0
standard_opcode_lengths[DW_LNS_advance_pc] = 1
standard_opcode_lengths[DW_LNS_advance_line] = 1
standard_opcode_lengths[DW_LNS_set_file] = 1
standard_opcode_lengths[DW_LNS_set_column] = 1
standard_opcode_lengths[DW_LNS_negate_stmt] = 0
standard_opcode_lengths[DW_LNS_set_basic_block] = 0
standard_opcode_lengths[DW_LNS_const_add_pc] = 0
standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 0
standard_opcode_lengths[DW_LNS_set_prologue_end] = 0
standard_opcode_lengths[DW_LNS_set_epilogue_begin] = 0
standard_opcode_lengths[DW_LNS_set_isa] = 1
include_directories[  0] = "."
file_names[  0]:
           name: "test.zig"
      dir_index: 0
file_names[  1]:
           name: "test.zig"
      dir_index: 0

Address            Line   Column File   ISA Discriminator Flags
------------------ ------ ------ ------ --- ------------- -------------
0x0000000008000000      1      0      1   0             0  is_stmt
0x000000000800000b      1      0      1   0             0  is_stmt prologue_end
0x000000000800000b      2      0      1   0             0  is_stmt
0x000000000800000b      3      0      1   0             0  is_stmt
0x000000000800000b      4      0      1   0             0  is_stmt
0x000000000800000b      6      0      1   0             0  is_stmt
0x0000000008000014     12      0      1   0             0  is_stmt
0x0000000008000015     12      0      1   0             0  is_stmt epilogue_begin
0x0000000008000017     13      0      1   0             0  is_stmt
0x0000000008000017     13      0      1   0             0  is_stmt end_sequence