Contents of the .debug_line section:

dw2-ranges-func-lo-cold.c:
File name                            Line number    Starting address    View
dw2-ranges-func-lo-cold.c                     76               0x73c
dw2-ranges-func-lo-cold.c                     78               0x744
dw2-ranges-func-lo-cold.c                     80               0x748
dw2-ranges-func-lo-cold.c                     82               0x754
dw2-ranges-func-lo-cold.c                     82               0x754       1

dw2-ranges-func-lo-cold.c                     66               0x70c
dw2-ranges-func-lo-cold.c                     68               0x714
dw2-ranges-func-lo-cold.c                     70               0x718
dw2-ranges-func-lo-cold.c                     72               0x730
dw2-ranges-func-lo-cold.c                     73               0x73c
dw2-ranges-func-lo-cold.c                     73               0x73c       1

dw2-ranges-func-lo-cold.c                     62               0x704
dw2-ranges-func-lo-cold.c                     63               0x70c
dw2-ranges-func-lo-cold.c                     63               0x70c       1

dw2-ranges-func-lo-cold.c                     48               0x6e4
dw2-ranges-func-lo-cold.c                     49               0x6ec
dw2-ranges-func-lo-cold.c                     49               0x6ec       1

dw2-ranges-func-lo-cold.c                     52               0x6ec
dw2-ranges-func-lo-cold.c                     54               0x6f4
dw2-ranges-func-lo-cold.c                     56               0x6f8
dw2-ranges-func-lo-cold.c                     57               0x704
dw2-ranges-func-lo-cold.c                     57               0x704       1