[Bug binutils/30792] New: Rnglists section dump in readelf outputs one rangelist per CU

[sevaa at sprynet dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=30792

            Bug ID: 30792
           Summary: Rnglists section dump in readelf outputs one rangelist
                    per CU
           Product: binutils
           Version: 2.42 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: sevaa at sprynet dot com
  Target Milestone: ---

Created attachment 15082
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15082&action=edit
dwarf_v5ops.so.zip

Followup from #30781.

Run the following with the attached binary:

readelf --debug-dump=Ranges dwarf_v5ops.so.elf

For the first CU in the rnglists section it outputs the range list at 0xc and
moves on to the next CU. Meanwhile, there is a lot of perfectly valid
rangelists remaining in the first CU. To name one, the rangelist at 0x1c is
referenced by the DIE at 0x6afb (DW_TAG_inlined_subroutine inside of
DW_TAG_subroutine for JiPad_AddPoint). The next rnglists-CU at 0x142 also lists
only one rangelist. So does 0x10329, 0x103f1, and 0x105e9.

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