Internal Program Version: dwz  0.15

dwz optimizes DWARF debugging information contained in ELF shared
libraries and executables for size, by replacing DWARF information
representation with equivalent smaller representation where possible,
and by reducing the amount of duplication using techniques from the
DWARF standard appendix E - creating DW_TAG_partial_unit compilation
units (CUs) for duplicated information and using DW_TAG_imported_unit
to import it into each CU that needs it.

https://sourceware.org/dwz