[Bug 245382] Now port: devel/dwz DWARF optimization and duplicate removal tool

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=245382

            Bug ID: 245382
           Summary: Now port: devel/dwz DWARF optimization and duplicate
                    removal tool
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs at FreeBSD.org
          Reporter: bcallah at openbsd.org
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Created attachment 213104
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=213104&action=edit
dwz port shar

Included here is a shar for a new port, devel/dwz. dwz is a program that
attempts to optimize DWARF debugging information contained in ELF shared
libraries and ELF executables for size, by replacing DWARF information
representation with equivalent smaller representation where possible and by
reducing the amount of duplication using techniques from 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.

This is a port of the OpenBSD port of dwz.

Let me know if there's anything else I need to do.

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