[Bug ld/16934] New: gc-sections fails to remove unused C++ member functions

[curaga at operamail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16934

            Bug ID: 16934
           Summary: gc-sections fails to remove unused C++ member
                    functions
           Product: binutils
           Version: 2.23
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: curaga at operamail dot com

Created attachment 7595
  --> https://sourceware.org/bugzilla/attachment.cgi?id=7595&action=edit
Tarball of the testcase.

This is an enhancement request. In ld 2.23.1, gc-sections fails to remove some
unused C++ class members. This is causing binaries linked with static C++ libs
to be megs larger than they could be.

Each function is correctly in a separate section, and is not referenced
anywhere in the app.

Attaching a reduced testcase, and also posting the code as comments.

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