[Bug ld/15056] gld 2.23.1 mishandles R_SPARC_TLS_LDM_CALL

[amodra at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15056

--- Comment #9 from Alan Modra <amodra at gmail dot com> 2013-01-30 12:57:20 
UTC ---
The question then is "Why didn't _bfd_elf_gc_mark_rsec mark __tls_get_addr?" 
_bfd_elf_gc_mark_rsec ought to be called for every relocation in kept sections
of libstdc++.so, and so set h->mark for __tls_get_addr.  Answering my own
question, I guess this is because one or more SPARC relocs reference
__tls_get_addr *implicitly*, R_SPARC_TLS_LDM_CALL and R_SPARC_TLS_GD_CALL by
the look of it.  _bfd_sparc_elf_gc_mark_hook will need to do the marking.  I'm
sure you or David can throw together a patch to fix this.  If not, I'll hack on
it myself tomorrow.

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