[PATCH]: sparc: Don't output PLT entries/relocs for unref'd STT_GNU_IFUNC in shared objects.

[David Miller]

From: David Miller <davem@davemloft.net>
Date: Thu, 25 Feb 2010 23:40:03 -0800 (PST)

> 
> While testing support for multiarch versions of memset/bzero/memcpy
> in glibc on sparc I noticed a bug in my STT_GNU_IFUNC implementation.
> 
> Even though no references to the symbols occur in the shared object,
> the PLT entries and associated relocations were still being emitted.
> 
> This fixes that bug.
> 
> Ok to commit?

Ping?