gold patch committed: Discard R_xxx_NONE relocations with -r

[Ian Lance Taylor]

PR 7091 is about a case in which gold crashes because it can not get
the output symbol index of input symbol 0.  While I don't have an
actual test case for this, this appears to be happening because of
R_386_NONE relocations in the input files.  Those relocations may be
discarded when linking with -r.  I committed this patch to do that.

Ian


2008-12-11  Ian Lance Taylor  <iant@google.com>

	PR 7091
	* target-reloc.h (Default_scan_relocatable_relocs): For each
	function, map r_type == 0 to RELOC_DISCARD.


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