[PATCH] Fix ld segv when asked to relocate based on local symboles

[Julien LEMOINE]

This patch fix ld segv. With patch, ld fail with an assertion.
full bug report is available at :
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=126150

Best Regards.
-- 
Julien LEMOINE / SpeedBlue
-------------- next part --------------
diff -bBdNrw -U5 binutils-2.13.90.0.18.orig/bfd/elflink.h binutils-2.13.90.0.18/bfd/elflink.h
--- binutils-2.13.90.0.18.orig/bfd/elflink.h	2003-01-21 19:21:32.000000000 +0100
+++ binutils-2.13.90.0.18/bfd/elflink.h	2003-04-16 22:22:10.000000000 +0200
@@ -6877,18 +6877,19 @@
 			 reloc to point to the global hash table entry
 			 for this symbol.  The symbol index is then
 			 set at the end of elf_bfd_final_link.  */
 		      indx = r_symndx - extsymoff;
 		      rh = elf_sym_hashes (input_bfd)[indx];
-		      while (rh->root.type == bfd_link_hash_indirect
-			     || rh->root.type == bfd_link_hash_warning)
+		      while (rh && (rh->root.type == bfd_link_hash_indirect
+				    || rh->root.type == bfd_link_hash_warning))
 			rh = (struct elf_link_hash_entry *) rh->root.u.i.link;
 
 		      /* Setting the index to -2 tells
 			 elf_link_output_extsym that this symbol is
 			 used by a reloc.  */
-		      BFD_ASSERT (rh->indx < 0);
+		      BFD_ASSERT (rh && rh->indx < 0);
+		      if (rh)
 		      rh->indx = -2;
 
 		      *rel_hash = rh;
 
 		      continue;