--- ../binutils-2.20.51.0.2.orig/bfd/elf64-ppc.c	2009-10-12 11:28:45.000000000 +0100
+++ bfd/elf64-ppc.c	2009-10-12 11:34:17.000000000 +0100
@@ -11992,7 +11992,12 @@ ppc64_elf_relocate_section (bfd *output_
 	      else if (!SYMBOL_REFERENCES_LOCAL (info, &h->elf)
 		       && !is_opd
 		       && r_type != R_PPC64_TOC)
-		outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+		{
+		  outrel.r_info = ELF64_R_INFO (h->elf.dynindx, r_type);
+		  if (h->elf.dynindx == -1
+		      && h->elf.root.type == bfd_link_hash_undefweak)
+		    memset (&outrel, 0, sizeof outrel);
+		}
 	      else
 		{
 		  /* This symbol is local, or marked to become local,