diff -durN binutils-2.20.1.orig/bfd/elf64-ppc.c binutils-2.20.1/bfd/elf64-ppc.c
--- binutils-2.20.1.orig/bfd/elf64-ppc.c	2010-02-03 14:28:25.000000000 +0100
+++ binutils-2.20.1/bfd/elf64-ppc.c	2010-08-17 19:32:04.000000000 +0200
@@ -11991,7 +11991,12 @@
 	      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,