--- a/bfd/elf64-ppc.c	2012-09-11 12:13:00.637448573 +0100

+++ b/bfd/elf64-ppc.c	2012-09-11 12:13:17.922449052 +0100

@@ -13523,6 +13523,9 @@

 		{

 		  BFD_ASSERT (h->elf.dynindx != -1);

 		  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

 		{