Fix garbage collection of common symbols for powerpc64

I forgot powerpc64 has its own gc_mark_dynamic_ref.

	PR ld/17615
	* elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref): Don't drop
	ELF_COMMON_DEF syms.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 0300b59f7c77f83387f4d316a227931a02a74c21..cba389e715f2288952ec6bcc13e83550a0bad3d5 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,6 +1,11 @@
 2015-02-11  Alan Modra  <amodra@gmail.com>
 
        Apply from master.
+       2015-01-20  Alan Modra  <amodra@gmail.com>
+       PR ld/17615
+       * elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref): Don't drop
+       ELF_COMMON_DEF syms.
+
        2015-01-19  Alan Modra  <amodra@gmail.com>
        PR 17165
        * elf-bfd.h (ELF_COMMON_DEF_P): Note that this might be true for

diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 88ae80c77cc3bd1515bb6ff830ec49cb633124ae..318f41a0ac2d9c7bc149e73763e2eea8751ec3cf 100644 (file)
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -6232,7 +6232,7 @@ ppc64_elf_gc_mark_dynamic_ref (struct elf_link_hash_entry *h, void *inf)
   if ((eh->elf.root.type == bfd_link_hash_defined
        || eh->elf.root.type == bfd_link_hash_defweak)
       && (eh->elf.ref_dynamic
-         || (eh->elf.def_regular
+         || ((eh->elf.def_regular || ELF_COMMON_DEF_P (&eh->elf))
              && ELF_ST_VISIBILITY (eh->elf.other) != STV_INTERNAL
              && ELF_ST_VISIBILITY (eh->elf.other) != STV_HIDDEN
              && (!info->executable