[Bug ipa/59469] [4.8/4.9 Regression] LLVM build failure with gcc LTO

[trippels at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59469

--- Comment #38 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
So maybe the following patch is enough:

diff --git a/gcc/lto/lto-symtab.c b/gcc/lto/lto-symtab.c
index f5f9d1318ee0..bdb536131707 100644
--- a/gcc/lto/lto-symtab.c
+++ b/gcc/lto/lto-symtab.c
@@ -57,7 +57,7 @@ lto_cgraph_replace_node (struct cgraph_node *node,
     }

   /* Merge node flags.  */
-  if (node->force_output)
+  if (node->force_output || node->forced_by_abi)
     cgraph_mark_force_output_node (prevailing_node);
   if (node->address_taken)
     {