[Bug lto/60567] [4.9 Regression] lto1 ICE in add_symbol_to_partition, at lto/lto-partition.c:233 with -fno-use-linker-plugin

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60567

--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
By the C++ FE change, do you mean something like:
--- gcc/cp/method.c.jj    2014-03-27 08:06:11.000000000 +0100
+++ gcc/cp/method.c    2014-04-10 10:59:36.226288999 +0200
@@ -387,6 +387,7 @@ use_thunk (tree thunk_fndecl, bool emit_
   thunk_node = cgraph_add_thunk (funcn, thunk_fndecl, function,
                  this_adjusting, fixed_offset, virtual_value,
                  virtual_offset, alias);
+  thunk_node->forced_by_abi = funcn->forced_by_abi;
   if (DECL_ONE_ONLY (function))
     symtab_add_to_same_comdat_group (thunk_node,
                      funcn);
(which fixes this testcase too, but otherwise untested so far), or say change
cgraph_add_thunk so that it has node->forced_by_abi = decl_node->forced_by_abi;
(also untested).