https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63253
--- Comment #2 from Andi Kleen <andi-gcc at firstfloor dot org> ---
I still need to revert this commit to be able to bootstrap. With that it works.
commit d585ba22a6b4250b0d819d3d7da72f7dd37e2981
Author: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu Sep 11 23:16:42 2014 +0000
* common.opt (flto-odr-type-merging): New flag.
* ipa-deivrt.c (hash_type_name): Use ODR names for hasing if availale.
(types_same_for_odr): Likewise.
(odr_subtypes_equivalent_p): Likewise.
(add_type_duplicate): Do not walk type variants.
(register_odr_type): New function.
* ipa-utils.h (register_odr_type): Declare.
(odr_type_p): New function.
* langhooks.c (lhd_set_decl_assembler_name): Do
