https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65150
--- Comment #2 from howarth at bromo dot med.uc.edu ---
Caused by...
r220875 | jakub | 2015-02-20 11:44:37 -0500 (Fri, 20 Feb 2015) | 8 lines
PR target/63892
* ipa-icf.c (sem_function::merge): If DECL_COMDAT_GROUP (alias->decl),
don't try to create_thunk if stdarg_p. If
!sem_item::target_supports_symbol_aliases_p (), similarly, and try to
redirect_callers if possible.
(sem_item_optimizer::execute): Call unregister_hooks here...
(ipa_icf_driver): ... instead of here.
Could this failure be due to the absence of alias support on darwin?
