PR ipa/65908
* ipa-icf.c (sem_item::target_supports_symbol_aliases): Remove
construction of arg_types.
(sem_function::sem_function): Likewise.
(sem_function::~sem_function): Remove destruction of arg_types.
(sem_function::compatible_parm_types_p): New function.
(sem_function::equals_wpa): Reorg matching of return values
and parameter types.
(sem_function::equals_private): Reorg mathcing of argument types.
(sem_function::parse_tree_args): Remove.
* ipa-icf.h (init_wpa): Do not call it.
(parse_tree_args): Remove.
(compatible_parm_types_p): Declare.
(result_type): Remove.
(arg_types): Remove.
* testsuite/g++.dg/ipa/pr65908.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224720 138bc75d-0d04-0410-961f-82ee72b054a4