* ipa-cp.c (ipa_get_indirect_edge_target_1): Add sanity check
for ipa-devirt.
* ipa-utils.h (possible_polymorphic_call_target_p): New function.
* ipa-devirt.c (possible_polymorphic_call_target_p): Be tolerant
of external calls
* gimple-fold.c: Include ipa-utils.h and gimple-pretty-print.h
(gimple_fold_call): Dump inconsistent devirtualizations; add
sanity check for type based devirtualizations.
* ipa-prop.c: Include ipa-utils.h
(ipa_intraprocedural_devirtualization): Add sanity check.
(try_make_edge_direct_virtual_call): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202837
138bc75d-0d04-0410-961f-
82ee72b054a4