https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66295
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
There's one follow-up issue I forgot to fix:
$ gcc pr78419.c -fprofile-generate -O2 -g && ./a.out && gcc -fprofile-use -O2
pr78419.c -fdump-ipa-profile-details
pr78419.c:34:1: internal compiler error: in initialize_node_lattices, at
ipa-cp.c:1151
}
^
0x16cb656 initialize_node_lattices
../../gcc/ipa-cp.c:1151
0x16cb656 ipcp_propagate_stage
../../gcc/ipa-cp.c:3251
0x16cc946 ipcp_driver
../../gcc/ipa-cp.c:4996
0x16cc946 execute
../../gcc/ipa-cp.c:5090
I've got patch for that.