https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273
--- Comment #8 from Xiong Hu XS Luo <luoxhu at cn dot ibm.com> ---
SPEC2017 case 507.cactuBSSN_r, also has ICE failure from r273571:
lto1: internal compiler error: in warn_types_mismatch, at ipa-devirt.c:995
0x105dad1f warn_types_mismatch(tree_node*, tree_node*, unsigned int, unsigned
int)
/home/gcc/gcc-10-trunk-2019-08-16/gcc/ipa-devirt.c:995
0x101dd147 lto_symtab_merge_decls_2
/home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-symtab.c:723
0x101dd147 lto_symtab_merge_decls_1
/home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-symtab.c:862
0x101dd147 lto_symtab_merge_decls()
/home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-symtab.c:888
0x101f2e47 read_cgraph_and_symbols(unsigned int, char const**)
/home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-common.c:2839
0x101c7def lto_main()
Compiler options used: "-O3 -mcpu=power9 -flto"
