[Bug target/63805] ICE: in extract_insn, at recog.c:2327 with -mcpu=power8

["dimhen at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63805

--- Comment #2 from Dmitry G. Dyachenko <dimhen at gmail dot com> ---
I have similar error in LTO/x86_64, but stack is slightly different.

gcc-trunk r218991, binutils-trunk current

g++ -flto -o xx [6 files]. I'll try to reduce testcase.

TesterTest.cpp:422:1: internal compiler error: in extract_insn, at recog.c:2327
0xb230b8 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
    /home/dimhen/src/gcc_current/gcc/rtl-error.c:110
0xb23148 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
    /home/dimhen/src/gcc_current/gcc/rtl-error.c:118
0xad96f8 extract_insn(rtx_insn*)
    /home/dimhen/src/gcc_current/gcc/recog.c:2327
0xad97a7 extract_insn_cached(rtx_insn*)
    /home/dimhen/src/gcc_current/gcc/recog.c:2218
0x86f8c9 cleanup_subreg_operands(rtx_insn*)
    /home/dimhen/src/gcc_current/gcc/final.c:3124
0xad51b9 split_insn
    /home/dimhen/src/gcc_current/gcc/recog.c:2937
0xadd3ad split_all_insns()
    /home/dimhen/src/gcc_current/gcc/recog.c:2991
0xadd4c8 rest_of_handle_split_after_reload
    /home/dimhen/src/gcc_current/gcc/recog.c:3938
0xadd4c8 execute
    /home/dimhen/src/gcc_current/gcc/recog.c:3967
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lto-wrapper: fatal error: g++ returned 1 exit status
compilation terminated.
/usr/local/binutils_current/bin/ld: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status