[Bug middle-end/85383] New: [8 regression] many ICE failures at gcc/toplev.c:325 starting with r259346

["seurer at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85383

            Bug ID: 85383
           Summary: [8 regression] many ICE failures at gcc/toplev.c:325
                    starting with r259346
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

See this on powerpc64 both LE and BE.

One example:

spawn -ignore SIGHUP
/home/seurer/gcc/build/gcc-test2/gcc/testsuite/g++/../../xg++
-B/home/seurer/gcc/build/gcc-test2/gcc/testsuite/g++/../../
/home/seurer/gcc/gcc-test2/gcc/testsuite/g++.dg/torture/covariant-1.C
-fno-diagnostics-show-caret -fdiagnostics-color=never -nostdinc++
-I/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/libstdc++-v3/include/powerpc64-unknown-linux-gnu
-I/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/gcc-test2/libstdc++-v3/libsupc++
-I/home/seurer/gcc/gcc-test2/libstdc++-v3/include/backward
-I/home/seurer/gcc/gcc-test2/libstdc++-v3/testsuite/util -fmessage-length=0 -O2
-flto -fno-use-linker-plugin -flto-partition=none
-L/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libstdc++-v3/src/.libs
-B/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libstdc++-v3/src/.libs
-L/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libstdc++-v3/src/.libs
-B/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libitm/
-L/home/seurer/gcc/build/gcc-test2/powerpc64-unknown-linux-gnu/./libitm/.libs
-lm -o ./covariant-1.exe
during IPA pass: pure-const
/home/seurer/gcc/gcc-test2/gcc/testsuite/g++.dg/torture/covariant-1.C:33:1:
internal compiler error: Segmentation fault
0x10c0b7cb crash_signal
        /home/seurer/gcc/gcc-test2/gcc/toplev.c:325
0x10a00288 loop_optimizer_init(unsigned int)
        /home/seurer/gcc/gcc-test2/gcc/loop-init.c:88
0x10a6408f output_function
        /home/seurer/gcc/gcc-test2/gcc/lto-streamer-out.c:2088
0x10a6408f lto_output()
        /home/seurer/gcc/gcc-test2/gcc/lto-streamer-out.c:2423
0x10aee8b3 write_lto
        /home/seurer/gcc/gcc-test2/gcc/passes.c:2610
0x10af4117 ipa_write_summaries_1
        /home/seurer/gcc/gcc-test2/gcc/passes.c:2674
0x10af4117 ipa_write_summaries()
        /home/seurer/gcc/gcc-test2/gcc/passes.c:2734
0x106b785b ipa_passes
        /home/seurer/gcc/gcc-test2/gcc/cgraphunit.c:2468
0x106b785b symbol_table::compile()
        /home/seurer/gcc/gcc-test2/gcc/cgraphunit.c:2558
0x106ba78f symbol_table::compile()
        /home/seurer/gcc/gcc-test2/gcc/cgraphunit.c:2537
0x106ba78f symbol_table::finalize_compilation_unit()
        /home/seurer/gcc/gcc-test2/gcc/cgraphunit.c:2717

List of failures:

> FAIL: g++.dg/ipa/pr46984.C  -std=gnu++11 (internal compiler error)
> FAIL: g++.dg/ipa/pr46984.C  -std=gnu++11 (test for excess errors)
> FAIL: g++.dg/ipa/pr46984.C  -std=gnu++14 (internal compiler error)
> FAIL: g++.dg/ipa/pr46984.C  -std=gnu++14 (test for excess errors)
> FAIL: g++.dg/ipa/pr46984.C  -std=gnu++98 (internal compiler error)
> FAIL: g++.dg/ipa/pr46984.C  -std=gnu++98 (test for excess errors)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O2 -flto -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O2 -flto -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081219 cp_lto_20081219_0.o assemble, -fPIC -flto -flto-partition=1to1 -O2 (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O2 -flto -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/pr60567 cp_lto_pr60567_0.o assemble,  -flto -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/pr64076 cp_lto_pr64076_0.o assemble, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin  (internal compiler error)
> FAIL: g++.dg/lto/pr64076 cp_lto_pr64076_0.o assemble, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/pr64076 cp_lto_pr64076_0.o assemble, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/lto/pr69133 cp_lto_pr69133_1.o assemble,  -flto -O2  (internal compiler error)
> FAIL: g++.dg/lto/pr82027 cp_lto_pr82027_0.o assemble,  -O3 -flto  (internal compiler error)
> FAIL: g++.dg/torture/covariant-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/covariant-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/covariant-1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/covariant-1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr41257.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr41257.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr41257.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr41257.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr43068.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr43068.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr43068.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr43068.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr45699.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr45699.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr45699.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr45699.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr46287.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr46287.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr46287.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr46287.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr48661.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr48661.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr48661.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr48661.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O0  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O0  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O1  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O1  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O2  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O2  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -O3 -g  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -O3 -g  (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C   -Os  (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C   -Os  (test for excess errors)
> FAIL: g++.dg/torture/pr58201_0.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr58201_0.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr58201_0.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr58201_0.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr58201_1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr58201_1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr58201_1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr58201_1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr58252.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr58252.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr58252.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr58252.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr58585.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr58585.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr58585.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr58585.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr59226.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr59226.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr59226.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr59226.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr60871.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr60871.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr60871.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr60871.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr64988.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr64988.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr64988.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr64988.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr68184.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr68184.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr68184.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr68184.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr71571.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr71571.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr71571.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr71571.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr78692.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr78692.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr78692.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr78692.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr81812.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr81812.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr81812.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr81812.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/torture/pr83619.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/torture/pr83619.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/torture/pr83619.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/torture/pr83619.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/pr64632.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/pr64632.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/pr64632.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/pr64632.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/pr65000.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/pr65000.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/pr65000.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/pr65000.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/pr70147-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/pr70147-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/pr70147-1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/pr70147-1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-1.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-1.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-10.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-10.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-10.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-10.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-11.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-11.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-11.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-11.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-2.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-2.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-2.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-2.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-3.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-3.C   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-3.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-3.C   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)