[Bug ipa/102067] SEGFAULT in varpool_node::get_constructor during lto1 when optimising or not using debug symbols

["samuelpmish at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102067

Sam Mish <samuelpmish at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |samuelpmish at gmail dot com

--- Comment #22 from Sam Mish <samuelpmish at gmail dot com> ---
I'm hitting an issue similar to this in one of my projects:

gcc-12 (Ubuntu 12.1.0-2ubuntu1~22.04) 12.1.0


When linking with lto on a optimized build, gcc12 is crashing (apologies for
the long link line)

/usr/bin/g++-12 -Wall -Wextra  -pthread -save-temps     -Werror  -Wshadow
-Wdouble-promotion -Wconversion -Wundef -Wnull-dereference -Wold-style-cast 
-O3 -DNDEBUG -rdynamic    -fopenmp -Wl,-Bsymbolic-functions
src/serac/numerics/functional/tests/CMakeFiles/functional_qoi.dir/functional_qoi.cpp.o
-o tests/functional_qoi 
-Wl,-rpath,/home/sam/code/serac_libs_gcc12/gcc-12.1.0/lua-5.3.5-dquw3g42r65n5xisjxjm4qn77ztburb5/lib
 lib/libgtest_main.a  lib/libgtest.a  lib/libserac_state.a  lib/libserac_mesh.a
 lib/libserac_numerics.a  lib/libserac_infrastructure.a  lib/libaxom.a 
/home/sam/code/serac_libs_gcc12/gcc-12.1.0/umpire-2022.03.1-oh5f65jhr3zzxcaa52hbl5v6hokl7ukj/lib/libumpire.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/raja-2022.03.0-ssk34466yhhqwld7szsrmbc65e4c5257/lib/libRAJA.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/camp-2022.03.2-wb6wkruuotyvmioa4ngks4klpoiyxvp4/lib/libcamp.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/hdf5-1.8.21-izgwwdm7ola6qvpco4g5th4ywabgnysx/lib/libhdf5.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/conduit-0.8.4-upcl5uu5zbdtmgvtakiq3j3g7e52ilyu/lib/libconduit_relay_mpi_io.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/conduit-0.8.4-upcl5uu5zbdtmgvtakiq3j3g7e52ilyu/lib/libconduit_relay.a
 -lrt 
/home/sam/code/serac_libs_gcc12/gcc-12.1.0/conduit-0.8.4-upcl5uu5zbdtmgvtakiq3j3g7e52ilyu/lib/libconduit_blueprint_mpi.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/conduit-0.8.4-upcl5uu5zbdtmgvtakiq3j3g7e52ilyu/lib/libconduit_blueprint.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/conduit-0.8.4-upcl5uu5zbdtmgvtakiq3j3g7e52ilyu/lib/libconduit_relay_mpi.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/conduit-0.8.4-upcl5uu5zbdtmgvtakiq3j3g7e52ilyu/lib/libconduit.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/lua-5.3.5-dquw3g42r65n5xisjxjm4qn77ztburb5/lib/liblua.so
 lib/libmfem.a  /usr/lib/gcc/x86_64-linux-gnu/12/libgomp.so 
/home/sam/code/serac_libs_gcc12/gcc-12.1.0/hypre-2.18.2-qjtod2f6fq6gs27xtac52qsogpaomxg5/lib/libHYPRE.a
 /usr/lib/x86_64-linux-gnu/libopenblas.so  -lm  -ldl 
/home/sam/code/serac_libs_gcc12/gcc-12.1.0/superlu-dist-6.1.1-dzfbn5o7xmj4afrbu5bobphtc6uo2cgl/lib/libsuperlu_dist.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/parmetis-4.0.3-basm6qwardrie3ty4shbelvyadmtes3j/lib/libparmetis.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/metis-5.1.0-srkgcb2bm5fwesct5zqa3y6h74jfwcf2/lib/libmetis.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/sundials-5.7.0-jdioj6objpqshembk7pcv32vohhzw2qv/lib/libsundials_nvecserial.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/sundials-5.7.0-jdioj6objpqshembk7pcv32vohhzw2qv/lib/libsundials_nvecparallel.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/sundials-5.7.0-jdioj6objpqshembk7pcv32vohhzw2qv/lib/libsundials_nvecmpiplusx.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/sundials-5.7.0-jdioj6objpqshembk7pcv32vohhzw2qv/lib/libsundials_cvodes.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/sundials-5.7.0-jdioj6objpqshembk7pcv32vohhzw2qv/lib/libsundials_arkode.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/sundials-5.7.0-jdioj6objpqshembk7pcv32vohhzw2qv/lib/libsundials_kinsol.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/netcdf-c-4.7.4-ty2aqukbd6j7uuezhi7s42r7c7qqpynn/lib/libnetcdf.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/hdf5-1.8.21-izgwwdm7ola6qvpco4g5th4ywabgnysx/lib/libhdf5_hl.a

/home/sam/code/serac_libs_gcc12/gcc-12.1.0/hdf5-1.8.21-izgwwdm7ola6qvpco4g5th4ywabgnysx/lib/libhdf5.a
 -lm  -ldl 
/home/sam/code/serac_libs_gcc12/gcc-12.1.0/hdf5-1.8.21-izgwwdm7ola6qvpco4g5th4ywabgnysx/lib/libhdf5.a
 /usr/lib/x86_64-linux-gnu/libz.so  /usr/lib/x86_64-linux-gnu/libmpichcxx.so 
/usr/lib/x86_64-linux-gnu/libmpich.so && :
[build] during IPA pass: icf
[build] lto1: internal compiler error: Segmentation fault
[build] 0xb1f113 crash_signal
[build] ../../src/gcc/toplev.cc:322
[build] 0x7fe21814551f ???
[build] ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0
[build] 0xdda228 varpool_node::get_constructor()
[build] ../../src/gcc/varpool.cc:300
[build] 0x17aea53 ipa_icf::sem_variable::equals(ipa_icf::sem_item*,
hash_map<symtab_node*, ipa_icf::sem_item*,
simple_hashmap_traits<default_hash_traits<symtab_node*>, ipa_icf::sem_item*>
>&)
[build] ../../src/gcc/ipa-icf.cc:1697
[build] 0x17afabe
ipa_icf::sem_item_optimizer::subdivide_classes_by_equality(bool)
[build] ../../src/gcc/ipa-icf.cc:2732
[build] 0x17b7952 ipa_icf::sem_item_optimizer::execute()
[build] ../../src/gcc/ipa-icf.cc:2464
[build] 0x17b91ba ipa_icf_driver
[build] ../../src/gcc/ipa-icf.cc:3600
[build] 0x17b91ba ipa_icf::pass_ipa_icf::execute(function*)
[build] ../../src/gcc/ipa-icf.cc:364